k31eff<'/> Electromechanical coupling coefficient ... formula ... for arbitrary aspect ratio resonators made of 001 and 011 poled (1−x)Pb(Mg1∕3Nb2∕3)O3–xPbTiO3 single crystals
首页> 美国卫生研究院文献>Journal of Applied Physics >Electromechanical coupling coefficient ... formula ... for arbitrary aspect ratio resonators made of 001 and 011 poled (1−x)Pb(Mg1∕3Nb2∕3)O3–xPbTiO3 single crystals
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Electromechanical coupling coefficient ... formula ... for arbitrary aspect ratio resonators made of 001 and 011 poled (1−x)Pb(Mg1∕3Nb2∕3)O3–xPbTiO3 single crystals

机译:001和011极化(1-x)Pb(Mg1 ∕ 3Nb2 ∕ 3)O3-xPbTiO3单晶制成的任意长宽比谐振器的机电耦合系数...

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摘要

The dependence of k31eff on the aspect ratio G=l1∕l2 has been calculated for resonators made of [001] poled 0.67Pb(Mg1∕3Nb2∕3)O3–0.33PbTiO3 (PMN-0.33PT) and [011] poled 0.71Pb(Mg1∕3Nb2∕3)O3–0.29PbTiO3 (PMN-0.29PT). Based on the derived unified formula, the lateral electromechanical energy conversion efficiency k31eff2 decreases with G for [001] poled PMN-0.33PT but increases with G for [011] poled PMN-0.29PT.
机译: k 31 eff 对于由[001]极化0.67Pb(Mg1 ∕ 3Nb2 ∕ 3)O3-0.33PbTiO3(PMN-0.33PT)和[011]极化0.71Pb(Mg1 ∕ 3Nb2 ∕ 3制成的谐振器,已计算出纵横比G = l1 ∕ l2 )O3-0.29PbTiO3(PMN-0.29PT)。基于导出的统一公式,横向机电能量转换效率 k 31 eff 2 随G减小,而对于[011]极化PMN-0.29PT,G随ms增大。

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