Electronic-dimensionality reduction of bulk MoS2 by hydrogen treatment

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Title
Electronic-dimensionality reduction of bulk MoS2 by hydrogen treatment
Author(s)
Soohyun Cho; Beom Seo Kim; Beomyoung Kim; Wonshik Kyung; Jeongjin Seo; Min Park; Jun Woo Jeon; Kiyohisa Tanaka; Jonathan D. Denlinger; Changyoung Kim; Dorj Odkhuu; Byung Hoon Kim; Seung Ryong Park
Publication Date
2018-09
Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, v.20, no.35, pp.23007 - 23012
Publisher
ROYAL SOC CHEMISTRY
Abstract
A reduction in the electronic-dimensionality of materials is one method for achieving improvements in material properties. Here, a reduction in electronic-dimensionality is demonstrated using a simple hydrogen treatment technique. Quantum well states from hydrogen-treated bulk 2H-MoS2 are observed using angle resolved photoemission spectroscopy (ARPES). The electronic states are confined within a few MoS2 layers after the hydrogen treatment. A significant reduction in the band-gap can also be achieved after the hydrogen treatment, and both phenomena can be explained by the formation of sulfur vacancies generated by the chemical reaction between sulfur and hydrogen. ©the Owner Societies 2018
URI
https://pr.ibs.re.kr/handle/8788114/5170
ISSN
1463-9076
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
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