Correlation of nanostructure changes with the electrical properties of molybdenum disulfide (MoS2) as affected by sulfurization temperature

Title
Correlation of nanostructure changes with the electrical properties of molybdenum disulfide (MoS2) as affected by sulfurization temperature
Authors
이전국주현수오태경전형탁
Keywords
horizontal alignment; molybdenum disulfide; sulfurization
Issue Date
2016-12
Publisher
Applied physics letters
Citation
VOL 109, NO 24-242104-4
Abstract
MoS2 layers were prepared by sulfurization at temperatures ranging from 500 C to 900C. Various microscopic analyses confirmed that the different sulfurization treatments altered the nanostructure of the MoS2 layers. Nanostructure alterations and enhanced crystallinity were observed at temperatures exceeding 800 C. The electrical properties of field-effect transistor devices fabricated from the MoS2 layers were investigated in relation to sulfurization temperature. The field-effect mobility of the MoS2 layers significantly increased with rising sulfurization temperature. The change in nanostructure and the transition to a horizontally aligned microstructure at temperatures over 800 C were explicitly correlated with the change in field-effect mobility.
URI
http://pubs.kist.re.kr/handle/201004/65227
ISSN
0003-6951
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KIST Publication > Article
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