期刊
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
卷 67, 期 -, 页码 I49-U155出版社
WILEY-BLACKWELL
DOI: 10.1107/S1600536811031606
关键词
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资金
- Ministry of Education, Science and Technology [NRF-2010-0029617]
- Ajou University
- National Research Foundation of Korea (NRF)
The mixed-valent titanium phosphate, Li2Ti2(PO4)(3), has been prepared by the reactive halide flux method. The title compound is isostructural with Li2TiM(PO4)(3) (M = Fe, Cr) and Li2FeZr(PO4)(3) and has the same (3)(infinity)[Ti-2(PO4)(3)](2) framework as the previously reported Li3-xM2(PO4)(3) phases. The framework is built up from corner-sharing TiO6 octahedra and PO4 tetrahedra, one of which has 2 symmetry. The Li+ ions are located on one crystallographic position and reside in the vacancies of the framework. They are surrounded by four O atoms in a distorted tetrahedral coordination. The classical charge-balance of the title compound can be represented as Li-2(+)(Ti3+/Ti4+)(PO43-)(3).
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