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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…
Highly Confined In-plane Exciton-Polaritons in Monolayer Semiconductors
Itai Epstein, Andre J. Chaves, Daniel A. Rhodes +7
2D materials support unique excitations of quasi-particles that consist of a material excitation and photons called polaritons. Especially interesting are in-plane propagating pola…
Probing the structure and composition of van der Waals heterostructures using the nonlocality of Dirac plasmons in the terahertz regime
I. R. Lavor, L. S. R. Cavalcante, Andrey Chaves +2
Dirac plasmons in graphene are very sensitive to the dielectric properties of the environment. We show that this can be used to probe the structure and composition of van der Waals…
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…
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…
Exciton g-factors of van der Waals heterostructures from first principles calculations
Tomasz Woźniak, Paulo E. Faria Junior, Gotthard Seifert +2
External fields are a powerful tool to probe optical excitations in a material. The linear energy shift of an excitation in a magnetic field is quantified by its effective g-factor…