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Integrated Ferroelectrics
An International Journal
Volume 63, 2004 - Issue 1
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Original Articles

Role of Microheterogeneity in Poled 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 Crystals

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Pages 3-7 | Received 01 Aug 2003, Accepted 01 Jan 2004, Published online: 11 Aug 2010
 

Abstract

Temperature dependent dielectric constant measurements have been performed on ⟨001⟩ oriented 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 crystals. These investigations have revealed an irreversible secondary transformation between a normal ferroelectric state and a relaxor ferroelectric state with increasing temperature. The results demonstrate that the anisotropy of the high performance piezocrystal state is only locked in under application of field.

ACKNOWLEDGEMENTS

This work was supported by the Office of Naval Research under grants N000140210340, N000140210126, and MURI N000140110761.

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