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Ag3AsS3-As2S3 composite: Detailed impedance spectroscopy study
Solid State Ionics ( IF 3.0 ) Pub Date : 2022-06-14 , DOI: 10.1016/j.ssi.2022.115971
V. Kavaliukė , T. Šalkus , A. Kežionis , M.M. Pop , I.P. Studenyak

The 90% Ag3AsS3-10 % As2S3 composite and Proustite (Ag3AsS3) were investigated by impedance spectroscopy. Electrical properties of single crystal Proustite were investigated by 2 and 4 probe methods in the frequency range 10 Hz to 2 MHz and in the temperature interval from 300 K up to 480 K. The 90% Ag3AsS3-10 % As2S3 composite was investigated by 2 electrode method in the frequency range 10 Hz to 3 GHz and in the temperature interval from 300 K up to 400 K. Equivalent circuit explaining electrical conductivity mechanism in Ag3AsS3-As2S3 composite, taking in to account possible microstructure of the obtained sample and the interrelation of the composite constituents, was proposed. It was suggested that overall electrical conductivity of Ag3AsS3-As2S3 composite can be increased by small amount of As2S3, which gets doped with Ag+ ions from Ag3AsS3.



中文翻译:

Ag3AsS3-As2S3 复合材料:详细的阻抗谱研究

通过阻抗谱研究了90% Ag 3 AsS 3 -10% As 2 S 3复合材料和普鲁斯特(Ag 3 AsS 3 )。在 10 Hz 至 2 MHz 的频率范围和 300 K 至 480 K 的温度区间内,通过 2 和 4 探针方法研究了单晶普鲁斯特的电性能。 90% Ag 3 AsS 3 -10 % As 2 S 3复合材料通过 2 电极法在 10 Hz 至 3 GHz 的频率范围和 300 K 至 400 K 的温度区间内进行了研究。解释 Ag 3 AsS 3中导电机制的等效电路-作为2 S 3复合材料,考虑到获得的样品的可能微观结构和复合成分的相互关系,提出了。有人提出,Ag 3 AsS 3 -As 2 S 3复合材料的整体电导率可以通过少量的 As 2 S 3来增加,As 2 S 3 是用来自Ag 3 AsS 3的Ag +离子掺杂的。

更新日期:2022-06-17
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