Competition between vanadium tetramerization and trimerization in Ba 1-xSrxV13O18

M. Ikeda, T. Okuda, K. Kato, M. Takata, T. Katsufuji

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10 Citations (Scopus)

Abstract

We studied the transport, magnetic, and structural properties of Ba 1-xSrxV13O18, in which V and O ions form a sodium-chloride lattice with periodically missing sites. We found that the high-temperature insulating phase is characterized by spin-singlet V tetramers, whereas the low-temperature conducting phase is characterized by V trimers, and these two phases are competing in this series of compounds. Various properties substantially change at the phase transition between the two, indicating a drastic reconstruction of the electronic structure.

Original languageEnglish
Article number134417
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume83
Issue number13
DOIs
Publication statusPublished - 2011 Apr 13

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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