Neutron diffraction and X-ray absorption spectroscopic analyses for lithiated Aurivillius-type layered perovskite oxide, Li2Bi4Ti3O12

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The chemical lithiation of Aurivillius-type layered perovskite oxide, Bi4Ti3O12 (BTO), was demonstrated for the first time. The crystal and electronic structures of the lithiated BTO were characterized by neutron diffaction and X-ray absorption spectroscopic analyses. According to the neutron diffaction studies, it has been found that the lithium atoms are positioned between a perovskite block and a Bi2O2 layer. From the Bi L-III- and Ti K-edge XANES/EXAFS analyses, it has been found that significant amounts of Bi and Ti cations are reduced due to the Li-intercalation, and that the local structure around Ti becomes more distorted.
Publisher
AMER CHEMICAL SOC
Issue Date
2001-08
Language
English
Article Type
Article
Keywords

VALENCE; MULTILAYERS; FILMS

Citation

JOURNAL OF PHYSICAL CHEMISTRY B, v.105, no.33, pp.7908 - 7912

ISSN
1089-5647
DOI
10.1021/jp010895h
URI
http://hdl.handle.net/10203/255933
Appears in Collection
NT-Journal Papers(저널논문)
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