Magnetic property of a single crystal of spin-1/2 triple-chain magnet Cu3(OH)4SO4

Yutaka Fujii, Yuya Ishikawa, Hikomitsu Kikuchi, Yasuo Narumi, Hiroyuki Nojiri, Shigeo Hara, Hirohiko Sato

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The spin-1/2 triple-chain magnet Cu3(OH)4SO4 (mineral name: antlerite) is a candidate 'idlespin' system. In order to study the phase transitions in this compound in detail, we have performed specific-heat measurements under magnetic fields up to 10 T and in the temperature range down to 1.9 K and proton nuclear magnetic resonance (1H-NMR) experiments with single crystals. We found at least three successive phase transitions at zero field around 5 K which strongly depend on the value and the direction of the applied field. Another transition around 3 K was also found. 1H-NMR spectra in a low-temperature and low-field ordered phase indicated an antiferromagnetic commensurate spin structure with at least four sublattices, which is discussed in connection with the idle-spin state. Phase diagrams show a richness of magnetic phases for this compound.

Original languageEnglish
Pages (from-to)2054-2058
Number of pages5
JournalJournal of the Korean Physical Society
Volume62
Issue number12
DOIs
Publication statusPublished - 2013 Jul

Keywords

  • Cu(OH) SO
  • Idle spin
  • NMR
  • Single crystal
  • Specific heat
  • Spin-1/2 triple chain magnet
  • Successive magnetic phase transition

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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