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Mie Marsilius, Josh Frederick, Wei Hu, Xiaoli Tan, Torsten Granzow and Pengdi Han Mechanical Confinement: An Effective Way of Tuning Properties of Piezoelectric Crystals Advanced Functional Materials 22

Version of Record online: 16 DEC 2011 | DOI: 10.1002/adfm.201101301

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Dramatic changes are seen in the polarization vs. electric field hysteresis loops recorded from Pb(Mg1/3Nb2/3)O3− PbTiO3 PMN–PT piezoelectric single crystals under uniaxial as well as radial compressive pre-stresses. The results demonstrate a general and effective approach to overcome the drawback of low coercive fields in these relaxor-based ferroelectric crystals, which could help facilitate widespread implementation of these piezocrystals in engineering devices.

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