Angle-resolved photoemission spectroscopy

H Zhang, T Pincelli, C Jozwiak, T Kondo… - Nature Reviews …, 2022 - nature.com
For solid-state materials, the electronic structure is critical in determining a crystal's physical
properties. By experimentally detecting the electronic structure, the fundamental physics can …

ARPES signatures of few-layer twistronic graphenes

JE Nunn, A McEllistrim, A Weston, A Garcia-Ruiz… - Nano Letters, 2023 - ACS Publications
Diverse emergent correlated electron phenomena have been observed in twisted-graphene
layers. Many electronic structure predictions have been reported exploring this new field, but …

Accessing the spectral function of in operando devices by angle-resolved photoemission spectroscopy

P Hofmann - AVS Quantum Science, 2021 - pubs.aip.org
Progress in performing angle-resolved photoemission spectroscopy (ARPES) with high
spatial resolution on the order of 1 μm or less (nanoARPES) has opened the possibility to …

Observation of electrically tunable van Hove singularities in twisted bilayer graphene from NanoARPES

AJH Jones, R Muzzio, P Majchrzak, S Pakdel… - Advanced …, 2020 - Wiley Online Library
The possibility of triggering correlated phenomena by placing a singularity of the density of
states near the Fermi energy remains an intriguing avenue toward engineering the …

Revealing flat bands and hybridization gaps in a twisted bilayer graphene device with microARPES

Z Jiang, K Hsieh, AJH Jones, P Majchrzak… - 2D …, 2023 - iopscience.iop.org
Controlling the electronic structure of two-dimensional materials using the combination of
twist angle and electrostatic do** is an effective means to induce emergent phenomena …

Dry pick-and-flip assembly of van der Waals heterostructures for microfocus angle-resolved photoemission spectroscopy

S Masubuchi, M Sakano, Y Tanaka, Y Wakafuji… - Scientific Reports, 2022 - nature.com
We present a dry pick-and-flip assembly technique for angle-resolved photoemission
spectroscopy (ARPES) of van der Waals heterostructures. By combining Elvacite2552C …

Autonomous micro-focus angle-resolved photoemission spectroscopy

SÝ Ágústsson, AJH Jones, D Curcio… - Review of Scientific …, 2024 - pubs.aip.org
Angle-resolved photoemission spectroscopy (ARPES) is a technique used to map the
occupied electronic structure of solids. Recent progress in x-ray focusing optics has led to …

Accessing the spectral function in a current-carrying device

D Curcio, AJH Jones, R Muzzio, K Volckaert… - Physical Review Letters, 2020 - APS
The presence of an electrical transport current in a material is one of the simplest and most
important realizations of nonequilibrium physics. The current density breaks the crystalline …

In operando angle‐resolved photoemission spectroscopy with nanoscale spatial resolution: spatial map** of the electronic structure of twisted bilayer graphene

P Majchrzak, R Muzzio, AJH Jones, D Curcio… - Small …, 2021 - Wiley Online Library
To pinpoint the electronic and structural mechanisms that affect intrinsic and extrinsic
performance limits of 2D material devices, it is of critical importance to resolve the electronic …

Nanoscale view of engineered massive Dirac quasiparticles in lithographic superstructures

AJH Jones, L Gammelgaard, MO Sauer, D Biswas… - ACS …, 2022 - ACS Publications
Massive Dirac fermions are low-energy electronic excitations characterized by a hyperbolic
band dispersion. They play a central role in several emerging physical phenomena such as …