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Identification of the morphotropic phase boundary in the lead scandium tantalate–lead titanate solid solution system

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Abstract

A morphotropic phase boundary between rhombohedral and tetragonal phase regions has been identified to lie in the composition range x=0.4–0.45 by means of X-ray diffraction, and dielectric, pyroelectric, and piezoelectric measurements. Some curvature to this boundary at high temperatures is indicated in the temperature dependences of the dielectric constants and pyroelectric coefficients of poled specimens.

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  1. Materials Research Laboratory, The Pennsylvania State University, University Park, PA, 16802, USA

    J. R Giniewicz, A. S Bhalla & L. E Cross

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  1. J. R Giniewicz
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  2. A. S Bhalla
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  3. L. E Cross
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Giniewicz, J.R., Bhalla, A.S. & Cross, L.E. Identification of the morphotropic phase boundary in the lead scandium tantalate–lead titanate solid solution system. Journal of Materials Science 32, 2249–2253 (1997). https://doi.org/10.1023/A:1018516031468

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  • DOI: https://doi.org/10.1023/A:1018516031468

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