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Powder diffraction data for the three-layer Aurivillius ceramics Bi2Sr2−xAxNb2TiO12(A=Ca,Ba,x=0,0.5,1)

Published online by Cambridge University Press:  01 March 2012

M. S. Haluska*
Affiliation:
New York State College of Ceramics at Alfred University, 2 Pine Street, Alfred, New York 14802
S. A. Speakman
Affiliation:
New York State College of Ceramics at Alfred University, 2 Pine Street, Alfred, New York 14802
S. T. Misture*
Affiliation:
New York State College of Ceramics at Alfred University, 2 Pine Street, Alfred, New York 14802
*
a)Electronic mail: [email protected]
b)Author to whom correspondence should be addressed. Electronic mail: [email protected]

Abstract

Powder diffraction data for five three-layer Aurivillius ceramics of the form Bi2Sr2−xAxNb2TiO12 (A=Ca,Ba,x=0,0.5,1) have been determined from specimens that were characterized using both X-ray and neutron diffraction. Full Rietveld analysis demonstrated that the crystals were all tetragonal (space group I4∕mmm, #139), with highly aniostropic layered structures with lattice parameters on the order of a=3.9 Å and c=33 Å, and densities on the order of 7 g∕cm3

Type
New Diffraction Data
Copyright
Copyright © Cambridge University Press 2005

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