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Internal electric field influence on tunneling anisotropic magnetoresistance in epitaxial ferromagnet/n-GaAs junctions
| Title: | Internal electric field influence on tunneling anisotropic magnetoresistance in epitaxial ferromagnet/n-GaAs junctions |
| Authors: | Uemura, Tetsuya Browse this author →KAKEN DB | | Harada, Masanobu Browse this author | | Matsuda, Ken-ichi Browse this author | | Yamamoto, Masafumi Browse this author |
| Keywords: | cobalt alloys | | electric field effects | | ferromagnetic materials | | gallium arsenide | | III-V semiconductors | | iron alloys | | manganese alloys | | semiconductor heterojunctions | | semiconductor-metal boundaries | | silicon alloys | | spin-orbit interactions | | tunnelling magnetoresistance |
| Issue Date: | 21-Jun-2010 |
| Publisher: | American Institute of Physics |
| Journal Title: | Applied Physics Letters |
| Volume: | 96 |
| Issue: | 25 |
| Start Page: | 252106 |
| Publisher DOI: | 10.1063/1.3456558 |
| Abstract: | A strong voltage-dependent tunneling anisotropic magnetoresistance (TAMR) effect was observed in a fully epitaxial Co2MnSi/n-GaAs junction and a Co50Fe50/n-GaAs junction. Angular dependence of the tunnel resistance showed uniaxial-type anisotropic tunnel resistance between the [110] and [11ˉ0] directions in the (001) plane. The voltage at which the TAMR effect was suppressed was close to that at which the differential conductance reached a minimum in both samples, suggesting that the strength and/or the sign of the internal electric field at the Co2MnSi/n-GaAs and Co50Fe50/n-GaAs junctions could be related to the voltage-dependent TAMR effect through spin-orbit interaction. |
| Rights: | Copyright 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Appl. Phys. Lett. 96, 252106 (2010) and may be found at https://dx.doi.org/10.1063/1.3456558 |
| Type: | article |
| URI: | http://hdl.handle.net/2115/43204 |
| Appears in Collections: | 情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 植村 哲也
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