Low temperature structural instability of tetragonal spinel Mn 3O4

Jae Ho Chung, Kee Hwan Lee, Young Sang Song, Takehito Suzuki, Takuro Katsufuji

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Tetragonal ferrimagnetic spinel Mn3O4 shows complex magnetic phase transitions due to competing antiferromagnetic interactions involving Mn2+/3+ ions with difference valences. Using magnetization and neutron diffraction measurements, we propose that its tetragonal lattice possesses an instability towards orthorhombic distortion in zero field well below TN. The direction of the observed instability suggests that the anomaly is related to lifting of the persistent geometrical frustration via spin-lattice coupling.

Original languageEnglish
Article number034707
JournalJournal of the Physical Society of Japan
Volume82
Issue number3
DOIs
Publication statusPublished - 2013 Mar

Keywords

  • Ferrimagnet
  • Geometrical frustration
  • Structural instability

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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