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- Title
High-performance junction-free field-effect transistor based on blue phosphorene.
- Authors
Tyagi, Shubham; Rout, Paresh C.; Schwingenschlögl, Udo
- Abstract
Two-dimensional semiconductors have great potential in high-performance electronic devices. However, the common way of contacting them with metals to inject charge carriers results in contact resistance. We propose a junction-free field-effect transistor consisting of semiconducting monolayer blue phosphorene as channel material (with high carrier mobility) and metallic bilayer blue phosphorene as electrodes. The junction-free design minimizes the contact resistance. Employing first-principles calculations along with the non-equilibrium Green's function method, we demonstrate a high Ion/Ioff ratio of up to 2.6 × 104 and a remarkable transconductance of up to 811 μS/μm.
- Subjects
FIELD-effect transistors; PHOSPHORENE; GREEN'S functions; ORGANIC field-effect transistors; CHARGE carrier mobility; CHARGE carriers
- Publication
NPJ 2D Materials & Applications, 2022, Vol 6, Issue 1, p1
- ISSN
2397-7132
- Publication type
Article
- DOI
10.1038/s41699-022-00361-1