Spin-reorientation transition in SrNdFeO4

Shigeaki Oyama, Makoto Wakeshima, Yukio Hinatsu, Kenji Ohoyama

研究成果: Article査読

6 被引用数 (Scopus)


The spin-reorientation transition of layered perovskite oxide SrNdFeO4 has been investigated through powder x-ray and neutron diffraction, magnetic susceptibility, specific heat and 57Fe Mössbauer spectrum measurements. This oxide presents tetragonal symmetry (space group: I4/mmm) and the FeO6 octahedron is axially distorted. Through its magnetic susceptibility and specific heat measurements, two magnetic anomalies were found at around 15 and 36 K. From 57Fe Mössbauer spectra and neutron diffraction profiles of SrNdFeO4, it has been elucidated that the anomalies observed at 15 and 36 K correspond to the antiferromagnetic ordering of the Nd3+ ion and a change in the direction of magnetic moment of the Fe3+ ion, respectively. The magnetic structures above and below the spin-reorientation transition temperature were determined. The spin-reorientation transition observed in SrNdFeO4 has been induced by the onset of local magnetic interactions between the neodymium and iron sublattices.

ジャーナルJournal of Physics Condensed Matter
出版ステータスPublished - 2004 3 17

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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