NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS

Mechanical, electrical and thermal phenomena occurring in piezoelectric crystals were examined by non-linear approximation. For this purpose, use was made of the thermodynamic function of state, which describes an anisotropic body. Considered was the Gibbs function. The calculations included strain...

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Main Authors: F.Warkusz, A.Linek
Format: Article
Language:English
Published: Institute for Condensed Matter Physics 2003-01-01
Series:Condensed Matter Physics
Subjects:
Online Access:http://dx.doi.org/10.5488/CMP.6.2.333
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author F.Warkusz
A.Linek
author_facet F.Warkusz
A.Linek
author_sort F.Warkusz
collection DOAJ
description Mechanical, electrical and thermal phenomena occurring in piezoelectric crystals were examined by non-linear approximation. For this purpose, use was made of the thermodynamic function of state, which describes an anisotropic body. Considered was the Gibbs function. The calculations included strain tensor ε<sub>ij</sub>=f(σ<sub>kl</sub>,E<sub>n</sub>,T), induction vector D<sub>m</sub>=f(σ<sub>kl</sub>,E<sub>n</sub>,T) and entropy S=f(σ<sub>kl</sub>,E<sub>n</sub>,T) as function of stress σ<sub>kl</sub>, field strength E<sub>n</sub> and temperature difference T. The equations obtained apply to anisotropic piezoelectric bodies provided that the "forces" σ<sub>kl</sub>, E<sub>n</sub>, T acting on the crystal are known.
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spelling doaj.art-e1e55d49656546cb983c713709d22e542022-12-22T00:38:12ZengInstitute for Condensed Matter PhysicsCondensed Matter Physics1607-324X2003-01-016233334510.5488/CMP.6.2.333NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALSF.WarkuszA.LinekMechanical, electrical and thermal phenomena occurring in piezoelectric crystals were examined by non-linear approximation. For this purpose, use was made of the thermodynamic function of state, which describes an anisotropic body. Considered was the Gibbs function. The calculations included strain tensor ε<sub>ij</sub>=f(σ<sub>kl</sub>,E<sub>n</sub>,T), induction vector D<sub>m</sub>=f(σ<sub>kl</sub>,E<sub>n</sub>,T) and entropy S=f(σ<sub>kl</sub>,E<sub>n</sub>,T) as function of stress σ<sub>kl</sub>, field strength E<sub>n</sub> and temperature difference T. The equations obtained apply to anisotropic piezoelectric bodies provided that the "forces" σ<sub>kl</sub>, E<sub>n</sub>, T acting on the crystal are known.http://dx.doi.org/10.5488/CMP.6.2.333piezoelectric crystalsthermodynamicsanisotropic bodiestensors
spellingShingle F.Warkusz
A.Linek
NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS
Condensed Matter Physics
piezoelectric crystals
thermodynamics
anisotropic bodies
tensors
title NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS
title_full NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS
title_fullStr NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS
title_full_unstemmed NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS
title_short NON-LINEAR MECHANICAL, ELECTRICAL AND THERMAL PHENOMENA IN PIEZOELECTRIC CRYSTALS
title_sort non linear mechanical electrical and thermal phenomena in piezoelectric crystals
topic piezoelectric crystals
thermodynamics
anisotropic bodies
tensors
url http://dx.doi.org/10.5488/CMP.6.2.333
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