On the Magnetic Symmetry of the Low Temperature Phase of ZnCr2O4

Isao Kagomiya; Yoshiaki Hata; Daisuke Eto; Hideto Yanagihara; Eiji Kita; Kenji Nakajima; Kazuhisa Kakurai; Masakazu Nishi; Kenji Ohoyama

doi:10.1143/jpsj.76.064710

On the Magnetic Symmetry of the Low Temperature Phase of ZnCr₂O₄

Isao Kagomiya, Yoshiaki Hata, Daisuke Eto, Hideto Yanagihara, Eiji Kita, Kenji Nakajima, Kazuhisa Kakurai, Masakazu Nishi, Kenji Ohoyama

Author information

Isao Kagomiya
Department of Physics, School of Science and Engineering, Waseda University
Yoshiaki Hata
Institute of Applied Physics, University of Tsukuba
Daisuke Eto
Department of Physics, Kyushu University
Hideto Yanagihara
Institute of Applied Physics, University of Tsukuba
Eiji Kita
Institute of Applied Physics, University of Tsukuba
Kenji Nakajima
Japan Atomic Energy Agency
Kazuhisa Kakurai
Japan Atomic Energy Agency
Masakazu Nishi
Institute for Solid State Physics, University of Tokyo
Kenji Ohoyama
Institute for Materials Research, Tohoku University

Keywords: ZnCr₂O₄, frustration, magnetic symmetry, field cooling, neutron diffraction

JOURNAL RESTRICTED ACCESS

2007 Volume 76 Issue 6 Pages 064710

DOI https://doi.org/10.1143/jpsj.76.064710

Details

Abstract

It was disclosed that both magnetic field along the ⟨111⟩ and pressure along the ⟨100⟩, applied during cooling of a ZnCr₂O₄ single crystal through T_N, affect the intensities of magnetic peaks of neutron diffraction below T_N. Magnetic field along the ⟨100⟩ axis have no effect on the magnetic intensities. This fact indicates that the magnetic symmetry of the low temperature phase of ZnCr₂O₄ is monoclinic or lower.

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