Machine learning for materials discovery: Two-dimensional topological insulators

GR Schleder, B Focassio, A Fazzio - Applied Physics Reviews, 2021 - pubs.aip.org
One of the main goals and challenges of materials discovery is to find the best candidates
for each interest property or application. Machine learning rises in this context to efficiently …

Copper II oxide nanoparticles (CuONPs) alter metabolic markers and swimming activity in zebra-fish (Danio rerio)

MI de Oliveira Eiras, LS da Costa, E Barbieri - … Biochemistry and Physiology …, 2022 - Elsevier
The present study aimed to compare the metabolic effects caused by using copper oxide
nanoparticles with two distinct morphologies nanorods and nanosphere. The CuONPs in the …

Substrate suppression of oxidation process in pnictogen monolayers

RLH Freire, FC de Lima, A Fazzio - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
2D materials present an interesting platform for device designs. However, oxidation can
drastically change the system's properties, which need to be accounted for. Through ab initio …

Structural and electronic properties of realistic two-dimensional amorphous topological insulators

B Focassio, GR Schleder, M Costa, A Fazzio… - 2D …, 2021 - iopscience.iop.org
We investigate the structure and electronic spectra properties of two-dimensional
amorphous bismuthene structures and show that these systems are topological insulators …

Ultrafast momentum-resolved hot electron dynamics in the two-dimensional topological insulator bismuthene

J Maklar, R Stühler, M Dendzik, T Pincelli, S Dong… - Nano Letters, 2022 - ACS Publications
Two-dimensional quantum spin Hall (QSH) insulators are a promising material class for
spintronic applications based on topologically protected spin currents in their edges. Yet …

Breakdown of topological protection due to nonmagnetic edge disorder in two-dimensional materials in the quantum spin Hall phase

LRF Lima, C Lewenkopf - Physical Review B, 2022 - APS
We study the suppression of the conductance quantization in quantum spin Hall systems by
a combined effect of electronic interactions and edge disorder, that is ubiquitous in …

At the verge of topology: vacancy-driven quantum spin Hall in trivial insulators

F Crasto de Lima, A Fazzio - Nano Letters, 2021 - ACS Publications
Vacancies in materials structure─ lowering its atomic density─ take the system closer to the
atomic limit, to which all systems are topologically trivial. Here we show a mechanism of …

Topological squashed entanglement: Nonlocal order parameter for one-dimensional topological superconductors

A Maiellaro, A Marino, F Illuminati - Physical Review Research, 2022 - APS
Identifying entanglement-based order parameters characterizing topological systems, in
particular topological superconductors and topological insulators, has remained a major …

Electronic and spin transport in Bismuthene with magnetic impurities

A Pezo, FC de Lima, A Fazzio - Solid State Communications, 2023 - Elsevier
Topological insulators have remained as candidates for future electronic devices since their
first experimental realization in the past decade. The existence of topologically protected …

Squashed entanglement in one-dimensional quantum matter

A Maiellaro, F Romeo, R Citro, F Illuminati - Physical Review B, 2023 - APS
Squashed entanglement and its universal upper bound, the quantum conditional mutual
information, are faithful measures of bipartite quantum correlations defined in terms of …