Dynamical valence fluctuation at the charge-density-wave phase boundary in iodide-bridged Pt compound [Pt(chxn)2I]I2

Shinya Takaishi, Daisuke Kawakami, Masahiro Yamashita, Mari Sasaki, Takashi Kajiwara, Hitoshi Miyasaka, Ken Ichi Sugiura, Yusuke Wakabayashi, Hiroshi Sawa, Hiroyuki Matsuzaki, Hideo Kishida, Hiroshi Okamoto, Harutaka Watanabe, Hisaaki Tanaka, Kazuhiro Marumoto, Hiroshi Ito, Shin Ichi Kuroda

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22 Citations (Scopus)

Abstract

We synthesized a novel iodo-bridged linear chain platinum compound, having the quasi-two-dimensional charge-density-wave (CDW) ground state and the smallest band gap. In this compound, we discovered an anomalous valence state in the boundary region at which the CDW phase alternates in the crystal by means of ESR, X-ray diffuse scattering, STM, and electrical resistivity. This anomalous state can be explained by the fast fluctuation between Pt IV⋯I⋯PtII and Pt II⋯I⋯PtIV in the double well potential. This is the first observation of the dynamical fluctuation of the CDW phase among the quasi one-dimensional halogen-bridged complexes.

Original languageEnglish
Pages (from-to)6420-6425
Number of pages6
JournalJournal of the American Chemical Society
Volume128
Issue number19
DOIs
Publication statusPublished - 2006 May 17

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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    Takaishi, S., Kawakami, D., Yamashita, M., Sasaki, M., Kajiwara, T., Miyasaka, H., Sugiura, K. I., Wakabayashi, Y., Sawa, H., Matsuzaki, H., Kishida, H., Okamoto, H., Watanabe, H., Tanaka, H., Marumoto, K., Ito, H., & Kuroda, S. I. (2006). Dynamical valence fluctuation at the charge-density-wave phase boundary in iodide-bridged Pt compound [Pt(chxn)2I]I2. Journal of the American Chemical Society, 128(19), 6420-6425. https://doi.org/10.1021/ja060193b