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Multi-Valued Planar Hall Resistance Manipulated by Current Induced Magnetic Field in Fe Films Grown on GaAs(001) Substrates
- Authors
- Khym, Sungwon; Yoo, Taehee; Lee, Hakjoon; Lee, Sangyeop; Lee, Sanghoon; Liu, Xinyu; Furdyna, Jacek K.; Lee, Dong Uk; Kim, Eun Kyu
- Issue Date
- Sep-2012
- Publisher
- JAPAN SOC APPLIED PHYSICS
- Citation
- APPLIED PHYSICS EXPRESS, v.5, no.9, pp.1 - 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS EXPRESS
- Volume
- 5
- Number
- 9
- Start Page
- 1
- End Page
- 3
- ISSN
- 1882-0778
- Abstract
- A Hall device was fabricated from single-crystal Fe film having two in-plane magnetic easy axes. Planar Hall resistance measured by sequential application of current pulses to the metal strip that was deposited on the top of a Hall bar showed a hysteresis similar to that observed by scanning an external magnetic field. It was shown that discrete Hall resistance values in the hysteresis, which correspond to specific multidomain structures in Fe film, can be created by the application of appropriate sequences of current pulses to the metal strip, and can thus be used for read/write logic applications.
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