Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021 - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Dirac materials

TO Wehling, AM Black-Schaffer… - Advances in Physics, 2014 - Taylor & Francis
A wide range of materials, like d-wave superconductors, graphene, and topological
insulators, share a fundamental similarity: their low-energy fermionic excitations behave as …

Room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques

Y Wang, D Zhu, Y Wu, Y Yang, J Yu… - Nature …, 2017 - nature.com
Topological insulators with spin-momentum-locked topological surface states are expected
to exhibit a giant spin-orbit torque in the topological insulator/ferromagnet systems. To date …

High-harmonic generation from topological surface states

Y Bai, F Fei, S Wang, N Li, X Li, F Song, R Li, Z Xu… - Nature Physics, 2021 - nature.com
Three-dimensional topological insulators are a phase of matter that hosts unique spin-
polarized gapless surface states that are protected by time-reversal symmetry. They exhibit …

All-optical probe of three-dimensional topological insulators based on high-harmonic generation by circularly polarized laser fields

D Baykusheva, A Chacón, J Lu, TP Bailey… - Nano …, 2021 - ACS Publications
We report the observation of an anomalous nonlinear optical response of the prototypical
three-dimensional topological insulator bismuth selenide through the process of high-order …

Topological crystalline insulator states in Pb1−xSnxSe

P Dziawa, BJ Kowalski, K Dybko, R Buczko… - Nature materials, 2012 - nature.com
Topological insulators are a class of quantum materials in which time-reversal symmetry,
relativistic effects and an inverted band structure result in the occurrence of electronic …

2D metal chalcogenides for IR photodetection

F Wang, Y Zhang, Y Gao, P Luo, J Su, W Han, K Liu… - Small, 2019 - Wiley Online Library
Infrared (IR) photodetectors are finding diverse applications in imaging, information
communication, military, etc. 2D metal chalcogenides (2DMCs) have attracted increasing …

Topological Surface States Originated Spin-Orbit Torques in

Y Wang, P Deorani, K Banerjee, N Koirala, M Brahlek… - Physical review …, 2015 - APS
The three dimensional topological insulator bismuth selenide (Bi 2 Se 3) is expected to
possess strong spin-orbit coupling and spin-textured topological surface states and, thus …

Observation of giant spin splitting and d-wave spin texture in room temperature altermagnet RuO2

Z Lin, D Chen, W Lu, X Liang, S Feng… - ar** propagation of collective modes in Bi2Se3 and Bi2Te2.2Se0.8 topological insulators by near-field terahertz nanoscopy
EAA Pogna, L Viti, A Politano, M Brambilla… - Nature …, 2021 - nature.com
Near-field microscopy discloses a peculiar potential to explore novel quantum state of matter
at the nanoscale, providing an intriguing playground to investigate, locally, carrier dynamics …