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The modulus of dielectric and conductive materials and its modification by high electric fields

机译:介电和导电材料的模量及其在高电场中的改性

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摘要

An alternative to measuring dielectric polarization or conductivity in the time domain under the usual constant. field conditions is to record the voltage at constant charge. In this case the voltage is proportional to the dielectric modulus M(t), defined in the frequency domain via M*(omega) = 1/epsilon*(omega). The method allows the measurement of dynamics at extremely long times, while electrode polarization (EP) effects remain small in M(t) signals. Dielectric hole-burning on vitreous ionic conductors and the elimination of EP can be achieved by combining the modulus technique with a preceeding high sinusoidal electric field. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 25]
机译:在常规常数下在时域中测量电介质极化或电导率的一种替代方法。现场条件是记录恒定电荷下的电压。在这种情况下,电压与介电模量M(t)成正比,介电模量M(t)在频域中通过M *ω= 1 /ε*ω定义。该方法可以在非常长的时间内进行动态测量,而电极极化(EP)效应在M(t)信号中仍然很小。通过将模量技术与先前的高正弦电场相结合,可以在玻璃态离子导体上进行介电孔烧蚀并消除EP。 (C)2002 Elsevier Science B.V.保留所有权利。 [参考:25]

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