BiScO3: centrosymmetric BiMnO3-type oxide.
J Am Chem Soc
; 128(3): 706-7, 2006 Jan 25.
Article
em En
| MEDLINE
| ID: mdl-16417345
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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En
Ano de publicação:
2006
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Article