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Synthesis and Characterization of New Apatite-Related Phosphates

โœ Scribed by G. Buvaneswari; U.V. Varadaraju

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

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โœฆ Synopsis

New phosphates of the formula M 3ุ‰ M 2ุ‰ 4 (PO 4 ) 3 O (M 3ุ‰ โ€ซุโ€ฌ Bi and La; M 2ุ‰ โ€ซุโ€ฌ Ca and Sr) are synthesized. The compounds are isostructural with bismuth calcium vanadate, BiCa 4 (VO 4 ) 3 O. A nonlinear increase in both the a and c lattice parameters with an increase in strontium content in the solid solution BiCa 4ุŠx Sr x (PO 4 ) 3 O (x โ€ซุโ€ฌ 1+4) is observed. The compounds are characterized by infrared spectroscopy.

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