{"title":"Field Emission Properties of Highly Conductive Diamond-Like Carbon Layers","authors":"Georg Hentsch, M. Tajmar, V. Weihnacht","doi":"10.1109/IVNC57695.2023.10189006","DOIUrl":null,"url":null,"abstract":"Diamond and diamond-like carbon (DLC) have potential as next-generation cathode materials due to their exceptional electron-emitting properties. The Fraunhofer Institute for Material and Beam Technology IWS Dresden has fabricated novel metal-doped DLC layers with remarkable conductivity and a nanostructured surface, which present promising prospects for practical applications. We conducted an extensive investigation of the field emission characteristics of these DLC layers using a spherical anode, and comparatively measured conventional DLC coatings. Field emission measurements show unexpected results, with the best emission properties observed in high-resistance DLC layers. Our findings suggest the possibility of fabricating quite efficient DLC emitters by activating large areas of ta-C layers.","PeriodicalId":346266,"journal":{"name":"2023 IEEE 36th International Vacuum Nanoelectronics Conference (IVNC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 IEEE 36th International Vacuum Nanoelectronics Conference (IVNC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IVNC57695.2023.10189006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Diamond and diamond-like carbon (DLC) have potential as next-generation cathode materials due to their exceptional electron-emitting properties. The Fraunhofer Institute for Material and Beam Technology IWS Dresden has fabricated novel metal-doped DLC layers with remarkable conductivity and a nanostructured surface, which present promising prospects for practical applications. We conducted an extensive investigation of the field emission characteristics of these DLC layers using a spherical anode, and comparatively measured conventional DLC coatings. Field emission measurements show unexpected results, with the best emission properties observed in high-resistance DLC layers. Our findings suggest the possibility of fabricating quite efficient DLC emitters by activating large areas of ta-C layers.
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