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Amorphization-induced topological and insulator-metal transitions in bidimensional BiSb alloys
A. J. Uría-Álvarez, J. J. Palacios
Bismuth has been shown to be topological in its different allotropes and compounds, with one of the most notable examples being the Bi-Sb alloy, the first 3D topological insulator…
Excitons in nonlinear optical responses: shift current in MoS and GeS monolayers
J. J. Esteve-Paredes, M. A. García-Blázquez, A. J. Uría-Álvarez +2
It is well-known that exciton effects are determinant to understand the optical absorption spectrum of low-dimensional materials. However, the role of excitons in nonlinear optical…
Topologically protected photovoltaics in Bi nanoribbons
Alejandro José Uría-Álvarez, Juan José Palacios
Photovoltaic efficiency in solar cells is hindered by many unwanted effects. Radiative channels (emission of photons) sometimes mediated by non-radiative ones (emission of phonons)…