Electrical inhomogeneity at the Mott transition in the band width controlled κ-(BEDT-TTF) 2Cu[N(CN) 2Br

T. Sasaki, N. Yoneyama, A. Suzuki, I. Ito, N. Kobayashi, Y. Ikemoto, H. Kimura, N. Hanasaki, H. Tajima

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4 Citations (Scopus)

Abstract

The electronic phase separation on macroscopic scale is studied in the organic Mott system κ-(BEDT-TTF) 2Cu[N(CN) 2 ]Br by means of scanning microregion infrared spectroscopy using the synchrotron radiation. The phase separation appears in the vicinity of the Mott boundary in the single crystals of which the band width is controlled by partly substituting the BEDT-TTF molecule with the deuterated one. The transport properties under the phase separation are considered to be influenced by the percolation process of the domains.

Original languageEnglish
Pages (from-to)377-382
Number of pages6
JournalJournal of Low Temperature Physics
Volume142
Issue number3-4
DOIs
Publication statusPublished - 2006 Feb

Keywords

  • 71.30.+h
  • 74.70.Kn
  • 78.30.Jw

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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