The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
Sulfur vacancies in monolayer MoS2 and its electrical contacts
Abstract
The use of reactive electropositive metal contacts is proposed to lower contact resistance in MoS2 devices, based on calculations of the sulfur vacancy in MoS2 by the screened exchange (sX) hybrid functional. sX gives band gaps of 1.88 eV and 1.34 eV for monolayer and bulk MoS2. The S vacancy has a formation energy of 2.35 eV in S-rich conditions, while the Mo vacancy has a large formation energy of 8.02 eV in Mo-rich conditions. The S vacancy introduces defect levels 0/−1 at 1.23 eV and −1/−2 at 1.28 eV in the upper gap. Its formation energy becomes small or negative for EF near the conduction band edge, leading to EF pinning near the conduction band for reactive metal contacts and lower contact resistances.
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Cites
Hybrid functionals based on a screened Coulomb potential
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Electronics and optoelectronics of two-dimensional transition metal dichalcogenides
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First principles methods using CASTEP
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Intrinsic Structural Defects in Monolayer Molybdenum Disulfide
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Cited by
Emerging Device Applications for Semiconducting Two-Dimensional Transition Metal Dichalcogenides
Jariwala, D., Sangwan, V. K., Lauhon, L. J., Marks, T. J., & Hersam, M. C. (2014) · ACS Nano · doi:10.1021/nn500064s · Cited by 2,753
Analyzing the Carrier Mobility in Transition‐Metal Dichalcogenide MoS2 Field‐Effect Transistors
Yu, Z., Ong, Z., Li, S., Xu, J., Zhang, G., Zhang, Y., Shi, Y., & Wang, X. (2017) · Advanced Functional Materials · doi:10.1002/adfm.201604093 · Cited by 426
Metadata
- Authors
- Liu, D., Guo, Y., Fang, L., & Robertson, J.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2013-10-28
- Volume
- 103
- Issue
- 18
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2090141424
- Cited by
- 417
- References
- 45
- FWCI
- 11.84
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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