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Field Induced Dielectric Properties of 0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3 Thin Films

机译:0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3薄膜的场致介电性能

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DC electric field induced dielectric properties of 0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3 (PMN-PT) thin films were studied as a function of frequency at different temperatures. It was observed that the dielectric constant (ε) and dissipation factor (tanδ) were decreased in presence of bias field. The temperature of dielectric maxima was found to increase with increasing bias level. The low temperature (
机译:研究了直流电场诱导的0.7Pb(Mg_(1/3)Nb_(2/3))O_3-0.3PbTiO_3(PMN-PT)薄膜的介电特性随频率在不同温度下的变化。观察到,在存在偏置场的情况下,介电常数(ε)和耗散因数(tanδ)降低。发现电介质最大值的温度随偏置水平的增加而增加。直流偏压的施加抑制了介电常数的低温(

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