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Ordering in BaMg1/3Ta1/3Nb1/3O3 ceramics: An X-ray Rietveld analysis
G. Sreenivasa Murthy, E. D. Dias, Vemuri Rama Krishna Murthy
Published in
2006
Volume: 51
   
Issue: 2
Pages: 231 - 235
Abstract
Structure analysis of polycrystalline BaMg1/3Ta 1/3Nb1/3O3 ceramics has been carried out using the Rietveld technique, wherein the B cations (Mg, Ta, and Nb) have the same occupancy with a size difference and charge imbalance. The compound has an ordered trigonal structure as well as a disordered cubic phase depending on the preparation temperature. The weight percentage of the ordered phase is found to increase with a rise in the calcination temperature. © Pleiades Publishing, Inc., 2006.
About the journal
JournalCrystallography Reports
ISSN10637745
Open AccessNo
Concepts (8)
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    BARIUM COMPOUNDS
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    Calcination
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    Crystal structure
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    Polycrystalline materials
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    PREPARATION TEMPERATURE
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    Rietveld analysis
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    Structure analysis
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    Ceramic materials