Related Experiment Video
Updated: Mar 11, 2026

Fabricating van der Waals Heterostructures with Precise Rotational Alignment
Published on: July 5, 2019
The electronic structure and spin states of 2D graphene/VX2 (X = S, Se) heterostructures
Z I Popov1, N S Mikhaleva2, M A Visotin2
1National University of Science and Technology MISiS, 4 Leninskiy prospekt, Moscow, 119049, Russian Federation. zipcool@bk.ru.
Abstract:
The structural, magnetic and electronic properties of 2D VX2 (X = S, Se) monolayers and graphene/VX2 heterostructures were studied using a DFT+U approach. It was found that the stability of the 1T phases of VX2 monolayers is linked to strong electron correlation effects. The study of vertical junctions comprising of graphene and VX2 monolayers demonstrated that interlayer interactions lead to the formation of strong spin polarization of both graphene and VX2 fragments while preserving the linear dispersion of graphene-originated bands. It was found that the insertion of Mo atoms between the layers leads to n-doping of graphene with a selective transformation of graphene bands keeping the spin-down Dirac cone intact.
Related Concept Videos
Valence Bond Theory
Atomic Nuclei: Nuclear Spin State Overview
Hybridization of Atomic Orbitals I
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
VSEPR Theory and the Effect of Lone Pairs
The Pauli Exclusion Principle

