View : 20 Download: 0

Raman scattering studies of the lattice dynamics in layered MoS2

Title
Raman scattering studies of the lattice dynamics in layered MoS2
Authors
Jeong, S.Shin, H. -Y.Shin, R. H.Jo, W.Yoon, S.Ruebhausen, M.
Ewha Authors
윤석현
SCOPUS Author ID
윤석현scopus
Issue Date
2015
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
ISSN
0374-4884JCR Link1976-8524JCR Link
Citation
vol. 66, no. 10, pp. 1575 - 1580
Keywords
MoS2Raman scatteringPhonon
Publisher
KOREAN PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
We report non-resonant and resonant Raman scattering studies of layered MoS2. Owing to its reduced dimensionality, few layered MoS2 is more sensitive to the difference between inter- and intra-layer coupling, which results in unusual frequency shifts of the Raman phonon modes. In addition, relative intensities between the two Raman active phonon modes E-2g (1) and A(1g) unexpectedly depend on the laser excitation energy, which might be associated with the electronic band structure, including spin-orbit coupling and phonon dispersions. Through resonant Raman scattering measurements, the indirect-to-direct band gap behavior and electron-phonon interaction information were obtained. Raman scattering spectroscopy is seen to be very effective for studying the layer-dependent characteristics of layered MoS2.
DOI
10.3938/jkps.66.1575
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE