Angle-resolved photoemission spectroscopy and its application to topological materials

B Lv, T Qian, H Ding - Nature Reviews Physics, 2019 - nature.com
Angle-resolved photoemission spectroscopy (ARPES)—an experimental technique based
on the photoelectric effect—is arguably the most powerful method for probing the electronic …

Recent Advances in Moiré Superlattice Systems by Angle‐Resolved Photoemission Spectroscopy

Y Li, Q Wan, N Xu - Advanced Materials, 2023 - Wiley Online Library
The last decade has witnessed a flourish in 2D materials including graphene and transition
metal dichalcogenides (TMDs) as atomic‐scale Legos. Artificial moiré superlattices via …

Observation of flat bands in twisted bilayer graphene

S Lisi, X Lu, T Benschop, TA de Jong, P Stepanov… - Nature Physics, 2021 - nature.com
Transport experiments in twisted bilayer graphene have revealed multiple superconducting
domes separated by correlated insulating states,,,–. These properties are generally …

Evidence for a higher-order topological insulator in a three-dimensional material built from van der Waals stacking of bismuth-halide chains

R Noguchi, M Kobayashi, Z Jiang, K Kuroda… - Nature Materials, 2021 - nature.com
Low-dimensional van der Waals materials have been extensively studied as a platform with
which to generate quantum effects. Advancing this research, topological quantum materials …

Nitrogen-doped graphene: efficient growth, structure, and electronic properties

D Usachov, O Vilkov, A Gruneis, D Haberer… - Nano …, 2011 - ACS Publications
A novel strategy for efficient growth of nitrogen-doped graphene (N-graphene) on a large
scale from s-triazine molecules is presented. The growth process has been unveiled in situ …

Visualizing electrostatic gating effects in two-dimensional heterostructures

PV Nguyen, NC Teutsch, NP Wilson, J Kahn, X Xia… - Nature, 2019 - nature.com
The ability to directly monitor the states of electrons in modern field-effect devices—for
example, imaging local changes in the electrical potential, Fermi level and band structure as …

Determination of band offsets, hybridization, and exciton binding in 2D semiconductor heterostructures

NR Wilson, PV Nguyen, K Seyler, P Rivera… - Science …, 2017 - science.org
Combining monolayers of different two-dimensional semiconductors into heterostructures
creates new phenomena and device possibilities. Understanding and exploiting these …

Development of a versatile micro-focused angle-resolved photoemission spectroscopy system with Kirkpatrick–Baez mirror optics

M Kitamura, S Souma, A Honma… - Review of Scientific …, 2022 - pubs.aip.org
Angle-resolved photoemission spectroscopy using a micro-focused beam spot [micro-angle-
resolved photoemission spectroscopy (ARPES)] is becoming a powerful tool to elucidate key …

Indirect to direct gap crossover in two-dimensional InSe revealed by angle-resolved photoemission spectroscopy

MJ Hamer, J Zultak, AV Tyurnina, V Zólyomi, D Terry… - ACS …, 2019 - ACS Publications
Atomically thin films of III–VI post-transition metal chalcogenides (InSe and GaSe) form an
interesting class of two-dimensional semiconductors that feature a strong variation of their …

A weak topological insulator state in quasi-one-dimensional bismuth iodide

R Noguchi, T Takahashi, K Kuroda, M Ochi… - Nature, 2019 - nature.com
The major breakthroughs in understanding of topological materials over the past decade
were all triggered by the discovery of the Z2-type topological insulator—a type of material …