Haldane gap system: Structure and magnetic properties of azido-bridged nickel complex

M. Yamashita, K. Inoue, T. Ohishi, H. Miyamae, T. Takeuchi, T. Yosida

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

A new Haldane gap compound, Ni(dmpn)2N3(ClO4) (dmpn=2,2-dimethyl-1,3-propanediamine) has been synthesized, and its structure and magnetic properties have been investigated. It has an azido-bridged linear-chain structure where each chain is separated to each other by counterions ClO4-. The Haldane gap and J value of this compound are estimated to be 21.6 K and -70.6 K, respectively. These absolute values are larger than those of Ni(en)2(NO2)(ClO4) (hereafter abbreviated as NENP) which has a NO2--bridged structure and has been extensively investigated so far.

Original languageEnglish
Pages (from-to)1961-1964
Number of pages4
JournalSynthetic Metals
Volume71
Issue number1-3
DOIs
Publication statusPublished - 1995 Apr 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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