Magnetic behavior of a spin-1 dimer: Model system for homodinuclear nickel(II) complexes

J. Strečka, M. Jaščur, M. Hagiwara, Y. Narumi, J. Kuchár, S. Kimura, K. Kindo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Magnetic behavior of a spin-1 Heisenberg dimer is analysed in dependence on the both uniaxial single-ion anisotropy and XXZ exchange anisotropy in a zero- as well as non-zero longitudinal magnetic field. A complete set of eigenfunctions and eigenvalues of the total Hamiltonian is presented together with an exact analytical expression for the Gibbs free energy, longitudinal magnetization, longitudinal and transverse susceptibility. The obtained theoretical results are compared with the relevant experimental data of [Ni 2(Medpt)2(μ-ox)(H2O)2](ClO 4)2·2H2O (Medpt=methyl-bis(3- aminopropyl)amine).

Original languageEnglish
Pages (from-to)1828-1837
Number of pages10
JournalJournal of Physics and Chemistry of Solids
Volume66
Issue number10
DOIs
Publication statusPublished - 2005 Oct

Keywords

  • A. Organometallic compounds
  • B. Chemical synthesis
  • D. Magnetic properties
  • D. Thermodynamic properties

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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