Applied Surface Science, volume 589, pages 152971
2D-Mo3 S4 phase as promising contact for MoS2
Publication type: Journal Article
Publication date: 2022-07-01
Journal:
Applied Surface Science
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6.7
ISSN: 01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
• Novel metallic 2D phase Cm -Mo 3 S 4 perspective for electrode materials. • Transition from H-Mo 3 S 4 (defective H-MoS 2 ) to Cm -Mo 3 S 4 phase. • Lateral heterostructure H-MoS 2 / Cm -Mo 3 S 4 (semiconductor/metallic). • Intermediate Schottky contact. The search for electrode materials for two-dimensional structures, particularly for semiconducting H-MoS 2 , is a significant problem for contemporary materials science. This stimulates interest in metastable structures, which motivates us to look at non-stoichiometric metastable states known as Berthollides. An unbiased evolutionary search for new two-dimensional structures in Mo-S system showed the presence of Mo 5 S 4 , Mo 3 S 4 , and MoS metastable structures (located near the decomposition line) in the low-sulfur area of phase diagram. The predicted novel Cm -Mo 3 S 4 phase exhibits metallic properties and dynamic stability confirmed by the calculation of phonon dispersion spectra. Its lattice parameters are similar to the semiconducting H-MoS 2 phase which makes it possible to use Cm -Mo 3 S 4 as a conducting contact in nanodevices based on MoS 2 . A study of proposed H-MoS 2 / Cm -Mo 3 S 4 lateral heterostructures showed that in the contact region a transition to the conducting states of the H-MoS 2 edge atoms is observed, as well as the preservation of Cm -Mo 3 S 4 conducting properties. The main feature of Cm -Mo 3 S 4 is that it can be structurally obtained by a direct transition of H-MoS 2 monolayer with sulfur vacancies. As a result, the predicted Cm -Mo 3 S 4 phase is a promising candidate for conducting contacts in nanoelectronic device components.
Citations by journals
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Applied Surface Science
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1 publication, 20%
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Citations by publishers
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Elsevier
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2 publications, 40%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
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Social Science Electronic Publishing
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1 publication, 20%
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- We do not take into account publications that without a DOI.
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Sukhanova E. V. et al. 2D-Mo3S4 phase as promising contact for MoS2 // Applied Surface Science. 2022. Vol. 589. p. 152971.
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Sukhanova E. V., Kvashnin A. G., Bereznikova L. A., Zakaryan H. A., Aghamalyan M. A., Kvashnin D., Popov Z. 2D-Mo3S4 phase as promising contact for MoS2 // Applied Surface Science. 2022. Vol. 589. p. 152971.
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TY - JOUR
DO - 10.1016/j.apsusc.2022.152971
UR - https://doi.org/10.1016%2Fj.apsusc.2022.152971
TI - 2D-Mo3S4 phase as promising contact for MoS2
T2 - Applied Surface Science
AU - Sukhanova, E V
AU - Kvashnin, Alexander G.
AU - Bereznikova, L. A.
AU - Zakaryan, Hayk A
AU - Aghamalyan, Misha A
AU - Kvashnin, Dmitry
AU - Popov, Zakhar
PY - 2022
DA - 2022/07/01 00:00:00
PB - Elsevier
SP - 152971
VL - 589
SN - 0169-4332
ER -
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@article{2022_Sukhanova,
author = {E V Sukhanova and Alexander G. Kvashnin and L. A. Bereznikova and Hayk A Zakaryan and Misha A Aghamalyan and Dmitry Kvashnin and Zakhar Popov},
title = {2D-Mo3S4 phase as promising contact for MoS2},
journal = {Applied Surface Science},
year = {2022},
volume = {589},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016%2Fj.apsusc.2022.152971},
pages = {152971},
doi = {10.1016/j.apsusc.2022.152971}
}