M. Iovu, M. Popescu, N. Syrbu, S. Shutov, I. Vasiliev, S. Z. Rebeja, E. Colomeico
{"title":"Spectroscopical study of amorphous AsSe films containing tin impurity","authors":"M. Iovu, M. Popescu, N. Syrbu, S. Shutov, I. Vasiliev, S. Z. Rebeja, E. Colomeico","doi":"10.1109/SMICND.1998.732299","DOIUrl":null,"url":null,"abstract":"Optical absorption of thermally deposited AsSe films doped with Sn impurity (1 to 10 at.%) is studied in a wide energy interval from 0.8 to 6.2 eV by combination of reflection, absorption, photoresponse and photocapacitance spectroscopies. The effect of tin impurity on both extended and localized electronic states is revealed. Over the fundamental edge absorption region a correlation between the band tail width and optical gap is demonstrated for various tin concentrations.","PeriodicalId":406922,"journal":{"name":"1998 International Semiconductor Conference. CAS'98 Proceedings (Cat. No.98TH8351)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1998 International Semiconductor Conference. CAS'98 Proceedings (Cat. No.98TH8351)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.1998.732299","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Optical absorption of thermally deposited AsSe films doped with Sn impurity (1 to 10 at.%) is studied in a wide energy interval from 0.8 to 6.2 eV by combination of reflection, absorption, photoresponse and photocapacitance spectroscopies. The effect of tin impurity on both extended and localized electronic states is revealed. Over the fundamental edge absorption region a correlation between the band tail width and optical gap is demonstrated for various tin concentrations.
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