Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals

Abstract Utilizing a two-dimensional material in an electronic device as channel layer inevitably involves the formation of contacts with metallic electrodes. As these contacts can dramatically affect the behavior of the device, we study the electronic properties of monolayer Janus MoSSe in contact...

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Autores principales:	Ning Zhao, Udo Schwingenschlögl
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/de6d4ecc2f1d4c6780f9efadf79eca33
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spelling	oai:doaj.org-article:de6d4ecc2f1d4c6780f9efadf79eca332021-12-02T16:35:47ZDipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals10.1038/s41699-021-00253-w2397-7132https://doaj.org/article/de6d4ecc2f1d4c6780f9efadf79eca332021-08-01T00:00:00Zhttps://doi.org/10.1038/s41699-021-00253-whttps://doaj.org/toc/2397-7132Abstract Utilizing a two-dimensional material in an electronic device as channel layer inevitably involves the formation of contacts with metallic electrodes. As these contacts can dramatically affect the behavior of the device, we study the electronic properties of monolayer Janus MoSSe in contact with different metallic electrodes by first-principles calculations, focusing on the differences in the characteristics of contacts with the two sides of MoSSe. In particular, we demonstrate that the Fermi level pinning is different for the two sides of MoSSe, with the magnitude resembling that of MoS2 or MoSe2, while both sides can form Ohmic contacts with common electrode materials without any further adaptation, which is an outstanding advantage over MoS2 and MoSe2.Ning ZhaoUdo SchwingenschlöglNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ChemistryQD1-999ENnpj 2D Materials and Applications, Vol 5, Iss 1, Pp 1-5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 Ning Zhao Udo Schwingenschlögl Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals
description	Abstract Utilizing a two-dimensional material in an electronic device as channel layer inevitably involves the formation of contacts with metallic electrodes. As these contacts can dramatically affect the behavior of the device, we study the electronic properties of monolayer Janus MoSSe in contact with different metallic electrodes by first-principles calculations, focusing on the differences in the characteristics of contacts with the two sides of MoSSe. In particular, we demonstrate that the Fermi level pinning is different for the two sides of MoSSe, with the magnitude resembling that of MoS2 or MoSe2, while both sides can form Ohmic contacts with common electrode materials without any further adaptation, which is an outstanding advantage over MoS2 and MoSe2.
format	article
author	Ning Zhao Udo Schwingenschlögl
author_facet	Ning Zhao Udo Schwingenschlögl
author_sort	Ning Zhao
title	Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals
title_short	Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals
title_full	Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals
title_fullStr	Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals
title_full_unstemmed	Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals
title_sort	dipole-induced ohmic contacts between monolayer janus mosse and bulk metals
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/de6d4ecc2f1d4c6780f9efadf79eca33
work_keys_str_mv	AT ningzhao dipoleinducedohmiccontactsbetweenmonolayerjanusmosseandbulkmetals AT udoschwingenschlogl dipoleinducedohmiccontactsbetweenmonolayerjanusmosseandbulkmetals
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Dipole-induced Ohmic contacts between monolayer Janus MoSSe and bulk metals

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