Reproducibility in the fabrication and physics of moiré materials
Overlaying two atomic layers with a slight lattice mismatch or at a small rotation angle
creates a moiré superlattice, which has properties that are markedly modified from (and at …
creates a moiré superlattice, which has properties that are markedly modified from (and at …
Superconductivity and correlated phases in non-twisted bilayer and trilayer graphene
Twisted bilayer graphene has a rich phase diagram, including superconductivity. Recently,
an unexpected discovery has been the observation of superconductivity in non-twisted …
an unexpected discovery has been the observation of superconductivity in non-twisted …
Fractional Chern insulators in magic-angle twisted bilayer graphene
Abstract Fractional Chern insulators (FCIs) are lattice analogues of fractional quantum Hall
states that may provide a new avenue towards manipulating non-Abelian excitations. Early …
states that may provide a new avenue towards manipulating non-Abelian excitations. Early …
Symmetry-broken Josephson junctions and superconducting diodes in magic-angle twisted bilayer graphene
The coexistence of gate-tunable superconducting, magnetic and topological orders in magic-
angle twisted bilayer graphene provides opportunities for the creation of hybrid Josephson …
angle twisted bilayer graphene provides opportunities for the creation of hybrid Josephson …
Anomalous Hall crystals in rhombohedral multilayer graphene. I. Interaction-driven Chern bands and fractional quantum Hall states at zero magnetic field
Recent experiments on rhombohedral pentalayer graphene with a substrate-induced moiré
potential have identified both Chern insulators and fractional quantum Hall states at zero …
potential have identified both Chern insulators and fractional quantum Hall states at zero …
Chern mosaic and Berry-curvature magnetism in magic-angle graphene
Charge carriers in magic-angle graphene come in eight flavours described by a combination
of their spin, valley and sublattice polarizations. When inversion and time-reversal …
of their spin, valley and sublattice polarizations. When inversion and time-reversal …
Magic-angle helical trilayer graphene
We propose magic-angle helical trilayer graphene (HTG), a helical structure featuring
identical rotation angles between three consecutive layers of graphene, as a unique and …
identical rotation angles between three consecutive layers of graphene, as a unique and …
Symmetry-broken Chern insulators and Rashba-like Landau-level crossings in magic-angle bilayer graphene
Flat bands in magic-angle twisted bilayer graphene (MATBG) have recently emerged as a
rich platform to explore strong correlations, superconductivity,,–and magnetism,,. However …
rich platform to explore strong correlations, superconductivity,,–and magnetism,,. However …
Kondo lattice model of magic-angle twisted-bilayer graphene: Hund's rule, local-moment fluctuations, and low-energy effective theory
We apply a generalized Schrieffer-Wolff transformation to the extended Anderson-like
topological heavy fermion (THF) model for the magic-angle (θ= 1.0 5°) twisted bilayer …
topological heavy fermion (THF) model for the magic-angle (θ= 1.0 5°) twisted bilayer …
Spin-orbit–driven ferromagnetism at half moiré filling in magic-angle twisted bilayer graphene
Strong electron correlation and spin-orbit coupling (SOC) can have a profound influence on
the electronic properties of materials. We examined their combined influence on a two …
the electronic properties of materials. We examined their combined influence on a two …