Crystal structure and dielectric and magnetic properties of BiCrO 3 as a ferroelectromagnet

S. Niitaka; M. Azuma; M. Takano; E. Nishibori; M. Takata; M. Sakata

doi:10.1016/j.ssi.2004.01.060

Crystal structure and dielectric and magnetic properties of BiCrO ₃ as a ferroelectromagnet

S. Niitaka, M. Azuma, M. Takano, E. Nishibori, M. Takata, M. Sakata

Research output: Contribution to journal › Article › peer-review

107 Citations (Scopus)

Abstract

We have investigated crystal structure, dielectric and magnetic properties of BiCrO₃. The structure of BiCrO₃ at room temperature is a highly distorted perovskite-type one with monoclinic C2 symmetry which is the same as that of the ferroelectric phase in BiMnO₃. BiCrO₃ undergoes a structural phase transition from orthorhombic Pnma with centrosymmetry to monoclinic C2 without centrosymmetry at 440 K. It accompanies a dielectric anomaly, implying a ferroelectric transition. BiCrO₃ exhibits a parasitic ferromagnetism at 114 K.

Original language	English
Pages (from-to)	557-559
Number of pages	3
Journal	Solid State Ionics
Volume	172
Issue number	1-4 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.ssi.2004.01.060
Publication status	Published - 2004 Aug 31
Externally published	Yes

Keywords

Bi-contained perovskite
BiCrO
Ferroelectromagnet
Noncentrosymmetric structure
Parasitic ferromagnetism

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1016/j.ssi.2004.01.060

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title = "Crystal structure and dielectric and magnetic properties of BiCrO 3 as a ferroelectromagnet",

abstract = "We have investigated crystal structure, dielectric and magnetic properties of BiCrO3. The structure of BiCrO3 at room temperature is a highly distorted perovskite-type one with monoclinic C2 symmetry which is the same as that of the ferroelectric phase in BiMnO3. BiCrO3 undergoes a structural phase transition from orthorhombic Pnma with centrosymmetry to monoclinic C2 without centrosymmetry at 440 K. It accompanies a dielectric anomaly, implying a ferroelectric transition. BiCrO3 exhibits a parasitic ferromagnetism at 114 K.",

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T1 - Crystal structure and dielectric and magnetic properties of BiCrO 3 as a ferroelectromagnet

AU - Niitaka, S.

AU - Azuma, M.

AU - Takano, M.

AU - Nishibori, E.

AU - Takata, M.

AU - Sakata, M.

PY - 2004/8/31

Y1 - 2004/8/31

N2 - We have investigated crystal structure, dielectric and magnetic properties of BiCrO3. The structure of BiCrO3 at room temperature is a highly distorted perovskite-type one with monoclinic C2 symmetry which is the same as that of the ferroelectric phase in BiMnO3. BiCrO3 undergoes a structural phase transition from orthorhombic Pnma with centrosymmetry to monoclinic C2 without centrosymmetry at 440 K. It accompanies a dielectric anomaly, implying a ferroelectric transition. BiCrO3 exhibits a parasitic ferromagnetism at 114 K.

AB - We have investigated crystal structure, dielectric and magnetic properties of BiCrO3. The structure of BiCrO3 at room temperature is a highly distorted perovskite-type one with monoclinic C2 symmetry which is the same as that of the ferroelectric phase in BiMnO3. BiCrO3 undergoes a structural phase transition from orthorhombic Pnma with centrosymmetry to monoclinic C2 without centrosymmetry at 440 K. It accompanies a dielectric anomaly, implying a ferroelectric transition. BiCrO3 exhibits a parasitic ferromagnetism at 114 K.

KW - Bi-contained perovskite

KW - BiCrO

KW - Ferroelectromagnet

KW - Noncentrosymmetric structure

KW - Parasitic ferromagnetism

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