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Distribution of magnetic domain pinning fields in Ga(1-x)Mn(x)As ferromagnetic films
- Authors
- Kim, Jungtaek; Shin, D. Y.; Lee, Sanghoon; Liu, X.; Furdyna, J. K.
- Issue Date
- 8월-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW B, v.78, no.7
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW B
- Volume
- 78
- Number
- 7
- ISSN
- 1098-0121
- Abstract
- The distribution of magnetic domain pinning fields was determined in ferromagnetic GaMnAs films using the angular dependence of the planar Hall effect. A major difference is found between the pinning field distribution in as-grown and in annealed films: the former showing a strikingly narrower distribution than the latter. This effect, which we ascribe to differences in the degree of uniformity of magnetic anisotropy, provides a better understanding of magnetic domain landscape in GaMnAs, a subject of current intense interest.
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Collections - College of Science > Department of Physics > 1. Journal Articles
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