Performance and Leakage Analysis of Si and Ge NWFETs Using a Combined Subband BTE and WKB Approach

Z. Stanojevic, G. Strof, O. Baumgartner, G. Rzepa, M. Karner
We are the first to present a subband-BTE solver with a fully integrated source/drain-tunneling current calculation based on the WKB-approximation. The method is validated against ballistic NEGF calculations showing good agreement. An investigation of Si and Ge-based NWFETs is performed showing that intra-band source/drain-tunneling is not a concern for Si devices. For Ge-based PMOS devices however, tunneling leakage limits sensible LG -scaling to around 20 nm.
Publication date: 06 October 2020
Download document (PDF)
Document, read in your PDF viewer; < 1 MB
Download PDF

{“@id”:”/api/v1/downloads/409″,”@type”:”Download”,”id”:409,”title”:”Performance and Leakage Analysis of Si and Ge NWFETs Using a Combined Subband BTE and WKB Approach”,”filename”:”SISPAD-2020_Perf-Leak-Analysis-NWFET-BTE-WKB”,”abstract”:”We are the first to present a subband-BTE solver with a fully integrated source/drain-tunneling current calculation based on the WKB-approximation. The method is validated against ballistic NEGF calculations showing good agreement. An investigation of Si and Ge-based NWFETs is performed showing that intra-band source/drain-tunneling is not a concern for Si devices. For Ge-based PMOS devices however, tunneling leakage limits sensible LG -scaling to around 20 nm.”,”level”:null,”doi”:null,”status”:”published”,”remarks”:null,”files”:[{“@type”:”File”,”id”:1786,”name”:”SISPAD-2020_Perf-Leak-Analysis-NWFET-BTE-WKB.pdf”,”bytes”:403931}],”tags”:[{“@id”:”/api/v1/download_tags/20″,”@type”:”DownloadTag”,”id”:20,”name”:”publication”},{“@id”:”/api/v1/download_tags/46″,”@type”:”DownloadTag”,”id”:46,”name”:”nanowire”},{“@id”:”/api/v1/download_tags/58″,”@type”:”DownloadTag”,”id”:58,”name”:”nds”},{“@id”:”/api/v1/download_tags/59″,”@type”:”DownloadTag”,”id”:59,”name”:”pathfinding”},{“@id”:”/api/v1/download_tags/60″,”@type”:”DownloadTag”,”id”:60,”name”:”innovation”},{“@id”:”/api/v1/download_tags/70″,”@type”:”DownloadTag”,”id”:70,”name”:”si pathfinding”}],”date”:”2020-10-06T00:00:00+02:00″,”authors”:”Z. Stanojevic, G. Strof, O. Baumgartner, G. Rzepa, M. Karner”}