Photoemission study of quasi-one-dimensional halogen-bridged compound [Ni(chxn)2Br]Br2

Shin Ichi Fujimori, Akihiro Ino, Testuo Okane, Atsushi Fujimori, Kozo Okada, Toshio Manabe, Masahiro Yamashita, Hideo Kishida, Hiroshi Okamoto

Research output: Contribution to journalArticlepeer-review


We report results of the angle-resolved photoemission experiments on a quasi-one-dimensional halogen-bridged complex [Ni(chxn)2Br]Br2 (chxn = 1R, 2R-cyclohexanediamine), which is a one-dimensional Heisenberg spin chain with S = 1/2 and J ∼ 3600 K. The expected two dispersions, originated with spin-charge separations as have been observed in other quasi-one-dimensional electron systems like Sr2CuO3, are not clearly observed in this compound. Instead, only one "band" having about 0.5 eV energy dispersion is found in the half of the Brillouin zone.

Original languageEnglish
Pages (from-to)1065-1069
Number of pages5
JournalSurface Review and Letters
Issue number2
Publication statusPublished - Apr 2002

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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