{"title":"Observation of MN rule in ac conductivity of glassy Se90In10−xAgx","authors":"S. Sharma, Karishma Singh, R. Shukla, A. Kumar","doi":"10.1080/22243682.2016.1193823","DOIUrl":null,"url":null,"abstract":"ABSTRACTIn the present case, we have reported the temperature dependence of ac conductivity for bulk samples of glassy Se90In10−xAgx (x = 0, 2, 4, 6, 8) at different frequencies. In certain temperature range, ac conductivity is found to increase exponentially with temperature. From these measurements activation energy and pre-exponential factor are calculated. It is found that pre-exponential factor does not remain constant but varies with activation energy. This verifies the validity of MN rule. The experiment has been carried out in the temperature range 289–402 K and frequency range 20–500 kHz.","PeriodicalId":17291,"journal":{"name":"Journal of the Chinese Advanced Materials Society","volume":"65 1","pages":"238-248"},"PeriodicalIF":0.0000,"publicationDate":"2016-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Chinese Advanced Materials Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/22243682.2016.1193823","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
ABSTRACTIn the present case, we have reported the temperature dependence of ac conductivity for bulk samples of glassy Se90In10−xAgx (x = 0, 2, 4, 6, 8) at different frequencies. In certain temperature range, ac conductivity is found to increase exponentially with temperature. From these measurements activation energy and pre-exponential factor are calculated. It is found that pre-exponential factor does not remain constant but varies with activation energy. This verifies the validity of MN rule. The experiment has been carried out in the temperature range 289–402 K and frequency range 20–500 kHz.
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