Manifestation of the double-exchange interaction in the Mössbauer spectrum of mixed-valence systems

V. Coropceanu; J. L. Brédas; H. Winkler; A. X. Trautwein

doi:10.1063/1.1467906

Manifestation of the double-exchange interaction in the Mössbauer spectrum of mixed-valence systems

V. Coropceanu, J. L. Brédas, H. Winkler, A. X. Trautwein

Chemistry and Biochemistry

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Abstract

The dependence of the Mossbauer line shape on the double-exchange interaction was studied for dimeric mixed-valence systems. The coherent tunneling motion of the excess electron between the metal sites produced a resonance splitting of the localized states. In the case of weak interactions, this motion splitted the Mossbauer lines. An asymmetry distortion suppressed this effect by destroying the resonance conditions.

Original language	English (US)
Pages (from-to)	8152-8158
Number of pages	7
Journal	Journal of Chemical Physics
Volume	116
Issue number	18
DOIs	https://doi.org/10.1063/1.1467906
State	Published - May 8 2002

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1063/1.1467906

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abstract = "The dependence of the Mossbauer line shape on the double-exchange interaction was studied for dimeric mixed-valence systems. The coherent tunneling motion of the excess electron between the metal sites produced a resonance splitting of the localized states. In the case of weak interactions, this motion splitted the Mossbauer lines. An asymmetry distortion suppressed this effect by destroying the resonance conditions.",

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AU - Trautwein, A. X.

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AB - The dependence of the Mossbauer line shape on the double-exchange interaction was studied for dimeric mixed-valence systems. The coherent tunneling motion of the excess electron between the metal sites produced a resonance splitting of the localized states. In the case of weak interactions, this motion splitted the Mossbauer lines. An asymmetry distortion suppressed this effect by destroying the resonance conditions.

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Manifestation of the double-exchange interaction in the Mössbauer spectrum of mixed-valence systems

Abstract

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