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Synthesis and single crystal X-ray structure of the tetragonal tungsten bronze Pb0.91K1.72Li1.46Nb5O15

โœ Scribed by F. Capitelli; M. Rossi; M. Elaatmani; A. Zegzouti

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
266 KB
Volume
45
Category
Article
ISSN
0232-1300

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โœฆ Synopsis

Crystals of Pb 0.91 K 1.72 Li 1.46 Nb 5 O 15 , belonging to tetragonal tungsten bronze materials, were grown by the slow cooling technique, and characterized by means of single crystal X-ray diffraction: the structure was solved in the P4bm tetragonal space group, with the following unit cell parameters: a = 12.548(5), c = 4.042(5) ร…, V = 636.4(9) ร… 3 . The three-dimensional framework can be described as a layered structure down crystallographic axis c, with arrays of NbO 6 octahedra, whose corner sharing makes up the formation of tunnels filled up by Li, Pb and K displaying complex cation-oxygen coordinations.

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