Chemical control of magnetism: Oxidation-induced ferromagnetic spin coupling in the chromium dimer evidenced by photoelectron spectroscopy

Kensuke Tono, Akira Terasaki, Toshiaki Ohta, Tomatsu Kondow

研究成果: Contribution to journalArticle査読

39 被引用数 (Scopus)

抄録

Photoelectron spectroscopy and DFT calculation revealed that the antiferromagnetic spin coupling of the Cr-Cr pair in Cr2- (S=1/2) is changed to be ferromagnetic by the oxidation of Cr2- into Cr2O- (S=9/2). The ferromagnetic coupling was induced, as the major case, due to the hybridization of Cr 3d with 0 2p orbitals and, as the minor cause, by the direct Cr-Cr exchange in interaction with the interatomic distance elongated by the oxidation.

本文言語英語
ジャーナルPhysical Review Letters
90
13
出版ステータス出版済み - 4 4 2003
外部発表はい

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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