Orientational Contribution to the Giant Electrostriction Effect and Dielectric Permittivity in Relaxors

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A microscopic model is developed considering randomly oriented polar regions stuck to the directions of random fields or stresses. The application of an external field (stress) in this model results in a dielectric and acoustic reply connected with a polarization (strain) rotation. Polarization (strain) fluctuation contributions are also studied.
11 pages, LateX

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Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/19610

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0207374
 http://arxiv.org/abs/cond-mat/0207374

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arXiv