Formation, properties and photoelectron spectroscopy of magnetic nanostructures

Masaharu Oshima, Masaki Mizuguchi, Kanta Ono, Hiroyuki Akinaga, Munehiro Sugiyama

研究成果: Article

6 引用 (Scopus)

抜粋

In order to realize magnetic nanocrystals for spin electronic devices, we have successfully grown MnAs and/or MnSb nanocrystals on atomically controlled GaAs(001) substrates by molecular beam epitaxy. Surface structures of sulfur- and antimony-terminated GaAs substrates are characterized by synchrotron radiation soft X-ray standing waves. Then, Mn pnictide nanocrystals are grown by super Volmer-Weber epitaxy, taking advantage of low surface energy. MnAs and/or MnSb nanocrystals grown on sulfur-terminated GaAs(001) substrates show ferromagnetic properties with size of 20-30 nm and surface density of more than 1010 cm-2 spectroscopy revealed the electronic structures of these magnetic dots.

元の言語English
ページ(範囲)165-174
ページ数10
ジャーナルJournal of Electron Spectroscopy and Related Phenomena
124
発行部数2-3
DOI
出版物ステータスPublished - 2002 1 1
外部発表Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry

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