Multiphonon resonant Raman scattering in MoS2

被引：126

作者：

Golasa, K. ^{[1
]}

Grzeszczyk, M. ^{[1
]}

Leszczynski, P. ^{[2
]}

Faugeras, C. ^{[2
]}

Nicolet, A. A. L. ^{[2
]}

Wysmolek, A. ^{[1
]}

Potemski, M. ^{[2
]}

Babinski, A. ^{[1
]}

机构：

[1] Univ Warsaw, Fac Phys, PL-00681 Warsaw, Poland

[2] CNRS UJF UPS INSA, Lab Natl Champs Magnet Intenses, F-38042 Grenoble, France

来源：

APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 09期

基金：

欧洲研究理事会;

关键词：

SINGLE-LAYER MOS2; HEXAGONAL MOS2; MONOLAYER MOS2; ABSORPTION; GRAPHENE; SPECTRA; FILMS; MODE;

D O I：

10.1063/1.4867502

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Optical emission spectrum of a resonantly (lambda = 632.8 nm) excited molybdenum disulfide (MoS2) is studied at liquid helium temperature. More than 20 peaks in the energy range spanning up to 1400 cm(-1) from the laser line, which are related to multiphonon resonant Raman scattering processes, are observed. The attribution of the observed lines involving basic lattice vibrational modes of MoS2 and both the longitudinal (LA(M)) and the transverse (TA(M) and/or ZA(M)) acoustic phonons from the vicinity of the high-symmetry M point of the MoS2 Brillouin zone is proposed. (C) 2014 AIP Publishing LLC.

引用

页数：4

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