Magnetotransport measurements of current induced effective fields in Ta/CoFeB/MgO

Chaoliang Zhang; Michihiko Yamanouchi; Hideo Sato; Shunsuke Fukami; Shoji Ikeda; Fumihiro Matsukura; Hideo Ohno

doi:10.1063/1.4859656

Magnetotransport measurements of current induced effective fields in Ta/CoFeB/MgO

Chaoliang Zhang, Michihiko Yamanouchi, Hideo Sato, Shunsuke Fukami, Shoji Ikeda, Fumihiro Matsukura, Hideo Ohno

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

We evaluate current-induced effective magnetic fields in perpendicularly magnetized Ta/CoFeB/MgO structures from the external magnetic field angle dependence of the Hall resistance. We confirm the presence of two components of effective fields. The dependence of their magnitudes on Ta thickness implies that both components are related to the spin current in Ta layer generated by the spin Hall effect.

Original language	English
Article number	262407
Journal	Applied Physics Letters
Volume	103
Issue number	26
DOIs	https://doi.org/10.1063/1.4859656
Publication status	Published - 2013 Dec 23

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "We evaluate current-induced effective magnetic fields in perpendicularly magnetized Ta/CoFeB/MgO structures from the external magnetic field angle dependence of the Hall resistance. We confirm the presence of two components of effective fields. The dependence of their magnitudes on Ta thickness implies that both components are related to the spin current in Ta layer generated by the spin Hall effect.",

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AU - Fukami, Shunsuke

AU - Ikeda, Shoji

AU - Matsukura, Fumihiro

AU - Ohno, Hideo

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