首页> 外文OA文献 >Electromechanical coupling coefficient k31eff 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 k31eff for arbitrary aspect ratio resonators made of [001] and [011] poled (1−x)Pb(Mg1∕3Nb2∕3)O3–xPbTiO3 single crystals

机译:由[001]和[011]极化(1-x)Pb(Mg1 ∕ 3Nb2 ∕ 3)O3-xPbTiO3单晶制成的任意纵横比谐振器的机电耦合系数k31eff

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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 ∣k31eff∣2 decreases with G for [001] poled PMN-0.33PT but increases with G for [011] poled PMN-0.29PT.
机译:对于由[001]极化0.67Pb(Mg1 ∕ 3Nb2 ∕ 3)O3-0.33PbTiO3(PMN-0.33PT)和[011]极化0.71Pb制成的谐振器,已计算出k31eff对长宽比G = l1ll2的依赖性(Mg1 ∕ 3Nb2 ∕ 3)O3-0.29PbTiO3(PMN-0.29PT)。基于导出的统一公式,对于[001]极化PMN-0.33PT,横向机电能量转换效率∣k31eff∣2随G降低,而对[011]极化PMN-0.29PT的横向机电能量转换效率∣k31eff∣2随G增大。

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