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Pressure-induced neutral-ionic transition of organic CT crystals

Authors
Journal
Physica B Condensed Matter
0921-4526
Publisher
Elsevier
Publication Date
Volume
239
Identifiers
DOI: 10.1016/s0921-4526(97)00404-3
Keywords
  • Interdisciplinary Studies

Abstract

Abstract Neutral-ionic (NI) transition was observed in three CT crystals of TTF and tetrahalo- p-benzoquinones with 2:1 compositions. Two acceptor sites of different ionicities were observed in all the complexes above the transition pressure (ca. 2.0 GPa). This result suggests that a couple of TTF-quinone-TTF trimers behave cooperatively in the NI transition.

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