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Synthesis, Crystal Structure and Properties of the Strontium Vanadate Fluoride Sr 5 (VO 4 ) 3 F
Author(s) -
Zhang Fangyuan,
Zhang Fangfang,
Jing Qun,
Pan Shilie,
Yang Zhihua,
Jia Dianzeng
Publication year - 2015
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201500079
Subject(s) - vanadate , strontium , fluoride , crystal structure , spectroscopy , crystallization , thermal stability , materials science , crystallography , apatite , ion , diffuse reflectance infrared fourier transform , analytical chemistry (journal) , chemistry , mineralogy , inorganic chemistry , physics , organic chemistry , chromatography , quantum mechanics , biochemistry , photocatalysis , catalysis
The apatite‐type strontium vanadate fluoride Sr 5 (VO 4 ) 3 F was synthesized by standard solid‐state reaction method and grown by spontaneous crystallization flux method. It crystallizes in the hexagonal space group P 6 3 / m with lattice constants a = 9.988(4) Å, c = 7.415(6) Å, Z = 2. The structure consists of infinite three‐dimensional [Sr(2) 2 (VO 4 ) 3 ] 5+ framework with tunnels along the c axis, where Sr(1) 2+ and F – ions are filled. Functional groups in the structure have been identified by IR spectroscopy and the very high thermal stability up to 1400 °C has been identified by TG and DSC analyses. UV/Vis/NIR diffuse reflectance spectroscopy and first‐principle theoretical studies were also carried out to aid the understanding of optical properties and electronic structure.

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