Spin gapless quantum materials and devices

M Nadeem, X Wang - Advanced Materials, 2024 - Wiley Online Library
Quantum materials, with nontrivial quantum phenomena and mechanisms, promise efficient
quantum technologies with enhanced functionalities. Quantum technology is held back …

Spin–orbital coupling in all-inorganic metal-halide perovskites: The hidden force that matters

PR Anandan, M Nadeem, CH Lin, S Singh… - Applied Physics …, 2023 - pubs.aip.org
Highlighted with improved long-term thermal and environmental stability, all-inorganic metal
halide perovskites exhibit tunable physical properties, cost-effective synthesis, and …

Different shapes of spin textures as a journey through the Brillouin zone

C Mera Acosta, L Yuan, GM Dalpian, A Zunger - Physical Review B, 2021 - APS
Crystallographic point group symmetry (CPGS) such as polar and nonpolar crystal classes
have long been known to classify compounds that have spin-orbit-induced spin splitting …

Topological quantum matter to topological phase conversion: Fundamentals, materials, physical systems for phase conversions, and device applications

MMH Polash, S Yalameha, H Zhou, K Ahadi… - Materials Science and …, 2021 - Elsevier
The spin-orbit coupling field, an atomic magnetic field inside a Kramers' system, or discrete
symmetries can create a topological torus in the Brillouin Zone and provide protected edge …

The Rashba scale: Emergence of band anti-crossing as a design principle for materials with large Rashba coefficient

CM Acosta, E Ogoshi, A Fazzio, GM Dalpian, A Zunger - Matter, 2020 - cell.com
The spin-orbit-induced spin splitting of energy bands in low-symmetry compounds (the
Rashba effect) has a long-standing relevance to spintronic applications and the fundamental …

A twist for tunable electronic and thermal transport properties of nanodevices

A Ostovan, KZ Milowska, CJ García-Cervera - Nanoscale, 2024 - pubs.rsc.org
Twisted graphene-layered materials with nonzero interlayer twist angles (θ) have recently
become appealing, as they exhibit a range of attractive physical properties, which include a …

Quantization of spin Hall conductivity in two-dimensional topological insulators versus symmetry and spin-orbit interaction

F Matusalem, M Marques, LK Teles, L Matthes… - Physical Review B, 2019 - APS
The third-rank tensor of the static spin Hall conductivity is investigated for two-dimensional
(2D) topological insulators by electronic structure calculations. For highly symmetric …

High-throughput inverse design and Bayesian optimization of functionalities: spin splitting in two-dimensional compounds

GM Nascimento, E Ogoshi, A Fazzio, CM Acosta… - Scientific Data, 2022 - nature.com
The development of spintronic devices demands the existence of materials with some kind
of spin splitting (SS). In this Data Descriptor, we build a database of ab initio calculated SS in …

Zeeman-type spin splitting in nonmagnetic three-dimensional compounds

C Mera Acosta, A Fazzio, GM Dalpian - npj Quantum Materials, 2019 - nature.com
Despite its potential for device application, the nonmagnetic Zeeman effect has only been
predicted and observed in two-dimensional compounds. We demonstrate that …

Fractality in resistive circuits: the Fibonacci resistor networks

PHR dos Anjos, FA Oliveira, DL Azevedo - The European Physical …, 2024 - Springer
We propose two new kinds of infinite resistor networks based on the Fibonacci sequence: a
serial association of resistor sets connected in parallel (type 1) or a parallel association of …