{"title":"Recent changes in our understanding of EL2 in GaAs","authors":"G. Baraff","doi":"10.1109/SIM.1992.752671","DOIUrl":null,"url":null,"abstract":"EL2 is an intrinsic, metastable donor defect which is important in making semi-insulating GaAs. Remarkably, even after a decade of intense investigation, the microscopic nature of the defect is still controversial. There are two models which must still be considered seriously, namely that EL2 is the isolated As/sub Ga/ antisite, and that EL2 also contains an arsenic interstitial on the [111] axis. This paper will comment on some of the experiments used to support each of the two models, and will discuss attempts to reconcile the two.","PeriodicalId":368607,"journal":{"name":"Proceedings of the 7th Conference on Semi-insulating III-V Materials,","volume":"52 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 7th Conference on Semi-insulating III-V Materials,","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SIM.1992.752671","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
EL2 is an intrinsic, metastable donor defect which is important in making semi-insulating GaAs. Remarkably, even after a decade of intense investigation, the microscopic nature of the defect is still controversial. There are two models which must still be considered seriously, namely that EL2 is the isolated As/sub Ga/ antisite, and that EL2 also contains an arsenic interstitial on the [111] axis. This paper will comment on some of the experiments used to support each of the two models, and will discuss attempts to reconcile the two.
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