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

Sang Hoon Lee, Sunjae Chung, Sangyeop Lee, Taehee Yoo, Hakjoon Lee, Jaiho Chung, Mahn-Soo Choi, X. Liu, J. K. Furdyna, Jae Ho Han, Hyun Woo Lee, Kyoung Jin Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A striking multiple-step behavior has been observed in magnetoresistance 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.

Original languageEnglish
Article number123025
JournalNew Journal of Physics
Volume15
DOIs
Publication statusPublished - 2013 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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