Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140460
Title: Gate-tunable resonant Raman spectroscopy of bilayer MoS2
Authors: Lu, Xin
Muhammad Iqbal Bakti Utama
Wang, Xingzhi
Xu, Weigao
Zhao, Weijie
Owen, Samuel Man Hon
Xiong, Qihua
Keywords: Science::Physics
Issue Date: 2017
Source: Lu, X., Muhammad Iqbal Bakti Utama, Wang, X., Xu, W., Zhao, W., Owen, S. M. H., & Xiong, Q. (2017). Gate-tunable resonant Raman spectroscopy of bilayer MoS2. Small, 13(35), 1701039-. doi:10.1002/smll.201701039
Journal: Small
Abstract: The gate‐tunable phonon properties in bilayer MoS2 are shown to be dependent on excitation energy. Raman intensity, Raman shift, and linewidth are affected by resonant excitation, while a nonresonant laser does not influence the intensity significantly. The gate‐dependent Raman shift of A1g mode (either blue‐, red‐, or no‐shift) is a result of the combined effect of antibonding electron and resonant‐related decoupling effect. Although the decoupling effect cannot be directly measured due to the resonant background, it can be indirectly and qualitatively probed by observing A1g mode. This study on gate‐tunable resonant Raman spectroscopy has clarified the influence of carrier doping on phonon properties and demonstrates a new degree of freedom in manipulating phonons in 2D material systems.
URI: https://hdl.handle.net/10356/140460
ISSN: 1613-6810
DOI: 10.1002/smll.201701039
Rights: This is the accepted version of the following article: Lu, X., Muhammad Iqbal Bakti Utama, Wang, X., Xu, W., Zhao, W., Owen, S. M. H., & Xiong, Q. (2017). Gate-tunable resonant Raman spectroscopy of bilayer MoS2. Small, 13(35), 1701039-, which has been published in final form at https://doi.org/10.1002/smll.201701039. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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