材料科学
电介质
活化能
电阻率和电导率
电导率
分析化学(期刊)
介电常数
硫系化合物
介电损耗
大气温度范围
光电子学
物理化学
热力学
化学
电气工程
物理
工程类
色谱法
作者
I. Zamaraite,A. Dziaugys,J. Banys,Yulian M. Vysochanskii
标识
DOI:10.1080/00150193.2017.1360098
摘要
The dielectric properties of newly synthesized AgCrP2S6 and Cu0.2Ag0.8CrP2S6 phosphorous chalcogenide crystals are presented. The measurements were performed in the frequency and temperature ranges 20 Hz to 1 MHz and 110 K to 470 K, respectively. No anomalies of complex dielectric permittivity indicating the polar phase transition can be detected in the measured temperature range. Dielectric spectra at high temperatures are mostly influenced by the electrical conductivity. From DC conductivity the activation energies have been calculated and compared with CuCrP2S6. The activation energies of the conductivity were found to be 1.26 eV and 0.75 eV for AgCrP2S6 and Cu0.2Ag0.8CrP2S6, respectively.
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