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Structure of Polymorphous Modifications of Double Sodium and Indium Phosphate

โœ Scribed by M.G. Zhizhin; V.A. Morozov; A.P. Bobylev; A.M. Popov; F.M. Spiridonov; L.N. Komissarova; B.I. Lazoryak

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
376 KB
Volume
149
Category
Article
ISSN
0022-4596

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โœฆ Synopsis

In(PO 4 ) . Their crystal structures were determined by Rietveld analysis [R wp โ€ซุโ€ฌ 7.72, R I โ€ซุโ€ฌ 3.02 ( -); R wp โ€ซุโ€ฌ 6.59, R I โ€ซุโ€ฌ 3.06 ( -)]. Indium cations occupy the X position while sodium cations occupy the X and Y positions of the -K 2 SO 4 -type structure. The PO 3ุŠ 4 tetrahedron rotation leads to a decrease in the coordination number of the Y position.

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โœ V.A. Morozov; B.I. Lazoryak; A.P. Malakho; K.V. Pokholok; S.N. Polyakov; T.P. Te ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 424 KB

The double sodium and iron phosphate Na 3 Fe(PO 4 ) 2 was synthesized and studied by the XRD method, the second harmonic generation technique, and MoK ssbauer and IR spectroscopy. The compound crystallizes into a monoclinic system (space group C2/c) with unit cell parameters a โ€ซุโ€ฌ 9.0736(2) A > , b