Raman tensor of layered MoS2

Raman tensors, one of the basic physical properties of MoS2, are rarely reported. Here, angle-resolved polarized Raman scatterings on basal and cross planes of layered MoS2 were carried out using the geometry configuration of parallel polarization, and the Raman tensors of three optical vibration mo...

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Veröffentlicht in:	Optics letters 2020-03, Vol.45 (6), p.1313-1316
Hauptverfasser:	Ding, Ying, Zheng, Wei, Jin, Mingge, Zhu, Yanming, Zhu, Ruinan, Lin, Zeguo, Huang, Feng
Format:	Artikel
Sprache:	eng
Schlagworte:	Inelastic scattering Light scattering Mathematical analysis Molybdenum disulfide Physical properties Tensors Vibration mode
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container_title	Optics letters
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creator	Ding, Ying Zheng, Wei Jin, Mingge Zhu, Yanming Zhu, Ruinan Lin, Zeguo Huang, Feng
description	Raman tensors, one of the basic physical properties of MoS2, are rarely reported. Here, angle-resolved polarized Raman scatterings on basal and cross planes of layered MoS2 were carried out using the geometry configuration of parallel polarization, and the Raman tensors of three optical vibration modes were systematically studied. As a polar vibration mode, the differential polarizability of the A1g mode corresponding to the Raman tensor along the ð' direction is larger than that along the ð' direction. In addition, it is also larger than that formed by E2g and E1g modes. All the experimental results above are beneficial to the understanding of inelastic light-scattering process of MoS2.
doi_str_mv	10.1364/OL.384524
format	Article
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Here, angle-resolved polarized Raman scatterings on basal and cross planes of layered MoS2 were carried out using the geometry configuration of parallel polarization, and the Raman tensors of three optical vibration modes were systematically studied. As a polar vibration mode, the differential polarizability of the A1g mode corresponding to the Raman tensor along the ð' direction is larger than that along the ð' direction. In addition, it is also larger than that formed by E2g and E1g modes. 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subjects	Inelastic scattering Light scattering Mathematical analysis Molybdenum disulfide Physical properties Tensors Vibration mode
title	Raman tensor of layered MoS2
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