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Neutron powder diffraction structure and electrical properties of the defect pyrochlores Pb1.5M2O6.5 (M = Nb, Ta)

✍ Scribed by F. Beech; W.Michaela Jordan; C.R.A. Catlow; A. Santoro; B.C.H. Steele


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
847 KB
Volume
77
Category
Article
ISSN
0022-4596

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Structure Study of Bi2.5Na0.5Ta2O9 and B
✍ Stefan Borg; GΓΆran Svensson; Jan-Olov Bovin πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 526 KB

The crystal structures of Bi 2.5 Na 0.5 Ta 2 O 9 and Bi 2:5 Na m21:5 Nb m O 3mþ3 ðm ¼ 3; 4Þ have been investigated by the Rietveld analysis of their neutron powder diffraction patterns ðk¼ 1:470 ( AÞ: These compounds belong to the Aurivillius phase family and are built up by ðBi 2 O 2 Þ 2þ fluorite