期刊
APPLIED PHYSICS LETTERS
卷 103, 期 23, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4840317
关键词
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资金
- Australian Research Council (ARC) [DP130100062, DP140100170]
- Australian Post-Doctoral Fellowships [DP1092717, DP110100262]
- Linkage, Infrastructure, Equipment, and Facilities Grant [LE100100215]
- School of Graduate Research at RMIT University
While layered materials are increasingly investigated for their potential in nanoelectronics, their functionality and efficiency depend on charge injection into the materials via metallic contacts. This work explores the characteristics of different metals (aluminium, tungsten, gold, and platinum) deposited on to nanostructured thin films made of two-dimensional (2D) MoS2 flakes. Metals are chosen based on their work functions relative to the electron affinity of MoS2. It is observed, and analytically verified that lower work functions of the contact metals lead to smaller Schottky barrier heights and consequently higher charge carrier injection through the contacts. (C) 2013 AIP Publishing LLC.
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