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Title: Ferroelectricity of Li-doped silver niobate (Ag, Li)NbO3.
Authors: Fu, Desheng
Endo, Makoto
Taniguchi, Hiroki
Taniyama, Tomoyasu
Itoh, Mitsuru
Koshihara, Shin-ya
Journal Title: Journal of physics. Condensed matter
Publisher: IOP science
Journal Volume: 23
Journal Issue: 7
Start Page: 075901
Issue Date: 2011-02-23
Rights: © 2010 IOP Publishing Ltd Printed in the UK
NDC: 428
Abstract: Phase evolution in (Ag(1-x)Li(x))NbO(3) (ALN) solid solution was investigated by the x-ray diffraction technique, dielectric and polarization measurements. It is shown that a small substitution of Ag with Li gives rise to an orthorhombic-rhombohedral structural transformation in ABO(3)-perovskite silver niobate at room temperature. Structural refinements indicate that both the A- and B-site displacements contribute to the spontaneous polarization of the ferroelectric phase with symmetry R3c. Increasing Li-concentration enhances the ferroelectric rhombohedral distortion, resulting in an increase of the para-ferroelectric phase transition temperature and the polarization of the solid solutions.
ISSN: 09538984 OPAC
E-ISSN: 1361648X OPAC
Publisher's DOI: 10.1088/0953-8984/23/7/075901   
PMID: 21411887
Journal NCID: AA10672168 OPAC ciniib
Textversion: author
Appears in Collections:30. 雑誌論文・記事(Journal Article, Article, Preprint)

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Others By: Fu, Desheng (符, 徳勝) (フ, トクショウ) -- Endo, Makoto -- Taniguchi, Hiroki -- Taniyama, Tomoyasu -- Itoh, Mitsuru -- Koshihara, Shin-ya

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