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

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

*Corresponding author for this work
9 Citations (Scopus)

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 languageEnglish
JournalJournal of Chemical Physics
Volume116
Issue number18
Pages (from-to)8152-8158
Number of pages7
ISSN0021-9606
DOIs
Publication statusPublished - 08.05.2002

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