Chemically induced ferromagnetic spin coupling: Electronic and geometric structures of chromium-oxide cluster anions, Cr2O-n (N= 1-3), studied by photoelectron spectroscopy

Kensuke Tono; Akira Terasaki; Toshiaki Ohta; Tamotsu Kondow

doi:10.1063/1.1622385

Chemically induced ferromagnetic spin coupling: Electronic and geometric structures of chromium-oxide cluster anions, Cr₂O^-_n (N= 1-3), studied by photoelectron spectroscopy

Kensuke Tono, Akira Terasaki, Toshiaki Ohta, Tamotsu Kondow

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

Photoelectron-spectroscopy experiment combined with the GGA-level DFT calculations revealed that the antiferromagnetic Cr-Cr spin coupling in Cr₂^- is altered to ferromagnetic one upon oxidation into Cr₂O_n^- (n=1-3). The ferromagnetic spin coupling originates predominantly from a superexchange-type interaction through oxygen atoms bridging the two chromium atoms.

Original language	English
Pages (from-to)	11221-11227
Number of pages	7
Journal	Journal of Chemical Physics
Volume	119
Issue number	21
DOIs	https://doi.org/10.1063/1.1622385
Publication status	Published - Dec 1 2003
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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Chemically induced ferromagnetic spin coupling: Electronic and geometric structures of chromium-oxide cluster anions, Cr₂O^-_n (N= 1-3), studied by photoelectron spectroscopy. / Tono, Kensuke; Terasaki, Akira; Ohta, Toshiaki et al.
In: Journal of Chemical Physics, Vol. 119, No. 21, 01.12.2003, p. 11221-11227.

Research output: Contribution to journal › Article › peer-review

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AB - Photoelectron-spectroscopy experiment combined with the GGA-level DFT calculations revealed that the antiferromagnetic Cr-Cr spin coupling in Cr2- is altered to ferromagnetic one upon oxidation into Cr2On- (n=1-3). The ferromagnetic spin coupling originates predominantly from a superexchange-type interaction through oxygen atoms bridging the two chromium atoms.

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Chemically induced ferromagnetic spin coupling: Electronic and geometric structures of chromium-oxide cluster anions, Cr₂O^-_n (N= 1-3), studied by photoelectron spectroscopy

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