Exploring complex spectroscopic characteristics of (Ag)x/CuTl-1223 nanoparticles-superconductor composites through impedance and electric modulus analysis
Vol 1, Issue 1, 2023
VIEWS - 37 (Abstract)
Abstract
This study elucidates influence of silver (Ag) nanoparticles (NPs) on ac-conduction properties within the super conductive phase of Cu0.5Tl0.5Ba2Ca2Cu3O10−δ (CuTl-1223). The Ag NPs were prepared by sol-gel method and CuTl-1223 superconducting phase was prepared by conventional solid-state reaction method. The different weight percentages (wt.%) of Ag NPs were mixed with CuTl-1223 superconducting matrix in order to obtain (Ag)x/CuTl-1223; x = 0 ~ 4.0 wt.% nanoparticles-superconductor composites. Complex impedance spectroscopy (CIS) and complex electric modulus spectroscopy (CEMS) were conducted to probe the impact of Ag NPs addition along the grain-boundaries of the bulk CuTl-1223 superconducting matrix and on the resistive and capacitive contributions to the total impedance at different T (K) and f (Hz) values.
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