Single-domain properties of 0.67Pb(Mg1/3Nb2/3)O3–0.33PbTiO3 single crystals under electric field bias
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- Rui Zhang
- Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802
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- Bei Jiang
- Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802
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- Wenwu Cao
- Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802
書誌事項
- 公開日
- 2003-02-03
- DOI
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- 10.1063/1.1541937
- 公開者
- AIP Publishing
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説明
<jats:p>We report a complete set of material properties of single-domain, relaxor-based 0.67Pb(Mg1/3Nb2/3)O3–0.33PbTiO3 [PMN–33%PT] single crystals. Because the single-domain state is unstable in natural conditions, a bias electric field of 0.2 MV/m was applied along the dipole direction of the rhombohedral phase during the measurements. It was found that the electromechanical coupling coefficient k33 and the piezoelectric constant d33 for single-domain PMN–33%PT are 69% and 190 pC/N, respectively. Both of them are much smaller than those of multidomain PMN–33%PT poled along [001] direction. However, the shear piezoelectric constant d15 of single-domain PMN–33%PT reaches 4100 pC/N, which is much higher than that of multidomain PMN–33%PT.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 82 (5), 787-789, 2003-02-03
AIP Publishing