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. 2006 Jan 25;128(3):706-7.
doi: 10.1021/ja057574u.

BiScO3: centrosymmetric BiMnO3-type oxide

Alexei A Belik  1 , Satoshi Iikubo, Katsuaki Kodama, Naoki Igawa, Shin-ichi Shamoto, Makoto Maie, Takuro Nagai, Yoshio Matsui, Sergey Yu Stefanovich, Bogdan I Lazoryak, Eiji Takayama-Muromachi
Affiliations

BiScO3: centrosymmetric BiMnO3-type oxide

Alexei A Belik et al. J Am Chem Soc. .

Abstract

With neutron powder diffraction, electron diffraction, and second-harmonic generation, we have shown that BiScO3 has a structure closely related to that of multiferroic BiMnO3, but BiScO3 crystallizes in the centrosymmetric space group of C2/c. These results bring up a question about the origin of ferroelectricity in BiMnO3. BiScO3 may serve as a model system to understand the role of Mn3+ ions in the ferroelectricity of BiMnO3.

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