Archive: 2007 - Moldavian Journal of the Physical Sciences

05 Jan 2007

2007
V. 6
1
(p.79 - 85)

Electric field influence on elasticity of crystals

Authors:

Andreev, I.; Gorohovatchi, I.

Summary:

This paper presents the results of an experimental study of how an electric ﬁeld affects the position of the plane of polarization of a transverse elastic wave and the acoustooptical interaction in the LiTaO3 crystal. It is established that an electric ﬁeld of ±1×106 V/m rotates the plane of polarization of a sound wave with frequency 580 MHz passing through 1 cm of a crystal by 2.5 degree. The variation of the resonance frequency of piezoelectric cavities subjected to a constant electric ﬁeld is also demonstrated with longitudinal vibrations in La3Ga5SiO14 crystal rods at temperatures between –60 and 80°C. For a ﬁeld of ±1,5×10 6 V/m and α = 15°, the relative change of the frequency is ±120×10 –6. It is shown that La3Ga5SiO14 crystals offer a set of physical parameters that makes them promising for electrically controlled and nonlinear acoustoelectronic devices.

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Crossref

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BibTeX

@article{ibn_3690,
author = {Andreev, I.A. and Gorohovatchi, I.},
title = {Electric field influence on elasticity of crystals
},
journal = {Moldavian Journal of the Physical Sciences},
year = {2007},
volume = {6 (1)},
pages = {79-85},
month = {Jan},
abstract = {(EN) This paper presents the results of an experimental study of how an electric ﬁeld affects the position of the plane of polarization of a transverse elastic wave and the acoustooptical interaction in the LiTaO3 crystal. It is established that an electric ﬁeld of ±1×106 V/m rotates the plane of polarization of a sound wave with frequency 580 MHz passing through 1 cm of a 
crystal by 2.5 degree. The variation of the resonance frequency of piezoelectric cavities subjected to a constant electric ﬁeld is also demonstrated with longitudinal vibrations in La3Ga5SiO14 crystal rods at temperatures between –60 and  80°C. For a ﬁeld of ±1,5×10 6
 V/m and α = 15°, the relative change of the frequency is ±120×10
–6. It is shown that La3Ga5SiO14 crystals offer a set of physical parameters that makes them promising for electrically controlled and nonlinear acoustoelectronic devices.  },
url = {https://ibn.idsi.md/vizualizare_articol/3690},
}

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crystal by 2.5 degree. The variation of the resonance frequency of piezoelectric cavities subjected to a constant electric ﬁeld is also demonstrated with longitudinal vibrations in La3Ga5SiO14 crystal rods at temperatures between –60 and  80°C. For a ﬁeld of ±1,5×10 6
 V/m and α = 15°, the relative change of the frequency is ±120×10
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Dublin Core

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<dc:description xml:lang='en'>This paper presents the results of an experimental study of how an electric ﬁeld affects the position of the plane of polarization of a transverse elastic wave and the acoustooptical interaction in the LiTaO3 crystal. It is established that an electric ﬁeld of ±1×106 V/m rotates the plane of polarization of a sound wave with frequency 580 MHz passing through 1 cm of a 
crystal by 2.5 degree. The variation of the resonance frequency of piezoelectric cavities subjected to a constant electric ﬁeld is also demonstrated with longitudinal vibrations in La3Ga5SiO14 crystal rods at temperatures between –60 and  80°C. For a ﬁeld of ±1,5×10 6
 V/m and α = 15°, the relative change of the frequency is ±120×10
–6. It is shown that La3Ga5SiO14 crystals offer a set of physical parameters that makes them promising for electrically controlled and nonlinear acoustoelectronic devices.  </dc:description>
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