Temperature dependent Raman spectroscopic study of mono-, bi-, and tri-layer molybdenum ditelluride

Title
Temperature dependent Raman spectroscopic study of mono-, bi-, and tri-layer molybdenum ditelluride
Authors
박준김영희전영인전영민
Keywords
Temeprature dependent; Raman; MoTe2
Issue Date
2015-10
Publisher
Applied physics letters
Citation
VOL 107, 1053106-1-1053106-4
Abstract
We investigate the thermal properties of mono-, bi- and tri-layer MoTe2 by using temperaturedependent Raman spectroscopy ranging from 90K to 300 K. The E1 2g and B1 2g modes of MoTe2 blueshift as the temperature decreases. The temperature dependence of the peak positions obtained from mono- to tri-layer MoTe2 is analyzed using the Gruneisen model. The first order temperature coefficients of E1 2g and B1 2g Raman modes of mono- to tri-layer MoTe2 are extracted. This study provides the fundamental information about the thermal properties of MoTe2 layers, which is crucial for developing thermal and electronic applications of MoTe2 based devices.
URI
http://pubs.kist.re.kr/handle/201004/50729
ISSN
00036951
Appears in Collections:
KIST Publication > Article
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