Valence instability and photochemical reaction at surface of strongly correlated MgTi2O4

H. Fujiwara, Y. Ishige, T. Mizokawa, T. Sasaki, M. Isobe, Y. Ueda

研究成果: Article査読

3 被引用数 (Scopus)

抄録

We have studied surface electronic structure and light illumination effect of spinel-type MgTi2O4 with Ti3+(d1) electronic configuration. Ti4+ species are found at surfaces of MgTi2O4, which show photo-induced effect similar to the Ti4+-oxide semiconductors with surface depletion layer. MgTi 2O4 with the surface Ti4+ states reacts with water for H2 emission, which is largely enhanced by light illumination.

本文言語English
論文番号022110
ジャーナルAPL Materials
1
2
DOI
出版ステータスPublished - 2013 8
外部発表はい

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

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