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 …

Enabling room temperature ferromagnetism in monolayer MoS2 via in situ iron-doping

S Fu, K Kang, K Shayan, A Yoshimura, S Dadras… - Nature …, 2020 - nature.com
Two-dimensional semiconductors, including transition metal dichalcogenides, are of interest
in electronics and photonics but remain nonmagnetic in their intrinsic form. Previous efforts …

Computational framework chinook for angle-resolved photoemission spectroscopy

RP Day, B Zwartsenberg, IS Elfimov… - npj Quantum …, 2019 - nature.com
We have developed the numerical software package chinook for the simulation of
photoemission matrix elements. This quantity encodes a depth of information regarding the …

Surface charge induced Dirac band splitting in a charge density wave material

H Yi, Z Huang, W Shi, L Min, R Wu, CM Polley… - Physical Review …, 2021 - APS
(Ta Se 4) 2 I, a quasi-one-dimensional (1D) crystal, shows a characteristic temperature-
driven metal-insulator phase transition. Above the charge density wave (CDW) temperature …

[HTML][HTML] Spin-dependent quantum interference in photoemission process from spin-orbit coupled states

K Yaji, K Kuroda, S Toyohisa, A Harasawa… - Nature …, 2017 - nature.com
Spin–orbit interaction entangles the orbitals with the different spins. The spin–orbital-
entangled states were discovered in surface states of topological insulators. However, the …

Dirac nodal arc in 1T-VSe2

T Yilmaz, X Jiang, D Lu, PM Sheverdyaeva… - Communications …, 2023 - nature.com
Transition metal dichalcogenides exhibit many fascinating properties including
superconductivity, magnetic orders, and charge density wave. The combination of these …

Studying local Berry curvature in 2H-WSe2 by circular dichroism photoemission utilizing crystal mirror plane

S Cho, JH Park, S Huh, J Hong, W Kyung, BG Park… - Scientific reports, 2021 - nature.com
It was recently reported that circular dichroism in angle-resolved photoemission
spectroscopy (CD-ARPES) can be used to observe the Berry curvature in 2H-WSe2 (Cho et …

Generation of spin-polarized hot electrons at topological insulators surfaces by scattering from collective charge excitations

K Zakeri, J Wettstein, C Sürgers - Communications Physics, 2021 - nature.com
Topological insulators (TIs) are materials which exhibit topologically protected electronic
surface states, acting as mass-less Dirac fermions. Beside their fascinating fundamental …

Observation and theory of strong circular dichroism in angle-revolved photoemission from graphite

P Krüger, F Matsui - Journal of Electron Spectroscopy and Related …, 2022 - Elsevier
Experimental angle-resolved photoemission spectra (ARPES) and its circular dichroism
(CD) from a graphite surface are reported together with calculations in the one-step model of …

Uniform Diffusion of Cooper Pairing Mediated by Hole Carriers in Topological Sb2Te3/Nb

JA Hlevyack, S Najafzadeh, Y Li, T Nagashima… - ACS …, 2024 - ACS Publications
Spin-helical Dirac Fermions at a doped topological insulator's boundaries can support
Majorana quasiparticles when coupled with s-wave superconductors, but in n-doped …