{"title":"溅射沉积W/TiN堆叠栅cmosfet的特性","authors":"D. Lee, S. Joo, G. Lee, J. Moon, T. Shim, J. lee","doi":"10.1109/VLSIT.1995.520886","DOIUrl":null,"url":null,"abstract":"W/TiN stack gate has been investigated as a new gate electrode in ULSI CMOSFETs. With the combination of low resistivity of W and Si-midgap workfunction of TiN, very low sheet resistance and the proper characteristics of both types of transistors could be obtained simultaneously. With the deposition of TiN film at high substrate temperature, the breakdown characteristics of gate oxide could be improved considerably. The proper condition of dry etching on this structure has been also obtained.","PeriodicalId":328379,"journal":{"name":"1995 Symposium on VLSI Technology. Digest of Technical Papers","volume":"34 6","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Characteristics of CMOSFETs with sputter-deposited W/TiN stack gate\",\"authors\":\"D. Lee, S. Joo, G. Lee, J. Moon, T. Shim, J. lee\",\"doi\":\"10.1109/VLSIT.1995.520886\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"W/TiN stack gate has been investigated as a new gate electrode in ULSI CMOSFETs. With the combination of low resistivity of W and Si-midgap workfunction of TiN, very low sheet resistance and the proper characteristics of both types of transistors could be obtained simultaneously. With the deposition of TiN film at high substrate temperature, the breakdown characteristics of gate oxide could be improved considerably. The proper condition of dry etching on this structure has been also obtained.\",\"PeriodicalId\":328379,\"journal\":{\"name\":\"1995 Symposium on VLSI Technology. Digest of Technical Papers\",\"volume\":\"34 6\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-06-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1995 Symposium on VLSI Technology. Digest of Technical Papers\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VLSIT.1995.520886\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1995 Symposium on VLSI Technology. Digest of Technical Papers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSIT.1995.520886","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Characteristics of CMOSFETs with sputter-deposited W/TiN stack gate
W/TiN stack gate has been investigated as a new gate electrode in ULSI CMOSFETs. With the combination of low resistivity of W and Si-midgap workfunction of TiN, very low sheet resistance and the proper characteristics of both types of transistors could be obtained simultaneously. With the deposition of TiN film at high substrate temperature, the breakdown characteristics of gate oxide could be improved considerably. The proper condition of dry etching on this structure has been also obtained.
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