Electronic structure analysis of Mn- and Fe-codoped In 2O 3 by photoemission yield measurements

Daisuke Yamashita, Tsuyoshi Yoshioka, So Nishida, Tomoyuki Yamamoto

研究成果: Article

3 引用 (Scopus)


The valence band electronic structures of Mn- and/or Fe-doped In 2O 3, i.e., In 2O 3:Mn, In 2O 3:Fe, and In 2O 3:(Mn, Fe), are investigated by photoemission yield measurements. Significant changes are observed in the threshold energy of photoemission, depending on the doped magnetic ions, which indicates that an additional occupied band appears above the top of the valence band of In 2O 3 owing to doping with Mn and/or Fe ions. It is confirmed that the order of the threshold energies of photoemission, E PET, is E PET(In 2O 3:Mn)<E PET(In 2O 3:(Mn, Fe))<E PET(In 2O 3:Fe)<E PET(In 2O 3). To gain a better understanding of these results, first-principles molecular orbital calculations are also carried out, which successfully explain the observed changes in the photoemission threshold energies.

ジャーナルPhysica B: Condensed Matter
出版物ステータスPublished - 2012 11 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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