Chair of Nanoelectronics

Publications

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., A A Petrov,A.A.,Petraru, A., E 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)

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)

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)

 

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

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

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