Evidence of the direct-to-indirect band gap transition in strained two-dimensional WS_{2}, MoS_{2}, and WSe_{2}

Evidence of the direct-to-indirect band gap transition in strained two-dimensional WS_{2}, MoS_{2}, and WSe_{2}

We report a strain-induced direct-to-indirect band gap transition in mechanically deformed WS_{2} monolayers (MLs). The necessary amount of strain is attained by proton irradiation of bulk WS_{2} and the ensuing formation of 1-ML-thick, H_{2}-filled domes. The electronic properties of the curved MLs...

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Bibliographic Details
Main Authors: E. Blundo, M. Felici, T. Yildirim, G. Pettinari, D. Tedeschi, A. Miriametro, B. Liu, W. Ma, Y. Lu, A. Polimeni
Format: Article
Language:English
Published: American Physical Society 2020-01-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.2.012024

Internet

http://doi.org/10.1103/PhysRevResearch.2.012024

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