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Synthesis and Unit Cell Parameter Refinement of 25 Tungsten Bronze Ferroelectrics

Published online by Cambridge University Press:  10 January 2013

Lauren A. Zellmer,
Deane K. Smith,
Diane Nelson and
Barry E. Scheetz
Lauren A. Zellmer
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802, U.S.A.
Deane K. Smith
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802, U.S.A.
Diane Nelson
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802, U.S.A.
Barry E. Scheetz
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802, U.S.A.
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Abstract

Synthesis and unit cell parameter refinement of 25 ferroelectric compounds with the tungsten bronze structure are reported. A general chemical formula for these compounds is (A1, A2, C) B10 O30, where specifically A1 and A2 = K, Na, Ba, Sr, Pb, La, Eu, Sm, Y, Bi; C = Li; and B = Nb, Ta, Ti, W. All compounds were prepared by solid state sintering at temperatures ranging from 1100°C to 1380°C. Refined cell parameters (tetragonal with space group P4bm[100]), I/Icor values, calculated densities and Z values are included for the 25 compounds.

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Type
Research Article
Information
Powder Diffraction , Volume 3 , Issue 4 , December 1988, pp. 222 - 233
Copyright
Copyright © Cambridge University Press 1988

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