Journal
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
Volume 18, Issue -, Pages 141-145Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2013.11.006
Keywords
Copper sulfide; Dielectric properties; AC conductivity
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The dielectric properties and AC conductivity of bulk Cu2S in a pellet form were studied as functions of frequency and temperature. Both dielectric constant (epsilon(1)) and dielectric loss (epsilon(2)) were calculated. The complex plane diagram of the electric modulus was plotted for different temperatures. The AC conductivity was nearly independent of frequency in the low range. The mechanism of AC conductivity at higher frequency was interpreted in terms of the correlated barrier hopping model. AC conductivity is a thermally activated process. The AC activation energy was determined for different frequencies. (C) 2013 Elsevier Ltd. All rights reserved.
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