Magnetic properties of Mn2Sb1-xGex (0.05 ≤ x ≤ 0.2) in high magnetic fields

Daisuke Shimada, Hiroki Orihashi, Daisuke Mitsunaga, Masakazu Ito, Masahiko Hiroi, Keiichi Koyama, Reisho Onodera, Kohki Takahashi, Kazuyuki Matsubayashi, Yoshiya Uwatoko

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Magnetization and electrical resistivity measurements were carried out for polycrystalline Mn2Sb1-xGex (0.05 ≤ x ≤ 0.2) in magnetic fields up to 16 T in the 4.2 - 600 K temperature range in order to investigate the magnetic and the electrical properties under high magnetic fields. Mn2Sb0.92Ge0.08 showed a Curie temperature, T C, of 532 K and a first order magnetic transition from a ferrimagnetic (FRI) to an antiferromagnetic (AFM) phase at T t = 230 K with decreasing temperature in a zero magnetic field. With increasing x, T C decreased and T t increased. For Mn2Sb0.92Ge0.08, a matamagnetic transition from an AFM to a FRI phase was observed at 215 K. The magnetic phase diagram of Mn2Sb1-xGex is presented.

Original languageEnglish
Pages (from-to)747-750
Number of pages4
JournalJournal of the Korean Physical Society
Issue number3
Publication statusPublished - 2013 Aug


  • First-order transition
  • Magnetic properties
  • MnSb


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