New dimension in magnetism and superconductivity: 3D and curvilinear nanoarchitectures

D Makarov, OM Volkov, A Kákay… - Advanced …, 2022 - Wiley Online Library
Traditionally, the primary field, where curvature has been at the heart of research, is the
theory of general relativity. In recent studies, however, the impact of curvilinear geometry …

Studying quantum materials with scanning SQUID microscopy

E Persky, I Sochnikov, B Kalisky - Annual Review of Condensed …, 2022 - annualreviews.org
Electronic correlations give rise to fascinating macroscopic phenomena such as
superconductivity, magnetism, and topological phases of matter. Although these …

Map** the twist-angle disorder and Landau levels in magic-angle graphene

A Uri, S Grover, Y Cao, JA Crosse, K Bagani… - Nature, 2020 - nature.com
The recently discovered flat electronic bands and strongly correlated and superconducting
phases in magic-angle twisted bilayer graphene (MATBG), crucially depend on the …

Chern mosaic and Berry-curvature magnetism in magic-angle graphene

S Grover, M Bocarsly, A Uri, P Stepanov, G Di Battista… - Nature physics, 2022 - nature.com
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 …

Direct observation of vortices in an electron fluid

A Aharon-Steinberg, T Völkl, A Kaplan, AK Pariari… - Nature, 2022 - nature.com
Vortices are the hallmarks of hydrodynamic flow. Strongly interacting electrons in ultrapure
conductors can display signatures of hydrodynamic behaviour, including negative non-local …

Direct observation of a superconducting vortex diode

A Gutfreund, H Matsuki, V Plastovets, A Noah… - Nature …, 2023 - nature.com
The interplay between magnetism and superconductivity can lead to unconventional
proximity and Josephson effects. A related phenomenon that has recently attracted …

Imaging orbital ferromagnetism in a moiré Chern insulator

CL Tschirhart, M Serlin, H Polshyn, A Shragai, Z **a… - Science, 2021 - science.org
Electrons in moiré flat band systems can spontaneously break time-reversal symmetry,
giving rise to a quantized anomalous Hall effect. In this study, we use a superconducting …

Direct magnetic imaging of fractional Chern insulators in twisted MoTe2

E Redekop, C Zhang, H Park, J Cai, E Anderson… - Nature, 2024 - nature.com
Orbital magnetization provides a sensitive probe of topology and interactions, with
particularly rich phenomenology in Chern insulators in which the topological edge states …

[HTML][HTML] Imaging quantum oscillations and millitesla pseudomagnetic fields in graphene

H Zhou, N Auerbach, M Uzan, Y Zhou, N Banu, W Zhi… - Nature, 2023 - nature.com
The exceptional control of the electronic energy bands in atomically thin quantum materials
has led to the discovery of several emergent phenomena. However, at present there is no …

Magnetic imaging and domain nucleation in CrSBr down to the 2D limit

Y Zur, A Noah, C Boix‐Constant… - Advanced …, 2023 - Wiley Online Library
Recent advancements in 2D materials have revealed the potential of van der Waals
magnets, and specifically of their magnetic anisotropy that allows applications down to the …