The transformation of digital computers from bulky machines to portable systems has been
enabled by new materials and advanced processing technologies that allow ultrahigh …

This is a review on graphene quantum dots and their use as a host for spin qubits. We
discuss the advantages but also the challenges to use graphene quantum dots for spin …

Monolayer transition metal dichalcogenides (TMDs) offer new opportunities for realizing
quantum dots (QDs) in the ultimate two-dimensional (2D) limit. Given the rich control …

Trapping electrons in quantum dots and controlling their quantum states is crucial for
converting semiconductor structures into bits of quantum information processing. Here, we …

Propagation of an electron wave packet through a quantum point contact (QPC) defined by
electrostatic gates in bilayer graphene is investigated. The gates provide a bias between the …

At the interface of electrostatic potential kink profiles, one-dimensional chiral states are
found in bilayer graphene (BLG). Such structures can be created by applying an asymmetric …

Often real samples of graphene consist of islands of both monolayer and bilayer graphene.
Bound states in such hybrid quantum dots are investigated for (i) a circular single-layer …

We propose a new system where electron and hole states are electrostatically confined into
a quantum ring in bilayer graphene. These structures can be created by tuning the gap of …

Using the four-band continuum model we derive a general expression for the infinite-mass
boundary condition in bilayer graphene. Applying this new boundary condition we …

A parabolic quantum dot (QD) as realized by biasing nanostructured gates on bilayer
graphene is investigated in the presence of electron-electron interaction. The energy …