Work

Symmetry-based tight-binding Hamiltonian for monolayer 1 T’-MoS 2 : spin textures and spin-resolved transport in nanoribbons

Year: 2026

Type: article

Abstract: We develop a four-band tight-binding (TB) model for monolayer 1 T'-MoSunder a perpendicular electric field (PEF), which reproduces the non-parabolic band dispersion, field effects, and spin texture in agreement with first-principles calculations. Using this model, we show that charge carriers in nanoribbons exhibit net spin polarization solely along thedirection, with theandcomponents canceled by mirror symmetry. The spin conductance of 1 T'-MoSnanoribbons is calculated using the non-equilibrium Green's function method combined with the TB model, revealing that the-polarized spin conductance induced by the PEF remains robust against impurities when the Fermi level is located within the topological band gap.

Source: Nanotechnology

DOI: 10.1088/1361-6528/ae83c2

Author: Ma Zhou

Institution: Nanchang University

Language: English

Topic: 2D Materials and Applications

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $3,325

Funder: National Natural Science Foundation of China