Magnetic susceptibility and specific heat of a spinel MnV2O 4 single crystal

Myung Whun Kim*, J. S. Kim, T. Katsufuji, R. K. Kremer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


We investigated the magnetic and the thermodynamic properties of a spinel MnV2O4 single crystal. The magnetization and susceptibility show the signature of ferromagnetic ordering at ~61 K. A sharp peak in the magnetization and the specific heat indicate the structural phase transition at 58 K, consistent with the scattering experiments. The specific-heat data exhibits the signature of double transitions. In addition to the higher-temperature transition at TS, the second transition occurs at a lower temperature T⊃*, which divides the phase below T S into a low-magnetic-field and a high-magnetic-field phase. Based on the magnetic susceptibility and the specific heat, a wide-range temperature and magnetic-field phase diagram was constructed. The low-magnetic-field phase shows the characteristics of a spin-glass-like state. A comparison with the magnetic and thermodynamic characteristics of similar materials suggests that the low temperature and low-magnetic-field, spin-glass-like phase in MnV 2O4 may originate from the competition between the interchain and the intrachain exchange interaction owing to the fluctuating V-ion orbitals.

Original languageEnglish
Article number024403
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number2
Publication statusPublished - 2011 Jan 19

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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