{"title":"Wavelet-based calculation of the transmission coefficient for tunneling events in Tunnel-FETs","authors":"A. Farokhnejad, M. Graef, A. Kloes","doi":"10.1109/MIXDES.2015.7208512","DOIUrl":null,"url":null,"abstract":"Recently, the Tunnel-FET is gaining interest due to its possibility to overcome the 60 mV/dec subthreshold slope limitation of the standard MOSFET. Due to its band-to-band (B2B) tunneling-based current transport mechanism, the requirements for sufficient tunneling models are raising. By taking into account various barrier shapes, tunneling distances and energy levels, the wavelet-based calculation of the transmission coefficient offers the possibility to calculate tunneling events as B2B tunneling at the junctions and gate leakage current in an accurate way. A comparison of the wavelet solution with the exact solution of the Schrödinger equation for rectangular barriers and the Wentzel-Kramers-Brillouin (WKB) approximation for triangular shaped barriers is presented in this paper.","PeriodicalId":188240,"journal":{"name":"2015 22nd International Conference Mixed Design of Integrated Circuits & Systems (MIXDES)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 22nd International Conference Mixed Design of Integrated Circuits & Systems (MIXDES)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MIXDES.2015.7208512","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Recently, the Tunnel-FET is gaining interest due to its possibility to overcome the 60 mV/dec subthreshold slope limitation of the standard MOSFET. Due to its band-to-band (B2B) tunneling-based current transport mechanism, the requirements for sufficient tunneling models are raising. By taking into account various barrier shapes, tunneling distances and energy levels, the wavelet-based calculation of the transmission coefficient offers the possibility to calculate tunneling events as B2B tunneling at the junctions and gate leakage current in an accurate way. A comparison of the wavelet solution with the exact solution of the Schrödinger equation for rectangular barriers and the Wentzel-Kramers-Brillouin (WKB) approximation for triangular shaped barriers is presented in this paper.
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