期刊
JOURNAL OF ASIAN CERAMIC SOCIETIES
卷 4, 期 2, 页码 178-184出版社
TAYLOR & FRANCIS LTD
DOI: 10.1016/j.jascer.2016.02.003
关键词
Chalcogenide glass; DSC; SEM; Dielectric properties
资金
- University Grants Commission (UGC), New Delhi, India [39-452/2010 (SR)]
Chalcogenide glassy alloys of Se90Cd10-xInx (x= 2, 4, 6, 8) are synthesized by melt quench technique. The prepared glassy alloys have been characterized by techniques such as differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and energy dispersive X-ray (EDAX). Dielectric properties of Se90Cd10-xInx (x= 2, 4, 6, 8) chalcogenide glassy system have been studied using impedance spectroscopic technique in the frequency range 42 Hz to 5 MHz at room temperature. It is found that the dielectric constants epsilon', dielectric loss factor epsilon '' and loss angle Tan delta depend on frequency. epsilon', epsilon '' and loss angle Tan 6 are found to be decreasing with the In content in Se90Cd10-xInx glassy system. AC conductivity of the prepared sample has also been studied. It is found that AC conductivity increases with frequency where as it has decreasing trend with increasing In content in Se-Cd matrix. The semicircles observed in the Cole-Cole plots indicate a single relaxation process. (C) 2016 The Ceramic Society of Japan and the Korean Ceramic Society. Production and hosting by Elsevier B.V.
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