Hoffmann, F. and Woltersdorf, G. and Wegscheider, W. and Einwanger, A. and Weiss, D. and Back, C. H. (2009) Mapping the magnetic anisotropy in (Ga,Mn)As nanostructures. PHYSICAL REVIEW B, 80 (5): 054417. ISSN 1098-0121,
Full text not available from this repository.Abstract
Anisotropic strain relaxation in (Ga,Mn)As nanostructures was studied combining time-resolved Kerr microscopy and ferromagnetic resonance techniques. Local resonance measurements on individual narrow stripes patterned along various crystallographic directions reveal that the easy axis of the magnetization can be forced perpendicular to the strain relaxation direction. Spatially resolved measurements on disk-shaped and rectangular (Ga,Mn)As structures allow us to directly visualize these local changes in the magnetic anisotropy. We show that the strain-induced edge anisotropy allows for an effective control of the coercive field in stripe structures.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | FERROMAGNETIC-RESONANCE; GA1-XMNXAS; coercive force; ferromagnetic resonance; gallium arsenide; magnetic anisotropy; manganese compounds; nanostructured materials; semimagnetic semiconductors |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 10 Sep 2020 08:47 |
| Last Modified: | 10 Sep 2020 08:47 |
| URI: | https://pred.uni-regensburg.de/id/eprint/28667 |
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