Temperature Behavior of Uniaxial Anisotropy along [100] Direction in GaMnAs Films
- Authors
- Won, Jaehyuk; Shin, Jinsik; Lee, Sangyeop; Yoo, Taehee; Lee, Hakjoon; Lee, Sanghoon; Liu, Xinyu; Furdyna, Jacek
- Issue Date
- 1월-2013
- Publisher
- JAPAN SOC APPLIED PHYSICS
- Citation
- APPLIED PHYSICS EXPRESS, v.6, no.1
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS EXPRESS
- Volume
- 6
- Number
- 1
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/104254
- DOI
- 10.7567/APEX.6.013001
- ISSN
- 1882-0778
- Abstract
- We have investigated a uniaxial anisotropy along the [100] direction of GaMnAs film grown on (001) GaAs. The hysteresis observed in the angular dependence of the planar Hall resistance shifted toward the [010] and [0 (1) over bar0] directions. This phenomenon was analyzed by introducing an additional uniaxial anisotropy field H-u2 along the [100] direction. The magnitude of H-u2 is much smaller than those of the cubic H-c and uniaxial H-u1 anisotropy fields for this material. The temperature behavior of H-u2 appears to be very similar to that of H-u1, suggesting the possibility that H-u1 and H-u2 have a common origin. (C) 2013 The Japan Society of Applied Physics
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