First principles study on interfacial electronic structures in exchange-spring magnets

Yuta Toga, Hiroshi Moriya, Hiroki Tsuchiura, Akimasa Sakuma

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

We study the magnetic properties of Nd2Fe14B/α- Fe multilayer systems, especially the exchange coupling between the two layers and the crystal field parameters A02r2 for the Nd ions located around the interfaces, based on first principles calculations. We find that the exchange coupling depends on the Miller indices of the crystallographic planes at the interface, and can be negative which favors anti-parallel alignment of the magnetizations of the hard- and soft-magnet layers.

Original languageEnglish
Article number012046
JournalJournal of Physics: Conference Series
Volume266
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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