{"title":"用光感应电流瞬态光谱法研究了高电阻率lecaas的深层特性","authors":"D. Seghier, H. Gíslason","doi":"10.1109/SIM.1996.570927","DOIUrl":null,"url":null,"abstract":"In order to study deep defects in undoped LEC-grown GaAs, photo induced current transient spectroscopy (PICTS) has been carried out on materials with a depletion region. Five main traps were observed. In addition to positions in the gap, it is shown that the nature of carrier traps can also be identified. Contributions from the surface and the bulk of the material in the PICTS signal, are compared. Also, effects from the excitation light wavelength on PICTS spectra, are reported.","PeriodicalId":391894,"journal":{"name":"Proceedings of Semiconducting and Semi-Insulating Materials Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"On deep levels in high-resistivity LEC-GaAs investigated by means of photo induced current transient spectroscopy\",\"authors\":\"D. Seghier, H. Gíslason\",\"doi\":\"10.1109/SIM.1996.570927\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In order to study deep defects in undoped LEC-grown GaAs, photo induced current transient spectroscopy (PICTS) has been carried out on materials with a depletion region. Five main traps were observed. In addition to positions in the gap, it is shown that the nature of carrier traps can also be identified. Contributions from the surface and the bulk of the material in the PICTS signal, are compared. Also, effects from the excitation light wavelength on PICTS spectra, are reported.\",\"PeriodicalId\":391894,\"journal\":{\"name\":\"Proceedings of Semiconducting and Semi-Insulating Materials Conference\",\"volume\":\"15 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-04-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of Semiconducting and Semi-Insulating Materials Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SIM.1996.570927\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of Semiconducting and Semi-Insulating Materials Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SIM.1996.570927","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
On deep levels in high-resistivity LEC-GaAs investigated by means of photo induced current transient spectroscopy
In order to study deep defects in undoped LEC-grown GaAs, photo induced current transient spectroscopy (PICTS) has been carried out on materials with a depletion region. Five main traps were observed. In addition to positions in the gap, it is shown that the nature of carrier traps can also be identified. Contributions from the surface and the bulk of the material in the PICTS signal, are compared. Also, effects from the excitation light wavelength on PICTS spectra, are reported.
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