Electrical manipulation of magnetization reversal in a ferromagnetic semiconductor

D. Chiba, H. Yamanouchi, F. Hatsukura, H. Ohno

Research output: Contribution to journalArticlepeer-review

544 Citations (Scopus)

Abstract

We report electrical manipulation of magnetization processes in a ferromagnetic semiconductor, in which low-density carriers are responsible for the ferromagnetic interaction. The coercive force HC at which magnetization reversal occurs can be manipulated by modifying the carrier density through application of electric fields in a gated structure. Electrically assisted magnetization reversal, as well as electrical demagnetization, has been demonstrated through the effect. This electrical manipulation offers a functionality not previously accessible in magnetic materials and may become useful for reversing magnetization of nanoscale bits for ultrahigh-density information storage.

Original languageEnglish
Pages (from-to)943-945
Number of pages3
JournalScience
Volume301
Issue number5635
DOIs
Publication statusPublished - 2003 Aug 15

ASJC Scopus subject areas

  • General

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