Structure and magnetic phase diagrams of multiferroic Mn 2GeO 4

Takashi Honda, Yuki Ishiguro, Hiroyuki Nakamura, Yusuke Wakabayashi, Tsuyoshi Kimura

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13 Citations (Scopus)


Crystallographic structure and magnetic phase diagrams were investigated for single crystals of multiferroic Mn 2GeO 4 showing successive magnetic transitions at T N1 = 47 K, T N2 = 17 K, and T N3 = 5:5 K. Substantial anomalies of lattice distortion were observed at the respective magnetic transition temperatures. We also found that the phase boundary at T N2 remarkably shifts by applying a magnetic field H and strongly depends on the direction of H. Possible origins of the observed phenomena are discussed from the perspective of magnetic interactions and relevant magnetostriction in Mn 2GeO 4 with the olivine structure.

Original languageEnglish
Article number103703
JournalJournal of the Physical Society of Japan
Issue number10
Publication statusPublished - 2012 Oct


  • Magnetic phase diagram
  • Magnetization
  • Magnetostriction
  • Mn GeO
  • Multiferroics
  • Olivine


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