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引用次数: 0
摘要
对偏磷酸盐玻璃Ba(PO3)2样品在10hz ~ 2mhz频率和643 K ~ 750k温度范围内的电导率进行了研究。本工作的目的是利用介电弛豫光谱研究BaO改性剂对磷酸盐玻璃结构的影响，从而研究所研究材料的交流电导率、直流电导率和电模量的基本性质。根据Jonscher的普适幂律研究了直流和交流电导率的温度关系，并用KWW函数拟合了电模量虚部的实验值。直流电导活化能和电模量的估计值非常接近。
Effect of BaO modifier on the metaphosphate composition by means of conductivity and modulus representation
The sample of metaphosphate glass Ba(PO3)2 was investigated using the electrical conductivity measurements in the range of frequencies 10 Hz-2 MHz and over range of temperatures 643 K-750 K. The aim of this work is the investigation of effect BaO modifier to the structure of phosphate glass using dielectric relaxation spectroscopy which allows us study the fundamental properties of the investigated materials like ac conductivity, dc conductivity and electric modulus formalism. The temperature dependences of dc and ac conductivities were investigated in accordance with Jonscher's universal power law and experimental values of imaginary part of electric modulus were fitted by KWW function. The estimated values of activation energy for dc conduction and electric modulus are very close.
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