Antiferroelectric lattice distortion induced by ferroquadrupolar order in DyVO4

K. Kishimoto, T. Ishikura, H. Nakamura, Y. Wakabayashi, T. Kimura

研究成果: Article

8 引用 (Scopus)

抜粋

The effects of quadrupolar order on structural, magnetic, and dielectric properties have been investigated for DyVO4. Our detailed structure analysis demonstrated that the cooperative Jahn-Teller effect associated with 4f ferroquadrupolar order causes the displacement of oxygen ions surrounding a Dy ion, which makes the relative position of a V ion off-center in a VO4 tetrahedron. The lattice distortion well explains antiferroelectriclike anomalies at around the quadrupolar ordering temperature. We also report the Jahn-Teller domain control giving rise to a remarkable magnetocapacitance effect by applying a small magnetic field (∼0.1 T).

元の言語English
記事番号012103
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
82
発行部数1
DOI
出版物ステータスPublished - 2010 7 27
外部発表Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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