Abstract
The temperature dependences of the direct-current (dc) and alternating-current (ac) resistivities of silver intercalated compounds Ag x HfS 2 have been measured using impedance spectroscopy over a wide frequency range at different temperatures for the first time. The dc conductivity has an activation behavior and increases with increasing silver content in the samples. The results of the ac measurements have demonstrated that the ac conductivity has a frequency dispersion described by “the universal dynamic response.” It has been shown that the relaxation processes in an ac field are accelerated when the silver content in the sample and temperature increase.
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