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7 papers · 2 filters
Boosting quantum yields in 2D semiconductors via proximal metal plates
Yongjun Lee, Anshuman Kumar, Johnathas D'arf Severo Forte +8
Monolayer transition metal dichalcogenides (1L-TMDs) have tremendous potential as atomically thin, direct bandgap semiconductors that can be used as convenient building blocks for…
Visualization and Manipulation of Bilayer Graphene Quantum Dots with Broken Rotational Symmetry and Nontrivial Topology
Zhehao Ge, Frederic Joucken, Eberth Quezada +8
Electrostatically defined quantum dots (QDs) in Bernal stacked bilayer graphene (BLG) are a promising quantum information platform because of their long spin decoherence times, hig…
Electronic and transport properties of anisotropic semiconductor quantum wires
S. M. Cunha, D. R. da Costa, L. C. Felix +2
Within the effective-mass approximation, we theoretically investigated the electronic and transport properties of 2D semiconductor quantum wires (QWs) with anisotropic effective ma…
Two dimensional electron gas in a non-Euclidean space
R. N. Costa Filho, S. F. S. Oliveira, V. Aguiar
A charged particle in the presence of a magnetic field is studied in the position dependent operator formalism. Instead of a quantum harmonic oscillator, the solution of the result…
Current modulation in graphene p-n junctions with external fields
F. R. V. Araújo, D. R. da Costa, A. C. S. Nascimento +1
In this work we describe a proposal for a graphene-based nanostructure that modulates electric current even in the absence of a gap in the band structure. The device consists of a…
Effect of zitterbewegung on the propagation of wave packets in ABC-stacked multilayer graphene: an analytical and computational approach
I. R. Lavor, D. R. da Costa, Andrey Chaves +4
The time evolution of a low-energy two-dimensional Gaussian wave packet in ABC-stacked -layer graphene (ABC-NLG) is investigated. Expectation values of the position of c…