{"title":"Charge transfer phenomena in semi-insulating InP:Fe","authors":"G. Wittmann, R. Fasbender, M. Thoms, A. Winnacker","doi":"10.1109/ICIPRM.1993.380644","DOIUrl":null,"url":null,"abstract":"Charge transfer phenomena are studied in semi-insulating InP:Fe. It is shown that the Fe-absorption is changed under exposure to near IR-light due to pumping of charge carriers into traps other than Fe. This process may affect the determination of the Fe-distribution in InP:Fe by optical absorption. From the change in Fe-absorption the absolute concentration of traps can be estimated. The spectral dependence of the charge transfer process reveals that mainly electron traps are active above 80K.<<ETX>>","PeriodicalId":186256,"journal":{"name":"1993 (5th) International Conference on Indium Phosphide and Related Materials","volume":"89 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1993 (5th) International Conference on Indium Phosphide and Related Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIPRM.1993.380644","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Charge transfer phenomena are studied in semi-insulating InP:Fe. It is shown that the Fe-absorption is changed under exposure to near IR-light due to pumping of charge carriers into traps other than Fe. This process may affect the determination of the Fe-distribution in InP:Fe by optical absorption. From the change in Fe-absorption the absolute concentration of traps can be estimated. The spectral dependence of the charge transfer process reveals that mainly electron traps are active above 80K.<>
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