Diluted magnetic iii-v semiconductors and its transport properties

研究成果: Article査読

抄録

A new class of diluted magnetic semiconductor (DMS) based on III-V compounds and its transport properties are presented. While the new DMS, (In, Mn)As, films exhibiting n-type conduction were all paramagnetic with the Mn-Mninteraction being antiferromagnetic, ferromagnetic interaction between the Mn ions in p-type films manifested itself inthe hysteresis in the magnetic field dependence of the Hall resistivity at low temperatures, indicating the presence of ferromagnetic order. This ferromagnetic order was accompanied by paramagnetic response extending to high magneticfields. The coexistence of remanent magnetization and unsaturated spins (partial ferromagnetic order; asperomagnet-ism) can be explained by the formation of bound magnetic polarons with partially aligned spins. The ferromagneticorder observed in the (In, Mn)As based heterojunctions is also discussed.

本文言語English
ページ(範囲)459-461
ページ数3
ジャーナルJapanese journal of applied physics
32
S3
DOI
出版ステータスPublished - 1993 1
外部発表はい

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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