Elasto-optic and electro-optic studies of PZN-PT single crystals

被引:0
|
作者
Lu, Y [1 ]
Barad, Y [1 ]
Cheng, ZY [1 ]
Park, SE [1 ]
Zhang, QM [1 ]
机构
[1] Penn State Univ, Mat Res Lab, University Pk, PA 16802 USA
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The elasto/acousto-optic (A-O) and electro-optic (E-O) coefficients of Pb(Zn1/3Nb2/3)O-3-PbTiO3 (PZN-PT) single crystals with a broad composition range (i.e. PZN with 0, 4.5, 8, 10, 12 mol% PT) are reported. The A-O coefficients were studied in both hydrostatic pressure and uniaxial stress conditions at room temperature. The E-O coefficients were studied at temperatures from -20 degreesC to 80 degreesC. It is found that the crystal with the composition near the morphotropic phase boundary (MPB) exhibits very large A-O and E-O coefficients. More importantly, the E-O coefficient is nearly independent of the temperature in the studied temperature range in tetragonal side.
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页码:549 / 552
页数:4
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