Publikationen
2024
Oscillator-Based Optimization: Design, Emulation, and Implementation
Al Beattie, B., Noll, M., Kohlstedt, H. & Ochs, K.
The European Physical Journal B: 97, 7 (2024)
Ferroelectric Size Effects on Statics and Dynamics of Domain Wall
Somnath Kale
Small 2024,20,2303880 (2024)
Criticality in FitzHugh-Nagumo oscillator ensembles: Design, robustness, and spatial invariance. Commun Phys 7, 46 (2024)
Al Beattie, B., Feketa, P., Ochs, K. & Kohlstedt, H.
Commun Phys 7, 46 (2024)
2023
Bio-Inspired Information Pathways - From Neuroscience to Neurotronics (Book)
Ziegler, M., Mussenbrock, T., Kohlstedt, H. (Eds.)
Springer Series on Bio- and Neurosystems: doi.org/10.1007/978-3-031-36705-2 (2023)
Pathways towards truly brain-like computing primitives
Terasa, M.-I., Birkoben, T., Noll, M., Adejube, B., Madurawala, R., Carstens, N., Strunskus, T., Kaps, S., Faupel, F., Vahl, A., Kohlstedt, H. & Adelung, R.
Materials Today, in press: doi.org/10.1016/j.mattod.2023.07.019. (2023)
In-Grain Ferroelectric Switching in Sub-5 nm ThinAl0.74Sc0.26N Films at 1 V
Schönweger, G., Wolff, N., Islam, M.R., Gremmel, M., Petraru, A., Kienle, L., Kohlstedt. H. & Fichtner, S.
Advanced Science 10: 2302296 (2023)
Trap-Assisted Memristive Switching in HfO2-Based Devices Studied by In Situ Soft and Hard X-Ray Photoelectron Spectroscopy
Zahari, F., Marquardt, R., Kalläne, M., Gronenberg, O., Schlueter, C., Matveyev, Y., Haberfehlner, G., Diekmann, F., Nierhauve, A., Buck, J., Hanff, A., Kolhatkar, G., Kothleitner, G., Kienle, L., Ziegler, M., Carstensen, J., Rossnagel, K. & Kohlstedt, H.
Advanced Electronic Materials 2201226 (2023)
Impedance Spectroscopy on Hafnium Oxide-Based Memristive Devices
Marquardt, R., Zahari, F., Carstensen, J., Popkirov, G., Gronenberg, O., Kolhatkar, G., Kohlstedt, H. & Ziegler, M.
Advanced Electronic Materials 2201227 (2023)
Ferroelectric Size Effects on Statics and Dynamics of Domain Wall
Kale, S., Petraru, A., Kohlstedt, H. & Soni, R.
Small, doi: 10.1002/smll.202303880 (2023)
Domain Wall Movement in Undoped Ferroelectric HfO2: A Rayleigh Analysis
Richard Marquardt, Deik Petersen, Ole Gronenberg, Finn Zahari, Rouven Lamprecht, George Popkirov, Jurgen Carstensen, Lorenz Kienle, Hermann Kohlstedt
ACS Applied Electronic Materials, el-2023-003369 (10.1021/acsaelm.3c00336) (2023)
Artificial homeostatic temperature regulation via bio-inspired feedback mechanisms
Petro Feketa, Tom Birkoben, Maximiliane Noll, Alexander Schaum, Thomas Meurer & Hermann Kohlstedt
Scientific Reports volume 13, Article number: 5003 (2023)
2022
Ultrathin Al1−xScxN for Low-Voltage-Driven Ferroelectric-Based Devices
Georg Schönweger, Md Redwanul Islam, Niklas Wolff, Adrian Petraru, Lorenz Kienle, Hermann Kohlstedt, Simon Fichtner
30 September 2022 - https://doi.org/10.1002/pssr.202200312
Stochastic behavior of an interface-based memristive device
Sahitya Yarragolla, Torben Hemke,Jan Trieschmann, Finn Zahari, Hermann Kohlstedt, Thomas Mussenbrock
Journal of Applied Physics 131, 134304 (2022); https://doi.org/10.1063/5.0084085
Digging deeper: Buried layers and interfaces studied by modified total electron yield and soft x-ray absorption spectroscopy
E. Kröger, A. Petraru, A. Hanff, R. Soni, M. Kalläne, J. D. Denlinger, T. Learmonth, J.-H. Guo, K. E. Smith, T. Schneller, B. Freelon, L. Kipp, H. Kohlstedt, K. Rossnagel and G. Kolhatkar
Appl. Phys. Lett. 120, 181601 (2022); https://doi.org/10.1063/5.0080289
Matter & Mind Matter
T Birkoben, H Kohlstedt
arXiv preprint arXiv:2204.12774 (2022)
Electrically Controlled Reversible Polarization Fatigue–Recovery in Ferroelectric Thin Film Capacitors
S Kale, A Petraru, H Kohlstedt, R Soni
ACS Applied Electronic Materials 4 (4), 1692-1702 (2022)
From Fully Strained to Relaxed: Epitaxial Ferroelectric Al1‐xScxN for III‐N Technology
G Schönweger, A Petraru, MR Islam, N Wolff, B Haas, A Hammud, C Koch
Advanced Functional Materials, 210963 (2022)
Correlation between properties of direct current magnetron sputtered thin niobium nitride films and plasma parameters
R Marquardt, J Cipo, F Schlichting, G Kolhatkar, H Kohlstedt, H Kersten
Thin Solid Films 742, 139046 (2022)
2021
A CMOS Integrated Low-Power, Ultra-Low-Frequency Relaxation Oscillator for Neuromorphic Applications
Xiaoyan Cheng; Tom Birkoben; Hermann Kohlstedt; Andreas Bahr
IEEE Xplore (2021) 978-1-6654-2461-5/21
On the exceptional temperature stability of ferroelectric Al1-xScxN thin films
Md. Redwanul Islam1, Niklas Wolff, Mohamed Yassine, Georg Schönweger, Björn Christian, Hermann Kohlstedt, Oliver Ambacher, Fabian Lofink, Lorenz Kienle and Simon Fichtner
Appl. Phys. Lett. 118, 232905 (2021); https://doi.org/10.1063/5.0053649
Soft x-ray imaging spectroscopy with micrometer resolution
Jan O. Schunck, Florian Döring, Benedikt Rösner, Jens Buck, Robin Y. Engel, Piter S. Miedema, Sanjoy K. Mahatha,
Moritz Hoesch, Adrian Petraru, Hermann Kohlstedt, Christian Schüssler-Langeheine, Kai Rossnagel, Christian David, and Martin Beye
Optica Vol. 8, Issue 2, pp. 156-160 (2021)
2020
Neuromorphic on-chip recognition of saliva samples of COPD and healthy controls using memristive devices
Pouya Soltani Zarrin, Finn Zahari, Mamathamba K. Mahadevaiah, Eduardo Perez, Hermann Kohlstedt & Christian Wenger
Scientific Reports volume 10, Article number: 19742 (2020)
A spiking and adapting tactile sensor for neuromorphic applications
Tom Birkoben, Henning Winterfeld, Simon Fichtner, Adrian Petraru & Hermann Kohlstedt
Scientific Reports volume 10, Article number: 17260 (2020)
Slow–Fast Dynamics in a Chaotic System with Strongly Asymmetric Memristive Element
Birkoben, T., Drangmeister, M., Zahari, F., Yanchuk, S., Hövel, P., Kohlstedt, H.
International Journal of Bifurcation and Chaos 30(8): 2050125 (2020)
Diagnostics of process plasma used for the production of memristive devices
Cipo, J., Schlichting, F., Zahari, F., Gauter, S., Kohlstedt, H., Kersten, H.
JPCS 1492 (2020)
Analogue pattern recognition with stochastic switching binary CMOS-integrated memristive devices
Zahari, F., Pérez, E., Mahadevaiah, M.K., Kohlstedt, H., Wenger, Ch., Ziegler, M.
Sci. Rep. 10:14450 (2020)
2019
Correlation between sputter deposition parameters and I-V characteristics in double-barrier memristive devices
Zahari, F., Schlichting, F., Strobel, J., Dirkmann, S., Cipo, J., Gauter, S., Trieschmann, J., Marquardt, R., Haberfehlner, G., Kothleitner, G., Kienle, L., Mussenbrock, T., Ziegler, M., Kersten, H., Kohlstedt, H.
Journal of Vacuum Science & Technology B 37, 061203 (2019)
Characterization of VO2/ferroelectric thin film heterostructures deposited on various complex oxide single crystal substrates
Petraru, A., Droopad, R., Kohlstedt, H.
Journal of Vacuum Science & Technology A 37, 021514 (2019)
Inherent stochastic learning in CMOS integrated HfO2 arrays for neuromorphic computing
Wenger, Ch., Zahari,F., Mahadevaiah, M. K., Perez, E., Beckers, I., Kohlstedt, H., Ziegler, M.
IEEE Electron Device Letters 40(4) (2019)
A stress sensor based on a silicon field effect transistor comprising a piezoelectric AlN gate dielectric
Winterfeld, H., Thormählen, L., Lewitz, H., Yarar, E., Birkoben, T., Niethe, N., Preinl, N., Hanssen, H., Quandt, E., Kohlstedt, H.
J Mater Sci: Mater Electron (2019)
Reliability of CMOS Integrated Memristive HfO2 Arrays with Respect to Neuromorphic Computing
Mahadevaiah, M. K, Perez, E., Wenger, Ch., Grossi, A., Zambelli, C., Olivo, P., Zahari, F., Kohlstedt, H., Ziegler, M.
IEEE International Reliability Physics Symposium (IRPS) (2019)
2018
Mechanisms of electron transport in BaTiO3 ultrathin epitaxial films in the temperature range 40 K–295 K
Andreeva, N.V., Petrov, A. A., Petraru, A., Petukhov, E., Rybkin, A.G.
Materials Research Express, Volume 6, Number 2 (2018)
Technology and electrical characterization of MemFlash cells for neuromorphic applications
Winterfeld, H., Ziegler, M., Hanssen, H., Friedrich, D., Benecke, W., Kohlstedt, H.
Journal of Physics D: Applied Physics 51 (32), 324003 (2018)
Unsupervised Hebbian learning experimentally realized with analogue memristive crossbar arrays
Hansen, M., Zahari, F., Kohlstedt, H., Ziegler, M.
Scientific reports 8 (1) pp. 8914 (2018)
A memristive plasticity model of voltage-based STDP suitable for recurrent bidirectional neural networks in the hippocampus
Diederich, N., Bartsch, T., Kohlstedt, H., Ziegler, M.
Scientific Reports (nature Publisher Group) 8, pp. 1-12 (2018)
Integration of Double Barrier Memristor Die with Neuron ASIC for Neuromorphic Hardware Learning
Ranjan, R., Hansen, M., Ponce, P. M., Saleh, A., Schroeder, D., Ziegler, M., Kohlstedt, H., Krautschneider, W.
IEEE International Symposium on Circuits and systems (ISCAS), pp. 1 - 5 (2018)
Tutorial: Concepts for closely mimicking biological learning with memristive devices: Principles to emulate cellular forms of learning
Ziegler, M., Wenger, Ch., Chicca, E., Kohlstedt, H.
Journal of Applied Physics 124, 152003 (2018)
2017
Memristive stochastic plasticity enables mimicking of neural synchrony: Memristive circuit emulates an optical illusion
Ignatov, M; Ziegler M.; Hansen, M.; Ziegler M.; Kohlstedt H.
Science Advances Vol. 3, no. 10, e1700849 (2017)
Coexistence of tunneling magnetoresistance and Josephson effects in
SFIFS junctions
Vávra,O., Soni,R., Petraru, A., Himmel, N., Vávra, I., Fabian, J., Kohlstedt, H.
and Strunk, Ch.
AIP Advances 7, 025008 (2017)
Double-Barrier Memristive Devices for Unsupervised Learning and Pattern Recognition
Hansen, M.; Zahari, F.; Ziegler M.; Kohlstedt H.
Front. Neurosci. 11:91 (2017)
Memristive device based on a depletion-type SONOS field effect transistor
Himmel, N., Ziegler, M., Mähne, H., Thiem, S., Winterfeld, H., Kohlstedt, H.
Semicond. Sci. Technol. (2017)
An enhanced lumped element electrical model of a double barrier memristive device
Solan, E., Dirkmann, S., Hansen, M., Schroeder, D., Kohlstedt, H., Ziegler, M., Thomas Mussenbrock, Ochs, K.
J. Phys. D: Appl. Phys. 50, 195102 (2017)
In depth nano spectroscopic analysis on homogeneously switching double barrier memristive devices
Strobel, J., Hansen, M., Dirkmann, S., Neelisetty, K. K., Ziegler, M., Haberfehlner, G., Popescu, R., Kothleitner, G., Chakravadhanula, V. S. K., Kübel, C., Kohlstedt, H., Mussenbrock, T., Kienle, L.
arXiv preprint arXiv:1703.06741 (2017)
Identifying and overcoming the interface originating c-axis instability in highly Sc enhanced AlN for piezoelectric micro-electromechanical systems
Fichtner, S., Wolff, N., Krishnamurthy, G., Petraru, A., Bohse, S., Lofink, F., Chemnitz, S., Kohlstedt, H., Kienle, L., Wagner, B.
J. Appl. Phys. 122, 035301 (2017)
Anticipation of digital patterns
Ochs, K. H., Ziegler, M., Hernandez-Guevara, E., Solan, E., Ignatov, M., Hansen, M., Gill, M. S., Kohlstedt, H.
International Journal of Circuit Theory and Applications 46 (2), pp. 235-243 (2017)
2016
Complementary Floating Gate Transistors with Memristive Operation Mode
Ziegler, M., Günther, R., and Kohlstedt, H.
IEEE Electron Device Letters 37: 186-189 (2016)
Synchronization of two memristively coupled van der Pol oscillators
Ignatov, M., Hansen, M., Ziegler, M., and Kohlstedt, H.
Appl. Phys. Lett. 108, 084105 (2016)
Polarity-tunable spin transport in all-oxide multiferroic tunnel junctions
Soni, R., Petraru, A., Nair, H.S., Vavra, O., Ziegler, M., Kim, S.K., Jeong, D.S., Kohlstedt, H. Nanoscale 8, 10799-10805 (2016)
Phase retrapping in a ϕ Josephson junction: Onset of the butterfly effect
R. Menditto, H. Sickinger, M. Weides, H. Kohlstedt, M. Žonda, T. Novotný, D. Koelle, R. Kleiner, and E. Goldobin
Phys. Rev. B 93, 174506 (2016)
In situ hard x-ray photoemission spectroscopy of barrier-height control at metal/PMN-PT interfaces
Kröger, E.; Petraru, A.; Quer, A.; Soni, R.; Kalläne, M.; Pertsev, N. A.; Kohlstedt, H.; K. Rossnagel, K.
Phys. Rev. B 93, 235415 (2016)
The role of ion transport phenomena in memristive double barrier devices
Dirkmann, S., Hansen, M., Ziegler M., Kohlstedt H., Mussenbrock, T.
Sci. Rep. 6: 35686 (2016)
Double barrier memristive devices for neuromorphic computing
Hansen, M., Ziegler M., and Kohlstedt, H.
IEEE ICRC 2016 (2016)
Tunable phi Josephson junction ratchet
Menditto,R., H. Sickinger, H., M. Weides,M., H. Kohlstedt, H., D. Koelle, D.,R. Kleiner, R., Goldobin, E.
Phys. Rev. E 94, 042202(2016)
2015
Observation of 0–π transition in SIsFS Josephson junctions
Ruppelt,N., Sickinger, H., Menditto, R., Goldobin, E., Koelle, D., Kleiner, R., Vavra, O., Kohlstedt, H.
Appl. Phys. Lett. 106, 022602 (2015)
Memristive Hebbian Plasticity Model: Device Requirements for the Emulation of Hebbian Plasticity Based on Memristive Device
Ziegler, M., Riggert, C., Hansen, M., Bartsch, T., Kohlstedt, H.
IEEE TBio CAS 9: 197-206 (2015)
Pattern recognition with TiOx-based memristive devices
Zahari, F., Hansen, M., Mussenbrock, T., Ziegler, M., and Kohlstedt, H.
AIMS Materials Science 2: 203-216 (2015)
A memristive spiking neuron with firing rate coding
Ignatov M, Ziegler M, Hansen M, Petraru A and Kohlstedt H
Front. Neurosci. 9:376. doi: 10.3389/fnins.2015.00376 (2015)
A double barrier memristive device
M. Hansen, M. Ziegler, L. Kolberg, R. Soni, S. Dirkmann, T. Mussenbrock, and H. Kohlstedt
Scientific Reports, vol. 5, p. 13753 (2015)
Kinetic simulation of filament growth dynamics in memristive electrochemical metallization devices
Dirkmann,S., Ziegler, M., Hansen, M., Kohlstedt, H., Trieschmann, J., and Mussenbrock, T.
J. Appl. Phys. 118, 214501 (2015)
2014
Combinatorial sputtering in planetary type systems for alloy libraries with perpendicular gradients of layer thickness and composition realised by a timing approach
N. Ruppelt, O. Vavra, H. Sickinger, E. Goldobin, D. Koelle, R. Kleiner, und H. Kohlstedt
Appl. Phys. A 116, 229–232 (2014)
Giant electrode effect on tunneling electroresistance in ferroelectric tunnel junctions
R. Soni, A. Petraru, P. Meuffels, O. Vavra, M. Ziegler, S. K. Kim, D. S. Jeong, N. A. Pertsev, H. Kohlstedt
Nature Communications 5, 5414 (2014)
Voltage controlled biaxial strain in VO2 films grown on 0.72Pb(Mg1∕3Nb2∕3)-0.28PbTiO3 crystals and its effect on the transition
A. Petraru, R. Soni and H. Kohlstedt
Appl. Phys. Lett. 105, 092902 (2014)
An electronic implementation of amoeba anticipation
Ziegler, M; Ochs, K.; Hansen, M; Kohlstedt, H.
Appl. Phys. A 114, , Issue 2, pp 565-570 (2014)
MemFlash device: floating gate transistors as memristive devices for neuromorphic computing
Riggert, C., Ziegler, M., Schröder, D., Krautschneider, W.H., Kohlstedt, H.
Semicond. Sci. Technol. 29, 104011 (2014)
Building
memristive neurons and synapses
Ziegler, M.; Hansen, M.; Ignatov, M.; Kohlstedt, H.
IEEE International Symposium on
Circuits and Systems (ISCAS) 1066, 1069 (2014)
Resistive switching in lateral juctions with nanometer separated electrodes
Ziegler, M., Harnack, O., Kohlstedt, H.
Solid-State Electronics Volume: 92, p. 24 - 27 (2014)
Ferroelectric-ferromagnetic multilayers: A magnetoelectric heterostructure with high
output charge signal
S. Prokhorenko, H. Kohlstedt, and N. A. Pertsev
Journal of Applied Physics 116, 114107 (2014)
2013
Combinatorial sputtering in planetary type systems for alloy libraries with perpendicular gradients of layer thickness and composition realised by a timing approach
Ruppelt, N., Vavra, O., Sickinger, H., Goldobin, E., Koelle, D., Kleiner, R., Kohlstedt H.
Applied Physics A 116, Issue 1, pp 229-232
Mimic synaptic behavior with a single floating gate transistor: A MemFlash synapse
Ziegler, M., Kohlstedt, H.
J. Appl. Phys. Volume:114 Issue:19
Bipolar
switching polarity reversal by electrolyte layer sequence in
electrochemical metallization cells with dual-layer solid electrolytes
Soni, R., Meuffels, P., Adrian Petraru, Hansen, M., Ziegler, M., Vavra, O., Hermann Kohlstedt, H., Seok, D. S.Jeong, D. S.
Nanoscale 12598-12606, doi. 10.1039/C3NR03993E
Memory cell based on a phi Josephson junction
Goldobin, E ; Sickinger, H ; Weides, M ; Ruppelt, N ; Kohlstedt, H ; Kleiner, R ; Koelle, D.
Appl. Phys. Lett. Volume: 102 Issue: 24
Rate
limiting step for the switching kinetics in Cu doped Ge0.3Se0.7 based
memory devices with symmetrical and asymmetrical electrodes
Soni, R.,Meuffels, P., Petraru, A., Vavra, O., Kohlstedt, H.
J. Appl. Phys. Volume: 113 Issue: 12
Towards artificial neurons and synapses: a materials point of view
Jeong, Doo Seok; Kim, Inho; Ziegler, Martin; Kohlstedt, H..
RSC Adv. Volume: 3 Issue: 10 Pages: 3169-3183
An electronic implementation of amoeba anticipation
Ziegler, M; Ochs, K.; Hansen, M; Kohlstedt, H.
Appl. Phys. A, DOI:10.1007/s00339-013-7615-5
Full field electron spectromicroscopy applied to ferroelectric materials
Barrett,
N.; Rault, J. E.; Wang, J. L.; Mathieu, C., Locatelli, A., Mentes, T.
O., Nino, M. A., Fusil, S., Bibes, M., Barthelemy, A., Sando, D., Ren,
W., Prosandeev, S., Bellaiche, L., Vilquin, B., Petraru, A., Krug, I.
P., Schneider, C. M.
J. Appl. Pys. Volume: 113 Issue: 18 Article Number: 187217
2012
Memristive operation mode of floating gate transistors: A two-terminal MemFlash-cell
Ziegler, M.; Oberlaender, M.; Schroeder, D.; et al.
Appl. Phys. Lett. Volume: 101 Issue: 26
Magnetoresistive Memory with Ultralow Critical Current for Magnetization Switching
Pertsev, Nikolay A.; Kohlstedt, Hermann
Adv. Func. Mat. Volume: 22 Issue: 22 Pages: 4696-4703
Experimental evidence of a phi Josephson junction
Sickinger, H; Lipman, A; Weides, M; et al.
Phys. Rev. Lett. Volume: 109 Issue: 10 Pages: 107002
Emerging memories: resistive switching mechanisms and current status
Jeong, Doo Seok; Thomas, Reji; Katiyar, R S; et al.
Rep. Prog. Phys. Volume: 75 Issue: 7 Pages: 076502
Resistive switching phenomena in thin films: Materials, devices, and applications
Strukov, D. B.; Kohlstedt, H.
MRS Bullettin Volume: 37 Issue: 2 Pages: 108-117
An electronic version of Pavlov's dog
M. Ziegler, R. Soni, T. Patelczyk, M. Ignatow, T. Bartsch, P. Meuffels, H. Kohlstedt
Adv. Func. Mat. 143">Volume: 22 Issue: 13 Pages: 2744-2749
UV capillary force lithography for multiscale structures
M. Hansen, M. Ziegler, H. Kohlstedt, A. Pradana, M. Rädler, M. Gerken
J. Vac. Sci. Technol. B 30(3)
Tunneling magnetoresistance and electroresistance properties of composite-barrier ferroelectric tunnel junctions
Petraru, A., Soni, R., Kohlstedt, H.
Phys. Sta. Sol.-Rap. Res. Lett. Volume: 6 Issue: 3 Pages: 138-140
2011
Pt/Ti/Al(2)O(3)/Al tunnel junctions exhibiting electroforming-free bipolar resistive switching behavior
Jeong Doo Seok; Cheong Byung-ki; Kohlstedt Hermann
Solid-State-Electronics Volume: 63 Issue: 1 Pages: 1-4
On the stochastic nature of resistive switching in Cu doped Ge(0.3)Se(0.7) based memory devices
Soni R.; Meuffels P.; Staikov G.; et al.
J. Appl. Phys. Volume: 110 Issue: 5
Ferromagnetic resonance in epitaxial films: Effects of lattice strains and voltage control via ferroelectric substrate
Pertsev N. A.; Kohlstedt H.; Knoechel R.
Phys. Rev. B Volume: 84 Issue: 1
Piezoelectric
properties of 0.5(Ba(0.7)Ca(0.3)TiO(3))-0.5[Ba(Zr(0.2)Ti(0.8))O(3)]
ferroelectric lead-free laser deposited thin films
Piorra A.; Petraru A.; Kohlstedt H.; et al.
J. Appl. Phys. Volume: 109 Issue: 10
Electric forming and telegraph noise in tunnel junctions (vol 73, pg 2564, 1993)
Kohlstedt H.; Gundlach K. -H.; Kurikj S.
J. Appl. Phys. Volume: 109 Issue: 7
The "Mating" of Electrons: Triplet Superconductivity first demonstrated experimentally
Zabel Hartmut; Westerholt Kurt; Kohlstedt Hermann
Int. J. Mat. Res. Volume: 102 Issue: 2 Pages: 232-234
2010
Resistive switching via the converse magnetoelectric effect in ferromagnetic multilayers on ferroelectric substrates.
Pertsev, N A; Kohlstedt, H
Nanotechnology Volume: 21 Issue: 47 Pages: 475202
Critical current diffraction pattern of SIFS Josephson junctions with a step-like F-layer
Weides, M; Peralagu, U; Kohlstedt, H, et al.
Sup. Con. Sci. Tec. Volume: 23 Issue: 9
Crossing an Interface: Ferroelectric Control of Tunnel Currents in Magnetic Complex Oxide Heterostructures
Hambe, M; Petraru, A; Pertsev, NA, et al.
Adv. Fun. Mat. Volume: 20 Issue: 15
Evidence for triplet superconductivity in Josephson junctions with barriers of the ferromagnetic Heusler alloy Cu2MnAl
Sprungmann, D; Westerholt, K; Zabel, H, et al.
Phys. Rev. B Volume: 82 Issue: 6
Investigation
of state retention in metal-ferroelectric-insulator-semiconductor
structures based on Langmuir-Blodgett copolymer films
Reece, TJ; Gerber, A; Kohlstedt, H, et al.
J. Appl. Phys. Volume: 108 Issue: 2
Ferroelectric field effect transistors using very thin ferroelectric polyvinylidene fluoride copolymer films as gate dielectrics
Gerber, A; Fitsilis, M; Waser, R, et al.
J. Appl. Phys. Volume: 107 Issue: 12
Interference patterns of multifacet 20X(0-pi) Josephson junctions with ferromagnetic barrier
Scharinger, S; Gurlich, C; Mints, RG, et al.
Phys. Rev. B Volume: 81 Issue: 17
Josephson supercurrent in Nb/InN-nanowire/Nb junctions
Frielinghaus, R; Batov, IE; Weides, M, et al.
Appl. Phys. Lett. Volume: 96 Issue: 13
Visualizing supercurrents in ferromagnetic Josephson junctions with various arrangements of 0 and pi segments
Gurlich, C; Scharinger, S; Weides, M, et al.
Phys. Rev. B Volume: 81 Issue: 9
Magnetic
interference patterns in 0-pi
superconductor/insulator/ferromagnet/superconductor Josephson junctions:
Effects of asymmetry between 0 and pi regions
Kemmler, M; Weides, M; Weiler, M, et al.
Phys. Rev. B Volume: 81 Issue: 5
Probing Cu doped Ge0.3Se0.7 based resistance switching memory devices with random telegraph noise
Soni, R; Meuffels, P; Petraru, A, et al.
J. Appl. Phys. Volume: 107 Issue: 2
2009
Magnetic tunnel junction on a ferroelectric substrate
Pertsev, NA; Kohlstedt, H
Appl. Phys. Lett. Volume: 95 Issue: 16
Observation of Josephson coupling through an interlayer of antiferromagnetically ordered chromium
Weides, M; Disch, M; Kohlstedt, H, et al.
Phys. Rev. B Volume: 80 Issue: 6
Strong enhancement of the direct magnetoelectric effect in strained ferroelectric-ferromagnetic thin-film heterostructures
Pertsev, NA; Kohlstedt, H; Dkhil, B
Phys. Rev. B Volume: 80 Issue: 5
Structural defects and local chemistry across ferroelectric-electrode interfaces in epitaxial heterostructures
Arredondo, M; Saunders, M; Petraru, A, et al.
J. Mater Sci. Volume: 44 Issue: 19 Pages: 5297-5306
Reliability analysis of the low resistance state stability of Ge0.3Se0.7 based solid electrolyte nonvolatile memory cells
Soni, R; Meuffels, P; Kohlstedt, H, et al.
Appl.Phys. Lett. Volume: 94 Issue: 12
Josephson tunnel junctions with ferromagnetic Fe0.75Co0.25 barriers
Sprungmann, D; Westerholt, K; Zabel, H, et al.
Appl Phys Volume: 42 Issue: 7
Special Issue on: International Conference on Electroceramics
Setter, N; Kohlstedt, H; Rothschild, A, et al.
J. Elec. Volume: 22 Issue: 1-3 Pages: 1-1
2008
Role of Misfit Dislocations in Ferroelectric Thin films
Arredondo, M; Nagarajan, V; Petraru, A, et al.
Conference Information: 17th IEEE International Symposium on Applications of Ferroelectrics, Date: FEB 23-28, 2008 Santa Fe NM
2008 17TH IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS Pages: 122-125
Wedgelike ultrathin epitaxial BaTiO3 films for studies of scaling effects in ferroelectrics
Petraru, A; Kohlstedt, H; Poppe, U, et al.
Appl. Phys. Lett. Volume: 93 Issue: 7
Investigation
of the amorphous to crystalline phase transition of chemical solution
deposited Pb(Zr0.3Ti0.7)O-3 thin films by soft X-ray absorption and soft
X-ray emission spectroscopy
Schneller, T; Kohlstedt, H; Petraru, A, et al.
Conference Information: 14th International Sol-Gel Conference, Date: SEP 02-07, 2007 Montpellier FRANCE
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY Volume: 48 Issue: 1-2 Pages: 239-252
Dynamics of ferroelectric nanodomains in BaTiO3 epitaxial thin films via piezoresponse force microscopy
Pertsev, NA; Petraru, A; Kohlstedt, H, et al.
Nanotech. Volume: 19 Issue: 37
Comment on "Elastic stabilization of a single-domain ferroelectric state in nanoscale capacitors and tunnel junctions" - Reply
Pertsev, NA; Kohlstedt, H
Phys. Rev. Lett. Volume: 100 Issue: 14
Method to distinguish ferroelectric from nonferroelectric origin in case of resistive switching in ferroelectric capacitors
Kohlstedt, H; Petraru, A; Szot, K, et al.
Appl. Phy. Lett. Volume: 92 Issue: 6
2007
Polarization and lattice strains in epitaxial BaTiO3 films grown by high-pressure sputtering
Petraru, A; Pertsev, NA; Kohlstedt, H, et al.
J. Appl. Phys. Volume: 101 Issue: 11
Ferromagnetic 0-pi Josephson junctions
Weides, M; Kohlstedt, H; Waser, R, et al.
Appl. Phys. A Volume: 89 Issue: 3 Pages: 613-617
Elastic stabilization of a single-domain ferroelectric state in nanoscale capacitors and tunnel junctions.
Pertsev, N A; Kohlstedt, H
Phys. Rev. Lett. Volume: 98 Issue: 25
Low-T-c Josephson junctions with tailored barrier
Weides, M; Schindler, C; Kohlstedt, H
J. Appl. Phys. Volume: 101 Issue:
2006
0-pi Josephson tunnel junctions with ferromagnetic barrier
Weides, M; Kemmler, M; Kohlstedt, H, et al.
Phys. Rev. Lett. Volume: 97 Issue: 24 Pages: 247001
Self-assembly of diblock-copolymer micelles for template-based preparation of PbTiO3 nanograins
Kronholz, S; Rathgeber, S; Karthauser, S, et al.
Adv. Func. Mat. Volume: 16 Issue: 18 Pages: 2346-2354
Ferroelectric thin films: Review of materials, properties, and applications
Setter, N; Damjanovic, D; Eng, L, et al.
J. Appl. Phys. Volume: 100 Issue: 10
High quality ferromagnetic 0 and pi Josephson tunnel junctions
Weides, M; Kemmler, M; Goldobin, E, et al.
Appl. Phys. Lett. Volume: 89 Issue: 12
Simultaneous
measurement of the piezoelectric and dielectric response of nanoscale
ferroelectric capacitors by an atomic force microscopy based approach
Petraru, A; Nagarajan, V; Kohlstedt, H, et al.
Appl. Phys. A Volume: 84 Issue: 1-2 Pages: 67-71
Low-voltage
operation of metal-ferroelectric-insulator-semiconductor diodes
incorporating a ferroelectric polyvinylidene fluoride copolymer
Langmuir-Blodgett film
Gerber, A; Kohlstedt, H; Fitsilis, M, et al.
J. Appl. Phys. Volume: 100 Issue: 2
Applied physics - Tunneling across a ferroelectric
Tsymbal, EY; Kohlstedt, H
Science Volume: 313 Issue: 5784 Pages: 181-183
Polarization states of polydomain epitaxial Pb(Zr1-xTix)O-3 thin films and their dielectric properties
Kukhar, VG; Pertsev, NA; Kohlstedt, H, et al.
Phys. Rev. B Volume: 73 Issue: 21
2005
Simulation of quantum dead-layers in nanoscale ferroelectric tunnel junctions
Indlekofer, KM; Kohlstedt, H
EUROPHYSICS LETTERS Volume: 72 Issue: 2 Pages: 282-286
Theoretical current-voltage characteristics of ferroelectric tunnel junctions
Kohlstedt, H; Pertsev, NA; Contreras, JR, et al.
PHYSICAL REVIEW B Volume: 72 Issue: 12
Influence
of the morphology of ferroelectric SrBi2Ta2O9 thin films deposited by
metal organic decomposition on its electrical characteristics
Moert, M; Schindler, G; Mikolajick, T, et al.
APPLIED SURFACE SCIENCE Volume: 249 Issue: 1-4 Pages: 23-30
Current status and challenges of ferroelectric memory devices
Author(s): Kohlstedt, H; Mustafa, Y; Gerber, A, et al.
Conference
Information: 14th Biennial Conference on Insulating Films on
Semiconductors, Date: JUN 22-24, 2005 Univ Leuven, Dept Psychol Louvain
BELGIUM
Source: MICROELECTRONIC ENGINEERING Volume: 80 Pages: 296-304
Nanoscale polarization relaxation in a polycrystalline ferroelectric thin film: Role of local environments
Author(s): Nagarajan, V; Aggarwal, S; Gruverman, A, et al.
Source: APPLIED PHYSICS LETTERS Volume: 86
Improved PbZr0.52Ti0.48O3 film quality on SrRuO3/SrTiO3 substrates
Author(s): Contreras, JR; Kohlstedt, H; Petraru, A, et al.
Source: JOURNAL OF CRYSTAL GROWTH Volume: 277 Issue: 1-4 Pages: 210-217
Integration
of stacked capacitor module with ultra-thin ferroelectric SrBi2Ta2O9
film for high density ferroelectric random access memory applications at
low voltage operation
Author(s): Moert, M; Mikolajick, T; Schindler, G, et al.
Source: THIN SOLID FILMS Volume: 473 Issue: 2 Pages: 328-334
2004
A new concept for using ferroelectric transistors in nonvolatile memories
Author(s): Fitsilis, M; Kohlstedt, H; Waser, R, et al.
Source: INTEGRATED FERROELECTRICS Volume: 60 Pages: 45-58
On a novel ferro resistive random access memory (FRRAM): Basic model and first experiments
Author(s): Meyer, R; Contreras, JR; Petraru, A, et al.
Conference
Information: 16th International Symposium on Integrated
Ferroelectrics/5th Korean Workshop on High Dielectric Devices and
Materials, Date: APR 05-08, 2004 Gyeongju SOUTH KOREA
Source: INTEGRATED FERROELECTRICS Volume: 64 Pages: 77-88
Use of reactive gases with broad-beam radio frequency ion sources for industrial applications
Author(s): Schneider, S; Jolly, TW; Kohlstedt, H, et al.
Conference Information: 50th AVS International Symposium, Date: NOV 02-07, 2003 Baltimore MD
Source: JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A Volume: 22 Issue: 4 Pages: 1493-1499
Size effects in ultrathin epitaxial ferroelectric heterostructures
Author(s): Nagarajan, V; Prasertchoung, S; Zhao, T, et al.
Source: APPLIED PHYSICS LETTERS Volume: 84 Issue: 25 Pages: 5225-5227
2003
Resistive switching in metal-ferroelectric-metal junctions
Author(s): Contreras, JR; Kohlstedt, H; Poppe, U, et al.
Source: APPLIED PHYSICS LETTERS Volume: 83 Issue: 22 Pages: 4595-4597
Coercive field of ultrathin Pb(Zr0.52Ti0.48)O-3 epitaxial films
Author(s): Pertsev, NA; Contreras, JR; Kukhar, VG, et al.
Source: APPLIED PHYSICS LETTERS Volume: 83 Issue: 16 Pages: 3356-3358
Statistical model for prebreakdown current jumps and breakdown caused by single traps in magnetic tunnel junctions
Author(s): Das, J; Degraeve, R; Groeseneken, G, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 94 Issue: 4 Pages: 2749-2751
Surface treatment effects on the thickness dependence of the remanent polarization of PbZr0.52Ti0.48O3 capacitors
Author(s): Contreras, JR; Kohlstedt, H; Poppe, U, et al.
Source: APPLIED PHYSICS LETTERS Volume: 83 Issue: 1 Pages: 126-128
Correlation of magnetotransport and structure in sputtered Co/Cu multilayers
Author(s): Paul, A; Damm, T; Burgler, DE, et al.
Source: JOURNAL OF PHYSICS-CONDENSED MATTER Volume: 15 Issue: 7
Pages: 2471-2491
Optimizing the giant magnetoresistance of NiFe/Cu/Co pseudo spin-valves prepared by magnetron sputtering
Author(s): Paul, A; Damm, T; Burgler, DE, et al.
Source: APPLIED PHYSICS LETTERS Volume: 82 Issue: 12 Pages: 1905-1907
Phase diagrams and physical properties of single-domain epitaxial Pb(Zr1-xTix)O-3 thin films
Author(s): Pertsev, NA; Kukhar, VG; Kohlstedt, H, et al.
Source: PHYSICAL REVIEW B Volume: 67 Issue: 5
2002
Structural
and ferroelectric properties of epitaxial PbZr0.52Ti0.48O3 and BaTiO3
thin films prepared on SrRuO3/SrTiO3(100) substrates
Author(s): Contreras, JR; Schubert, J; Poppe, U, et al.
Conference
Information: Symposium on Ferroelectric Thin Films X held at the 2001
MRS Fall Meeting, Date: NOV 25-29, 2001 BOSTON MA
Source: FERROELECTRIC THIN FILMS X Volume: 688 Pages: 303-308
Size
effects on polarization in epitaxial ferroelectric films and the
concept of ferroelectric tunnel junctions including first results
Author(s): Kohlstedt, H; Pertsev, NA; Waser, R
Conference
Information: Symposium on Ferroelectric Thin Films X held at the 2001
MRS Fall Meeting, Date: NOV 25-29, 2001 BOSTON MA
Source: FERROELECTRIC THIN FILMS X Volume: 688 Pages: 161-172
Investigation of the role of carbonylchemistry to pattern platinum electrodes
Author(s): Schneider, S; Kohlstedt, H; Waser, R
Conference
Information: Symposium on Ferroelectric Thin Films X held at the 2001
MRS Fall Meeting, Date: NOV 25-29, 2001 BOSTON MA
Source: FERROELECTRIC THIN FILMS X Volume: 688 Pages: 133-138
Magnon scattering and tunneling through localized states in magnetic tunnel junctions
Author(s): Wingbermuhle, J; Stein, S; Kohlstedt, H
Source: JOURNAL OF APPLIED PHYSICS Volume: 92 Issue: 12 Pages: 7261-7265
Kinetic of phase transformation of SrBi2Ta2O9 deposited by metalorganic decomposition on platinum electrodes
Author(s): Moert, M; Mikolajick, T; Schindler, G, et al.
Source: APPLIED PHYSICS LETTERS Volume: 81 Issue: 23 Pages: 4410-4412
Lattice strain and lattice expansion of the SrRuO3 layers in SrRuO3/PbZr0.52Ti0.48O3/SrRuO3 multilayer thin films
Author(s): Jia, CL; Contreras, JR; Poppe, U, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 92 Issue: 1 Pages: 101-105
Ultrathin epitaxial ferroelectric films grown on compressive substrates: Competition between the surface and strain effects
Author(s): Zembilgotov, AG; Pertsev, NA; Kohlstedt, H, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 91 Issue: 4 Pages: 2247-2254
2001
Imprint in ferroelectric Pb(Zr,Ti)O-3 thin films with thin SrRuO3 layers at the electrodes
Author(s): Grossmann, M; Lohse, O; Schneller, T, et al.
Conference
Information: 13th International Symposium on Integrated Ferroelectrics,
Date: MAR 11-14, 2001 COLORADO SPRINGS COLORADO
Source: INTEGRATED FERROELECTRICS Volume: 37 Issue: 1-4 Pages: 535-544
Thickness dependent morphology and electrical characteristics of SrBi2Ta2O9 deposited by metal organic decomposition
Author(s): Mort, M; Nagel, N; Schindler, G, et al.
Conference
Information: 13th International Symposium on Integrated Ferroelectrics,
Date: MAR 11-14, 2001 COLORADO SPRINGS COLORADO
Source: INTEGRATED FERROELECTRICS Volume: 37 Issue: 1-4 Pages: 455-464
Magneto-tunneling injection device (MAGTID)
Author(s): Stein, S; Schmitz, R; Kohlstedt, H
Source: SOLID STATE COMMUNICATIONS Volume: 117 Issue: 10 Pages: 599-603
Superconducting integrated receiver as 400-600 GHz tester for coolable devices
Author(s): Shitov, SV; Levitchev, M; Veretennikov, AV, et al.
Conference Information: 2000 Applied Superconductivity Conference, Date: SEP 17-22, 2000 VIRGINIA BEACH VA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 11 Issue: 1 Pages: 832-835
2000
Dielectric breakdown of lithographically patterned tunnel junctions prepared by UV oxidation method
Author(s): Girgis, E; Boeve, H; De Boeck, J, et al.
Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS Volume: 222
Issue: 1-2 Pages: 133-137
Dynamics of order parameter and microwave emission for a YBa2Cu3O7-delta bicrystal junction
Author(s): Andoh, H; Harnack, O; Darula, M, et al.
Source: PHYSICA C Volume: 339 Issue: 4 Pages: 237-244
Ultraviolet light assisted oxidation for magnetic tunnel junctions
Author(s): Rottlander, P; Kohlstedt, H; Grunberg, P, et al.
Conference Information: 44th Annual Conference on Magnetism and Magnetic Materials, Date: NOV 15-18, 1999 SAN JOSE CA
Source: JOURNAL OF APPLIED PHYSICS Volume: 87 Issue: 9 Pages: 6067-6069
Prerequisites for high-quality magnetic tunnel junctions: XPS and NMR study of Co/Al bilayers
Author(s): de Gronckel, HAM; Kohlstedt, H; Daniels, C
Source: APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING Volume: 70 Issue: 4 Pages: 435-441
Tunnel magnetoresistance devices processed by oxidation in air and UV assisted oxidation in oxygen
Author(s): Girgis, E; Schelten, J; Gruenberg, P, et al.
Source: IEEE TRANSACTIONS ON ELECTRON DEVICES Volume: 47 Issue: 4 Pages: 697-701
Noise and conversion properties of Y-Ba-Cu-O Josephson mixers at operating temperatures above 20 K
Author(s): Harnack, O; Darula, M; Beuven, S, et al.
Source: APPLIED PHYSICS LETTERS Volume: 76 Issue: 13 Pages: 1764-1766
Magnetic tunnel junctions prepared by ultraviolet light assisted oxidation
Author(s): Rottlander, P; Kohlstedt, H; de Gronckel, HAM, et al.
Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS Volume: 210
Issue: 1-3 Pages: 251-256
1999
Coplanar transmission lines with meandering centre conductors in Y-Ba-Cu-O/Au bilayers
Author(s): Weber, C; Ono, R; Booth, JC, et al.
Conference Information: International Superconductive Electronics Conference, Date: JUN 21-25, 1999 BERKELEY CA
Source: SUPERCONDUCTOR SCIENCE & TECHNOLOGY Volume: 12 Issue: 11 Pages: 998-1000
On-chip integration of HTS Josephson oscillator and mixer
Author(s): Beuven, S; Darula, M; Harnack, O, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 3769-3772
HTS mixers based on the Josephson effect and on the hot-electron bolometric effect
Author(s): Harnack, O; Beuven, S; Darula, M, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 3765-3768
New microwave circuits for programmable voltage standards using high-temperature Josephson junction arrays
Author(s): Klushin, AM; Weber, C; Kohlstedt, H, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 4158-4161
Narrow long Josephson junctions
Author(s): Koval, Y; Wallraff, A; Fistul, M, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CALIFORNIA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 3957-3961
Experimental investigation of Cherenkov flux-flow oscillators
Author(s): Kurin, V; Yulin, A; Goldobin, E, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 3733-3736
A double junction ring oscillator based on shunted, stacked junctions
Author(s): Lomatch, S; Ruck, B; Schmitz, R, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 4542-4545
Experimental realization of a 3D integrated RSFQ T-flip-flop using stacktrons
Author(s): Ruck, B; Schmitz, R; Thyssen, N, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 3966-3969
Submillimeter-wave mixing and noise in HTS Josephson junctions
Author(s): Tarasov, M; Stepantsov, E; Golubev, D, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 3761-3764
High temperature Josephson bicrystal junctions and arrays for metrological applications
Author(s): Weber, C; Klushin, AM; Beuven, S, et al.
Conference Information: 1998 Applied Superconductivity Conference, Date: SEP 13-18, 1998 PALM DESERT CA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 9
Issue: 2 Pages: 4162-4165
Toward a programmable HTS Josephson voltage standard: Recent results
Author(s): Klushin, AM; Weber, C; Borovitskii, SI, et al.
Conference
Information: 1998 Conference on Precision Electromagnetic Measurements
(CPEM 98), Date: JUL 06-10, 1998 WASHINGTON D.C.
Source: IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume: 48 Issue: 2 Pages: 274-278
Static properties of stacked Josephson junctions: Comparison of experiments with the inductively coupled sine-Gordon model
Author(s): Thyssen, N; Monaco, R; Petraglia, A, et al.
Source: PHYSICAL REVIEW B Volume: 59 Issue: 1 Pages: 181-183
1998
Towards a programmable HTS Josephson voltage standard: Recent results
Author(s): Klushin, AM; Weber, C; Kohlstedt, H, et al.
Conference
Information: 1998 Conference on Precision Electromagnetic Measurements
(CPEM 98), Date: JUL 06-10, 1998 WASHINGTON D.C.
Source: 1998 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS DIGEST Pages: 441-442
Noise and mixing properties of high-T-c Josephson junctions at W-band frequencies
Author(s): Harnack, O; Darula, M; Andoh, H, et al.
Source: APPLIED SUPERCONDUCTIVITY Volume: 6 Issue: 10-12 Pages: 689-697
Dynamics of multiple-junction stacked flux-flow oscillators: Comparison between theory and experiment
Author(s): Sakai, S; Ustinov, AV; Thyssen, N, et al.
Source: PHYSICAL REVIEW B Volume: 58 Issue: 9 Pages: 5777-5782
Large critical currents and current steps in shunted bicrystal Josephson junctions at liquid nitrogen temperatures
Author(s): Klushin, AM; Weber, C; Darula, M, et al.
Source: SUPERCONDUCTOR SCIENCE & TECHNOLOGY Volume: 11 Issue: 7 Pages: 609-613
1997
Stack Josephson junctions with sidewall shunt
Author(s): Darula, M; Kohlstedt, H; Amatuni, L, et al.
Conference
Information: 3rd European Conference on Applied Superconductivity
(EUCAS 1997), Date: JUN 30-JUL 03, 1997 VELDHOVEN NETHERLANDS
Source: APPLIED SUPERCONDUCTIVITY 1997, VOLS 1 AND 2 Issue: 158 Pages: 599-602
Programmable voltage standards based on HTS Josephson junction arrays
Author(s): Klushin, AM; Borovitskii, SI; Weber, C, et al.
Conference
Information: 3rd European Conference on Applied Superconductivity
(EUCAS 1997), Date: JUN 30-JUL 03, 1997 VELDHOVEN NETHERLANDS
Source: APPLIED SUPERCONDUCTIVITY 1997, VOLS 1 AND 2 Issue: 158 Pages: 587-590
Josephson flux flow in multi-junction stacks: Experiment and simulation
Author(s): Thyssen, N; Kohlstedt, H; Sakai, S, et al.
Conference
Information: 3rd European Conference on Applied Superconductivity
(EUCAS 1997), Date: JUN 30-JUL 03, 1997 VELDHOVEN NETHERLANDS
Source: APPLIED SUPERCONDUCTIVITY 1997, VOLS 1 AND 2 Issue: 158 Pages: 499-502
Low-T-c tunnel junction stacks as models for intrinsic Josephson effect in high-T-c materials
Author(s): Thyssen, N; Kohlstedt, H; Ustinov, AV
Conference
Information: 1st RIEC International Symposium on Intrinsic Josephson
Effects and THz Plasma Oscillations in High-Tc Superconductors, Date:
FEB 23-25, 1997 TOHOKU UNIV, INST MAT RES SENDAI JAPAN
Source: PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS Volume: 293 Issue: 1-4 Pages: 264-267
Large Shapiro steps and wide junction behaviour in HTS Josephson junctions at nitrogen temperatures
Author(s): Weber, C; Klushin, AM; Darula, M, et al.
Conference Information: 6th International Superconductive Electronics Conference (ISEC 97), Date: JUN 25-28, 1997 BERLIN GERMANY
Source: APPLIED SUPERCONDUCTIVITY Volume: 5 Issue: 7-12 Pages: 451-456
Active components for high-T-c Josephson receivers
Author(s): Beuven, S; Harnack, O; Amatuni, L, et al.
Conference Information: 1996 Applied Superconductivity Conference, Date: AUG 25-30, 1996 PITTSBURGH PA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 7
Issue: 2 Pages: 2591-2594
Stacked niobium Josephson junction arrays under X-band irradiation
Author(s): Klushin, AM; Schornstein, S; Kohlstedt, H, et al.
Conference Information: 1996 Applied Superconductivity Conference, Date: AUG 25-30, 1996 PITTSBURGH PA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 7
Issue: 2 Pages: 2423-2425
Experimental study of flux flow and resonant modes in multi-junction Josephson stacks
Author(s): Thyssen, N; Kohlstedt, H; Ustinov, AV
Conference Information: 1996 Applied Superconductivity Conference, Date: AUG 25-30, 1996 PITTSBURGH PA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 7
Issue: 2 Pages: 2901-2904
On-chip radiation detection from stacked Josephson flux-flow oscillators
Author(s): Ustinov, AV; Shitov, SV; Iosad, N, et al.
Conference Information: 1996 Applied Superconductivity Conference, Date: AUG 25-30, 1996 PITTSBURGH PA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 7
Issue: 2 Pages: 3601-3604
Observation of high voltage resonances in one-dimensional arrays
Author(s): Caputo, P; Ustinov, AV; Iosad, N, et al.
Conference
Information: International Weak Superconductivity Symposium (WSS),
Date: AUG 04-07, 1996 SMOLENICE CASTLE SLOVAK REPUBLIC
Source: JOURNAL OF LOW TEMPERATURE PHYSICS Volume: 106 Issue: 3-4 Pages: 353-358
High-frequency properties of high-T-c Josephson junctions and mixing experiments in the W-band
Author(s): Harnack, O; Darula, M; Beuven, S, et al.
Conference
Information: International Weak Superconductivity Symposium (WSS),
Date: AUG 04-07, 1996 SMOLENICE CASTLE SLOVAK REPUBLIC
Source: JOURNAL OF LOW TEMPERATURE PHYSICS Volume: 106 Issue: 3-4 Pages: 463-468
Comparative study of shunted bicrystal Josephson junctions
Author(s): Klushin, A; Golubov, A; Prusseit, W, et al.
Conference
Information: International Weak Superconductivity Symposium (WSS),
Date: AUG 04-07, 1996 SMOLENICE CASTLE SLOVAK REPUBLIC
Source: JOURNAL OF LOW TEMPERATURE PHYSICS Volume: 106 Issue: 3-4 Pages: 265-269
Flux flow and resonant modes in multi-junction Josephson stacks
Author(s): Thyssen, N; Ustinov, AV; Kohlstedt, H
Conference
Information: International Weak Superconductivity Symposium (WSS),
Date: AUG 04-07, 1996 SMOLENICE CASTLE SLOVAK REPUBLIC
Source: JOURNAL OF LOW TEMPERATURE PHYSICS Volume: 106 Issue: 3-4 Pages: 201-206
Fluxon pinning in annular Josephson junctions by an external magnetic field
Author(s): Vernik, IV; Keil, S; Thyssen, N, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 81 Issue: 3 Pages: 1335-1340
Fluxon dynamics in discrete Josephson transmission lines with stacked junctions
Author(s): Caputo, P; Darula, M; Ustinov, AV, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 81 Issue: 1 Pages: 309-314
1996
External frequency locking in shunted bicrystal Josephson junction arrays
Author(s): Klushin, AM; Prusseit, W; Sodtke, E, et al.
Conference
Information: 21st International Conference on Low Temperature Physics
(LT 21), Date: AUG 08-14, 1996 PRAGUE CZECH REPUBLIC
Source: CZECHOSLOVAK JOURNAL OF PHYSICS Volume: 46 Pages: 1317-1318
Time-domain response of displaced linear branch in long Josephson junction
Author(s): Ustinov, AV; Kohlstedt, H; Henne, P
Conference
Information: 21st International Conference on Low Temperature Physics
(LT 21), Date: AUG 08-14, 1996 PRAGUE CZECH REPUBLIC
Source: CZECHOSLOVAK JOURNAL OF PHYSICS Volume: 46 Pages: 681-682
Trapped fluxons in annular Josephson junctions in the external magnetic field
Author(s): Vernik, IV; Keil, S; Ustinov, AV, et al.
Conference
Information: 21st International Conference on Low Temperature Physics
(LT 21), Date: AUG 08-14, 1996 PRAGUE CZECH REPUBLIC
Source: CZECHOSLOVAK JOURNAL OF PHYSICS Volume: 46 Pages: 649-650
Characterisation of millimeter and submillimeter wave mixers based on high-T-c superconductor structures
Author(s): Harnack, O; Beuven, S; Darula, M, et al.
Conference
Information: 6th IEEE International Conference on Terahertz
Electronics, Date: SEP 03-04, 1998 UNIV LEEDS LEEDS ENGLAND
Source: THE NINETY EIGHT - 1998 IEEE SIXTH INTERNATIONAL CONFERENCE ON TERAHERTZ ELECTRONICS PROCEEDINGS Pages: 5-8
On-chip radiation detection from stacked Josephson flux-flow oscillators
Author(s): Shitov, SV; Ustinov, AV; Iosad, N, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 80 Issue: 12 Pages: 7134-7137
Magnetic flux quanta in annular Josephson junctions in a barrier-parallel dc magnetic field
Author(s): Keil, S; Vernik, IV; Doderer, T, et al.
Source: PHYSICAL REVIEW B Volume: 54 Issue: 21 Pages: 14948-14951
The role of surface roughness in the fabrication of stacked Nb/Al-AlOx/Nb tunnel junctions
Author(s): Kohlstedt, H; Konig, F; Henne, P, et al.
Source: JOURNAL OF APPLIED PHYSICS Volume: 80 Issue: 9 Pages: 5512-5514
Giant radiation linewidth of multifluxon states in long Josephson junctions
Author(s): Ustinov, AV; Kohlstedt, H; Henne, P
Source: PHYSICAL REVIEW LETTERS Volume: 77 Issue: 17 Pages: 3617-3620
Shunted bicrystal Josephson junctions arrays for voltage standards
Author(s): Klushin, AM; Prusseit, W; Sodtke, E, et al.
Source: APPLIED PHYSICS LETTERS Volume: 69 Issue: 11 Pages: 1634-1636
Interlayer fluxon interaction in Josephson stacks
Author(s): Ustinov, AV; Kohlstedt, H
Source: PHYSICAL REVIEW B Volume: 54 Issue: 9 Pages: 6111-6114
Fabrication of stacked intrinsic Josephson junctions from Bi2Sr2CaCu2O8+x thin films
Author(s): Xiao, YG; Domel, R; Jia, CL, et al.
Conference Information: 5th International Superconductive Electronics Conference (ISEC 95), Date: SEP 18-21, 1995 NAGOYA JAPAN
Source: SUPERCONDUCTOR SCIENCE & TECHNOLOGY Volume: 9 Issue: 4A Pages: A22-A25
Tunable phase locking of stacked Josephson flux-flow oscillators
Author(s): Goldobin, E; Kohlstedt, H; Ustinov, AV
Source: APPLIED PHYSICS LETTERS Volume: 68 Issue: 2 Pages: 250-252
1995
Stripline arrays of small stacked Josephson junctions
Author(s): Caputo, P; Darula, M; Ustinov, AV, et al.
Conference
Information: 2nd European Conference on Applied Superconductivity
(EUCAS 1995), Date: JUL 03-06, 1995 EDINBURGH SCOTLAND
Source: APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2 Volume: 148
Pages: 1443-1446
Intrinsic Josephson-effect in Bi2Sr2CaCU2O8+x thin films
Author(s): Domel, R; Kohlstedt, H; Xiao, YG, et al.
Conference
Information: 2nd European Conference on Applied Superconductivity
(EUCAS 1995), Date: JUL 03-06, 1995 EDINBURGH SCOTLAND
Source: APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2 Volume: 148
Pages: 1391-1394
Radiation measurements at 80-120 GHz from Josephson flux-flow oscillators
Author(s): Henne, P; Kohlstedt, H; Ustinov, AV
Conference
Information: 2nd European Conference on Applied Superconductivity
(EUCAS 1995), Date: JUL 03-06, 1995 EDINBURGH SCOTLAND
Source: APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2 Volume: 148
Pages: 1669-1672
External frequency locking in arrays of long Josephson junctions
Author(s): Klushin, AM; Ustinov, AV; Henne, P, et al.
Conference
Information: 2nd European Conference on Applied Superconductivity
(EUCAS 1995), Date: JUL 03-06, 1995 EDINBURGH SCOTLAND
Source: APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2 Volume: 148 Pages: 1475-1478
Thermomagnetic effect in a long Josephson junction
Author(s): Logvenov, GY; Vernik, IV; Kohlstedt, H, et al.
Conference
Information: 2nd European Conference on Applied Superconductivity
(EUCAS 1995), Date: JUL 03-06, 1995 EDINBURGH SCOTLAND
Source: APPLIED SUPERCONDUCTIVITY 1995, VOLS. 1 AND 2 Volume: 148 Pages: 1303-1306
PHASE-LOCKING OF STACKED ALL-NIOBIUM JUNCTION ARRAYS TO EXTERNAL RF-IRRADIATION
Author(s): KLUSHIN, AM; KOHLSTEDT, H; NIEMEYER, J
Conference Information: 1994 Applied Superconductivity Conference, Date: OCT 16-21, 1994 BOSTON MA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 5 Issue: 2 Pages: 2719-2722
DOUBLE-BARRIER LONG JOSEPHSON-JUNCTIONS WITH A CONTACT TO THE INTERMEDIATE SUPERCONDUCTING LAYER
Author(s): KOHLSTEDT, H; USTINOV, AV; PETER, F
Conference Information: 1994 Applied Superconductivity Conference, Date: OCT 16-21, 1994 BOSTON MA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 5 Issue: 2 Pages: 2939-2942
EXPERIMENTAL-STUDY OF FLUXON RESONANCES IN WINDOW-TYPE LONG JOSEPHSON-JUNCTIONS
Author(s): THYSSEN, N; USTINOV, AV; KOHLSTEDT, H, et al.
Conference Information: 1994 Applied Superconductivity Conference, Date: OCT 16-21, 1994 BOSTON MA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 5 Issue: 2 Pages: 2965-2968
COHERENT FLUX-FLOW IN VERTICALLY STACKED LONG JOSEPHSON TUNNEL-JUNCTIONS
Author(s): USTINOV, AV; KOHLSTEDT, H; HEIDEN, C
Conference Information: 1994 Applied Superconductivity Conference, Date: OCT 16-21, 1994 BOSTON MA
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY Volume: 5 Issue: 2 Pages: 2743-2746
OBSERVATION OF A SPATIALLY-COHERENT RESONANCE MODE IN STACKED JOSEPHSON-JUNCTIONS
Author(s): USTINOV, AV; DODERER, T; KOHLSTEDT, H, et al.
Source: PHYSICS LETTERS A Volume: 201 Issue: 4 Pages: 375-380
EXPERIMENTAL-STUDY ON STACKED JOSEPHSON TUNNEL JUNCTION ARRAYS UNDER MICROWAVE IRRADIATION
Author(s): KLUSHIN, AM; KOHLSTEDT, H
Source: JOURNAL OF APPLIED PHYSICS Volume: 77 Issue: 1 Pages: 441-443
1994
MAGNETIC-FLUX DYNAMICS IN STACKED JOSEPHSON-JUNCTIONS
Author(s): USTINOV, AV; KOHLSTEDT, H; HEIDEN, C
Source: PHYSICA C Volume: 235 Pages: 285-288
VERTICAL INTEGRATION OF NB/AL-ALOX/NB TUNNEL-JUNCTIONS
Author(s): KOHLSTEDT, H; USTINOV, AV; KLUSCHIN, AM
Conference
Information: 17th International Symposium on Weak Superconductivity,
Date: JUN 06-10, 1994 SMOLENICE CASTLE SLOVAK REPUBLIC
Source: PROCEEDINGS OF THE SEVENTH INTERNATIONAL SYMPOSIUM ON WEAK SUPERCONDUCTIVITY Pages: 281-288
DYNAMICS OF JOSEPHSON VORTICES IN A TEMPERATURE-GRADIENT
Author(s): LOGVENOV, GY; VERNIK, IV; GONCHAROV, MT, et al.
Source: PHYSICS LETTERS A Volume: 196 Issue: 1-2 Pages: 76-82
THEORY AND EXPERIMENT ON ELECTROMAGNETIC-WAVE-PROPAGATION VELOCITIES IN STACKED SUPERCONDUCTING TUNNEL STRUCTURES
Author(s): SAKAI, S; USTINOV, AV; KOHLSTEDT, H, et al.
Source: PHYSICAL REVIEW B Volume: 50 Issue: 17 Pages: 12905-12914
POSSIBLE PHASE-LOCKING OF VERTICALLY STACKED JOSEPHSON FLUX-FLOW OSCILLATORS
Author(s): USTINOV, AV; KOHLSTEDT, H; HEIDEN, C
Source: APPLIED PHYSICS LETTERS Volume: 65 Issue: 11 Pages: 1457-1459
DYNAMICS OF JOSEPHSON VORTICES IN A TEMPERATURE-GRADIENT
Author(s): LOGVENOV, GY; VERNIK, IV; GONCHAROV, MT, et al.
Source: PHYSICS LETTERS A Volume: 196 Issue: 1-2 Pages: 76-82
THEORY AND EXPERIMENT ON ELECTROMAGNETIC-WAVE-PROPAGATION VELOCITIES IN STACKED SUPERCONDUCTING TUNNEL STRUCTURES
Author(s): SAKAI, S; USTINOV, AV; KOHLSTEDT, H, et al.
Source: PHYSICAL REVIEW B Volume: 50 Issue: 17 Pages: 12905-12914
POSSIBLE PHASE-LOCKING OF VERTICALLY STACKED JOSEPHSON FLUX-FLOW OSCILLATORS
Author(s): USTINOV, AV; KOHLSTEDT, H; HEIDEN, C
Source: APPLIED PHYSICS LETTERS Volume: 65 Issue: 11 Pages: 1457-1459
DYNAMIC BEHAVIOR OF JOSEPHSON-COUPLED LAYERED STRUCTURES
Author(s): KLEINER, R; MULLER, P; KOHLSTEDT, H, et al.
Source: PHYSICAL REVIEW B Volume: 50 Issue: 6 Pages: 3942-3952
STACKED NB/AL-ALOX/NB LONG JOSEPHSON TUNNEL-JUNCTIONS
Author(s): KOHLSTEDT, H; USTINOV, AV; CIRILLO, M, et al.
Source: PHYSICA B Volume: 194 Pages: 1711-1712
1993
PREPARATION AND PROPERTIES OF NB/AL-ALOX/NB MULTILAYERS
Author(s): KOHLSTEDT, H; HALLMANNS, G; NEVIRKOVETS, IP, et al.
Conference Information: 1992 Applied Superconductivity Conference, Date: AUG 23-28, 1992 CHICAGO IL
Source: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL 3, NO 1, MARCH 1993 PTS 2-4 Pages: 2197-2200
RELATION BETWEEN TUNNEL JUNCTION QUALITY, ANODIZATION PROFILES, AND LOW-FREQUENCY NOISE
Author(s): KOHLSTEDT, H; KURIKI, S; LEHNERT, T, et al.
Conference
Information: 4TH INTERNATIONAL CONFERENCE on Superconducting and
Quantum Effect Devices and Their Applications (SQUID 91), Date: JUN
18-21, 1991 BERLIN GERMANY
Source: SUPERCONDUCTING DEVICES AND THEIR APPLICATIONS Volume: 64 Pages: 218-223
LEAD BISMUTH-BASED AND NIOBIUM-BASED SIN TUNNEL-JUNCTIONS
Author(s): LEHNERT, T; GUNDLACH, KH; KOHLSTEDT, H
Conference
Information: 4TH INTERNATIONAL CONFERENCE on Superconducting and
Quantum Effect Devices and Their Applications (SQUID 91), Date: JUN
18-21, 1991 BERLIN GERMANY
Source: SUPERCONDUCTING DEVICES AND THEIR APPLICATIONS Volume: 64 Pages: 214-217
NANOBRIDGES OF OPTIMIZED YBA2CU3O7 THIN-FILMS FOR SUPERCONDUCTING FLUX-FLOW TYPE DEVICES
Author(s): SCHNEIDER, J; KOHLSTEDT, H; WORDENWEBER, R
Source: APPLIED PHYSICS LETTERS Volume: 63 Issue: 17 Pages: 2426-2428
COUPLED FLUXON MODES IN STACKED NB/ALOX/NB LONG JOSEPHSON-JUNCTIONS
Author(s): USTINOV, AV; KOHLSTEDT, H; CIRILLO, M, et al.
Source: PHYSICAL REVIEW B Volume: 48 Issue: 14 Pages: 10614-10617
VERY THIN YBA2CU3O7 STEP-EDGE JOSEPHSON-JUNCTIONS
Author(s): KOHLSTEDT, H; SCHUBERT, J; HERRMANN, K, et al.
Source: SUPERCONDUCTOR SCIENCE & TECHNOLOGY Volume: 6 Issue: 4 Pages: 246-249
ELECTRIC FORMING AND TELEGRAPH NOISE IN TUNNEL-JUNCTIONS
Author(s): KOHLSTEDT, H; GUNDLACH, KH; KURIKI, S
Source: JOURNAL OF APPLIED PHYSICS Volume: 73 Issue: 5 Pages: 2564-2568
PROPERTIES OF STACKED NB/AL-ALOX/NB TUNNEL-JUNCTIONS
Author(s): NEVIRKOVETS, IP; KOHLSTEDT, H; HALLMANNS, G, et al.
Source: SUPERCONDUCTOR SCIENCE & TECHNOLOGY Volume: 6 Issue: 2 Pages: 146-149
1992
PROPERTIES OF MULTILAYERED NB-BASED TUNNEL STRUCTURES PREPARED WITH THE WHOLE WAFER PROCESS
Author(s): NEVIRKOVETS, IP; KOHLSTEDT, H; HEIDEN, C
Source: CRYOGENICS Volume: 32 Pages: 583-586
1991
INVESTIGATION OF THE TUNNEL BARRIER IN NB-BASED JUNCTIONS PREPARED BY SPUTTERING AND ELECTRON-BEAM EVAPORATION
Author(s): KOHLSTEDT, H; GUNDLACH, KH; SCHNEIDER, A
Source: IEEE TRANSACTIONS ON MAGNETICS Volume: 27 Issue: 2 Pages: 3149-3152