{"title":"带隙调制A-C纳米层电子场发射中负差分电导的观察","authors":"W. Tsang, S. Henley, V. Stolojan, S. Silva","doi":"10.1109/IVNC.2006.335427","DOIUrl":null,"url":null,"abstract":"The field emission properties of an amorphous carbon (a-C) based quantum well structures are investigated. The a-C nanolayers are grown by pulsed laser ablation of a graphite target on highly doped n-type (100) Si wafers. The band gap of these layers are modulated through laser fluence variation. A negative differential conductance peak at 15 V/mum (Fp) and an abrupt increase in emission current at 25 V/mum (Fs) are observed. An analysis of these anomalous properties is made","PeriodicalId":108834,"journal":{"name":"2006 19th International Vacuum Nanoelectronics Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Negative Differential Conductance Observed in Electron Field Emission from Band Gap Modulated A-C Nanolayers\",\"authors\":\"W. Tsang, S. Henley, V. Stolojan, S. Silva\",\"doi\":\"10.1109/IVNC.2006.335427\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The field emission properties of an amorphous carbon (a-C) based quantum well structures are investigated. The a-C nanolayers are grown by pulsed laser ablation of a graphite target on highly doped n-type (100) Si wafers. The band gap of these layers are modulated through laser fluence variation. A negative differential conductance peak at 15 V/mum (Fp) and an abrupt increase in emission current at 25 V/mum (Fs) are observed. An analysis of these anomalous properties is made\",\"PeriodicalId\":108834,\"journal\":{\"name\":\"2006 19th International Vacuum Nanoelectronics Conference\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 19th International Vacuum Nanoelectronics Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IVNC.2006.335427\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 19th International Vacuum Nanoelectronics Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IVNC.2006.335427","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Negative Differential Conductance Observed in Electron Field Emission from Band Gap Modulated A-C Nanolayers
The field emission properties of an amorphous carbon (a-C) based quantum well structures are investigated. The a-C nanolayers are grown by pulsed laser ablation of a graphite target on highly doped n-type (100) Si wafers. The band gap of these layers are modulated through laser fluence variation. A negative differential conductance peak at 15 V/mum (Fp) and an abrupt increase in emission current at 25 V/mum (Fs) are observed. An analysis of these anomalous properties is made
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