The critical role of next-nearest-neighbor interlayer interaction in the magnetic behavior of magnetic/non-magnetic multilayers

Chung, Sunjae; Lee, Sangyeop; Yoo, Taehee; Lee, Hakjoon; Chung, J-H; Choi, M. S.; Lee, Sanghoon; Liu, X.; Furdyna, J. K.; Han, Jae-Ho; Lee, Hyun-Woo; Lee, Kyung-Jin

doi:10.1088/1367-2630/15/12/123025

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The critical role of next-nearest-neighbor interlayer interaction in the magnetic behavior of magnetic/non-magnetic multilayers

Chung, Sunjae;
Lee, Sangyeop;
Yoo, Taehee;
Lee, Hakjoon;
Chung, J-H;
... Choi, M. S.;
... Lee, Sanghoon;
외 5명

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9

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10

초록

A striking multiple-step behavior has been observed in magneto-resistance measurements during magnetization reversal in anti-ferromagnetically coupled GaMnAs/GaAs: Be multilayers. This behavior arises from the splitting of the energy degeneracy of spin configurations established by nearest-neighbor interlayer exchange coupling (NN IEC) with contribution from the next-nearest-neighbor (NNN) IEC. This observation reveals that NNN IEC plays a crucial role in the magnetic behavior of these multilayer structures.

키워드

TRILAYER STRUCTURES; EXCHANGE; MAGNETORESISTANCE; SUPERLATTICES; LAYERS; CO/RU

제목: The critical role of next-nearest-neighbor interlayer interaction in the magnetic behavior of magnetic/non-magnetic multilayers

저자: Chung, Sunjae; Lee, Sangyeop; Yoo, Taehee; Lee, Hakjoon; Chung, J-H; Choi, M. S.; Lee, Sanghoon; Liu, X.; Furdyna, J. K.; Han, Jae-Ho; Lee, Hyun-Woo; Lee, Kyung-Jin

DOI: 10.1088/1367-2630/15/12/123025

발행일: 2013-12-13

유형: Article

저널명: New Journal of Physics

권: 15

언어: ENG

출판사: IOP PUBLISHING LTD

발행국가: 영국

ISSN: P 1367-2630