Semiconductor moiré materials

KF Mak, J Shan - Nature Nanotechnology, 2022 - nature.com
Moiré materials have emerged as a platform for exploring the physics of strong electronic
correlations and non-trivial band topology. Here we review the recent progress in …

A common thread: The pairing interaction for unconventional superconductors

DJ Scalapino - Reviews of Modern Physics, 2012 - APS
The structures, the phase diagrams, and the appearance of a neutron resonance signaling
an unconventional superconducting state provide phenomenological evidence relating the …

Superconductivity in a quintuple-layer square-planar nickelate

GA Pan, D Ferenc Segedin, H LaBollita, Q Song… - Nature materials, 2022 - nature.com
Since the discovery of high-temperature superconductivity in copper oxide materials, there
have been sustained efforts to both understand the origins of this phase and discover new …

Charge order and broken rotational symmetry in magic-angle twisted bilayer graphene

Y Jiang, X Lai, K Watanabe, T Taniguchi, K Haule… - Nature, 2019 - nature.com
Bilayer graphene can be modified by rotating (twisting) one layer with respect to the other.
The interlayer twist gives rise to a moiré superlattice that affects the electronic motion and …

Correlated insulating states at fractional fillings of the WS2/WSe2 moiré lattice

X Huang, T Wang, S Miao, C Wang, Z Li, Z Lian… - Nature Physics, 2021 - nature.com
The strong electron interactions in the minibands formed in moiré superlattices of van der
Waals materials, such as twisted graphene and transition metal dichalcogenides, make such …

Stripe phases in WSe2/WS2 moiré superlattices

C **, Z Tao, T Li, Y Xu, Y Tang, J Zhu, S Liu… - Nature Materials, 2021 - nature.com
Stripe phases, in which the rotational symmetry of charge density is spontaneously broken,
occur in many strongly correlated systems with competing interactions,,,,,,,,,–. However …

A broken translational symmetry state in an infinite-layer nickelate

M Rossi, M Osada, J Choi, S Agrestini, D Jost, Y Lee… - Nature Physics, 2022 - nature.com
A defining signature of strongly correlated electronic systems is a rich phase diagram, which
consists of multiple broken symmetries, such as magnetism, superconductivity and charge …

Kekulé spiral order at all nonzero integer fillings in twisted bilayer graphene

YH Kwan, G Wagner, T Soejima, MP Zaletel, SH Simon… - Physical Review X, 2021 - APS
We study magic angle graphene in the presence of both strain and particle-hole symmetry
breaking due to nonlocal interlayer tunneling. We perform a self-consistent Hartree-Fock …

Resonant x-ray scattering studies of charge order in cuprates

R Comin, A Damascelli - Annual Review of Condensed Matter …, 2016 - annualreviews.org
X-ray techniques have been used for more than a century to study the atomic and electronic
structure in practically any type of material. The advent of correlated electron systems, in …

Competing States in the - Model: Uniform -Wave State versus Stripe State

P Corboz, TM Rice, M Troyer - Physical review letters, 2014 - APS
Variational studies of the tJ model on the square lattice based on infinite projected-
entangled pair states confirm an extremely close competition between a uniform d-wave …