Your browser doesn't support javascript.
loading
Theoretical prediction of electronic properties and contact barriers in a metal/semiconductor NbS2/Janus MoSSe van der Waals heterostructure.
Nha, P H; Nguyen, Chuong V; Hieu, Nguyen N; Phuc, Huynh V; Nguyen, Cuong Q.
Afiliación
  • Nha PH; Faculty of Electrical Engineering, Hanoi University of Industry Hanoi 100000 Vietnam nhaph@haui.edu.vn.
  • Nguyen CV; Department of Materials Science and Engineering, Le Quy Don Technical University Hanoi Vietnam chuong.vnguyen@lqdtu.edu.vn.
  • Hieu NN; Institute of Research and Development, Duy Tan University Da Nang 550000 Vietnam nguyenquangcuong3@duytan.edu.vn.
  • Phuc HV; Faculty of Natural Sciences, Duy Tan University Da Nang 550000 Vietnam.
  • Nguyen CQ; Division of Theoretical Physics, Dong Thap University Cao Lanh 870000 Vietnam hvphuc@dthu.edu.vn.
Nanoscale Adv ; 6(4): 1193-1201, 2024 Feb 13.
Article en En | MEDLINE | ID: mdl-38356616
ABSTRACT
The emergence of van der Waals (vdW) heterostructures, which consist of vertically stacked two-dimensional (2D) materials held together by weak vdW interactions, has introduced an innovative avenue for tailoring nanoelectronic devices. In this study, we have theoretically designed a metal/semiconductor heterostructure composed of NbS2 and Janus MoSSe, and conducted a thorough investigation of its electronic properties and the formation of contact barriers through first-principles calculations. The effects of stacking configurations and the influence of external electric fields in enhancing the tunability of the NbS2/Janus MoSSe heterostructure are also explored. Our findings demonstrate that the NbS2/MoSSe heterostructure is not only structurally and thermally stable but also exfoliable, making it a promising candidate for experimental realization. In its ground state, this heterostructure exhibits p-type Schottky contacts characterized by small Schottky barriers and low tunneling barrier resistance, showing its considerable potential for utilization in electronic devices. Additionally, our findings reveal that the electronic properties, contact barriers and contact types of the NbS2/MoSSe heterostructure can be tuned by applying electric fields. A negative electric field leads to a conversion from a p-type Schottky contact to an n-type Schottky contact, whereas a positive electric field gives rise to a transformation from a Schottky into an ohmic contact. These insights offer valuable theoretical guidance for the practical utilization of the NbS2/MoSSe heterostructure in the development of next-generation electronic and optoelectronic devices.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Guideline / Prognostic_studies / Risk_factors_studies Idioma: En Revista: Nanoscale Adv Año: 2024 Tipo del documento: Article

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Guideline / Prognostic_studies / Risk_factors_studies Idioma: En Revista: Nanoscale Adv Año: 2024 Tipo del documento: Article
...