2-D Materials for Ultrascaled Field-Effect Transistors: One Hundred Candidates under the Ab Initio MicroscopeClick to copy article linkArticle link copied!
- Cedric KlinkertCedric KlinkertIntegrated System Laboratory, ETH Zurich, CH-8092 Zurich, SwitzerlandMore by Cedric Klinkert
- Áron Szabó
- Christian StiegerChristian StiegerIntegrated System Laboratory, ETH Zurich, CH-8092 Zurich, SwitzerlandMore by Christian Stieger
- Davide CampiDavide CampiTheory and Simulation of Materials (THEOS) and National Centre for Computational Design and Discovery of Novel Materials (MARVEL), École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, SwitzerlandMore by Davide Campi
- Nicola MarzariNicola MarzariTheory and Simulation of Materials (THEOS) and National Centre for Computational Design and Discovery of Novel Materials (MARVEL), École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, SwitzerlandMore by Nicola Marzari
- Mathieu Luisier*Mathieu Luisier*Email: [email protected]Integrated System Laboratory, ETH Zurich, CH-8092 Zurich, SwitzerlandMore by Mathieu Luisier
Abstract

Due to their remarkable properties, single-layer 2-D materials appear as excellent candidates to extend Moore’s scaling law beyond the currently manufactured silicon FinFETs. However, the known 2-D semiconducting components, essentially transition metal dichalcogenides, are still far from delivering the expected performance. Based on a recent theoretical study that predicts the existence of more than 1800 exfoliable 2-D materials, we investigate here the 100 most promising contenders for logic applications. Their current versus voltage characteristics are simulated from first-principles, combining density functional theory and advanced quantum transport calculations. Both n- and p-type configurations are considered, with gate lengths ranging from 15 down to 5 nm. From this large collection of electronic materials, we identify 13 compounds with electron and hole currents potentially much higher than those in future Si FinFETs. The resulting database widely expands the design space of 2-D transistors and provides original guidelines to the materials and device engineering community.
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