In this paper, we review the tight-binding model in the first and second quantization and
show how it can be used to calculate the energy spectrum of some crystals. From an …

The electronic and adsorption properties of chemically modified square hexagonal boron
nitride quantum dots are investigated using density functional theory calculations. The free …

We study the electronic and optical properties of single-layer phosphorene quantum dots
with various shapes, sizes, and edge types (including disordered edges) subjected to an …

The emergence of controlled, two-dimensional moiré materials,,,,–has uncovered a new
platform for investigating topological physics,–. Twisted double bilayer graphene has been …

Within a tight-binding approach, we investigate the effect of twisting angle on the energy
levels of circular bilayer graphene (BLG) quantum dots (QDs) in both the absence and …

The electronic and interband optical properties of vertically coupled stacked graphene
quantum dots are investigated using the tight-binding method. Both zigzag and armchair …

We study numerically the optical properties of low-buckled silicene and AB-stacked bilayer
graphene quantum dots subjected to an external electric field, which is normal to their …

Abstract 2D carbon nanomaterial graphene has been the subject of intense research on
optoelectronic properties. Advancements in graphene-based optoelectronic devices can …

The electronic and adsorption properties of chevron and cove-edged graphene nanoribbons
(GNRs) are studied using first principles calculations. The positive binding and adsorption …

We propose a controllable qubit in a graphene nanobubble (NB) with emergent two-level
systems (TLSs) induced by pseudo-magnetic fields (PMFs). We found that double quantum …