NMR Study on the Ru-dimer System with Valence Fluctuation

Yosuke Hosoya, Takayuki Goto, Akira Endo, Takeshi Hashimoto, Takashi Hayashita, Satoshi Iguchi, Takahiko Sasaki

Research output: Contribution to journalConference articlepeer-review

Abstract

Substituting effect of CF3 to the Ru-based binuclear complex [{RuIII(acac)2}2(μ-OEt)2], in which S = 1/2 spin dimer takes the singlet ground state have been investigated by means of the magnetic susceptibility χ and the longitudinal nuclear spin relaxation rate T1-1 of 1H/19F-NMR. In CF3-substituted complex [{RuIII(fhma)2}2(μ-OMe)2], we have observed the prominent magnetic response both in χ and T1-1. This behavior is attributed to the slight change in the Ru valence state due to the substitution.

Original languageEnglish
Pages (from-to)613-617
Number of pages5
JournalPhysics Procedia
Volume75
DOIs
Publication statusPublished - 2015
Event20th International Conference on Magnetism, ICM 2015 - Barcelona, Spain
Duration: 2015 Jul 52015 Jul 10

Keywords

  • NMR
  • quantum spin dimer system
  • valence fluctuation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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