期刊
SOLID STATE COMMUNICATIONS
卷 360, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2022.115052
关键词
Hopping; Dielectric constant; Polarization; Cole-cole plot
The Co-Precipitation technique was used to synthesize CoxZn1-xS ternary compounds. Samples were analyzed for their AC conductivity between 30 degrees C and 300 degrees C, in the frequency range of 50 Hz to 20 MHz. The results showed that the AC conductivity of the samples correlated with the CBH model, exhibiting a decreasing trend with increasing frequency, and remaining more or less constant at higher frequencies. The dielectric constant increased with temperature and cobalt concentration, reaching higher values at lower frequencies. Comparison of the samples' dielectric loss values revealed a consistent trend with the dielectric constant value. This research investigated phenomena thought to be caused by cobalt interstitial defects resulting from the introduction of cobalt ions into zinc sulfide.
Co-Precipitation technique used to synthesize CoxZn1-xS ternary compounds. Samples were studied for their ac conductivity between 30 degrees C and 300 degrees C, in the range of 50 Hz to 20 MHz. Analysis revealed that AC conductivity of the samples, correlating with the CBH model. It shows a diminishing trend with rise in frequency, and at higher frequencies the value is more or less constant. The dielectric constant increases with an increase in temperature and cobalt concentration, and it reaches a higher value at lower frequencies. When compared, the values of the samples dielectric loss reveal a trend that is consistent with the value of the dielectric constant. The phenomena that was investigated in this research is thought to be caused by cobalt interstitial defects, which are produced when cobalt ions are introduced into zinc sulfide.
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