Magnetic circular dichroism in Mn 2p core absorption of Ga1-xMnxAs

S. Ueda, S. Imada, T. Muro, Y. Saitoh, S. Suga, F. Matsukura, H. Ohno

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

We have measured the magnetic circular dichroism in the Mn 2p core absorption of ferromagnetic diluted magnetic semiconductor Ga1-xMnxAs with x = 0.025 in the Faraday configuration. The electronic structure parameters for Mn in Ga1-xMnxAs are obtained by fitting the experimental spectra on the basis of the cluster model calculation with considering the configuration interaction. The Mn 3d-As 4p hybridization and the negative weak p-d exchange constant are estimated.

Original languageEnglish
Pages (from-to)210-214
Number of pages5
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume10
Issue number1-3
DOIs
Publication statusPublished - 2001 May

Keywords

  • Diluted magnetic semiconductor
  • GaMnAs
  • MCD
  • p-d hybridization
  • XAS

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