Magnetic domain structure in a circular magnetic thin film disk

Exemplary magnetic domain structure in a magnetostrictive material FeCoBSi thin film disk with uniaxial magnetic anisotropy overlaid with stress induced anisotropy.

S. Glasmachers, M. Frommberger, J. McCord, E. Quandt, Influence of strain on the high-frequency magnetic properties of FeCoBSi thin films, Physica Status Solidi (A) Applied Research 201, 15, 3319 (2004)