Theory of 2D crystals: graphene and beyond

R Roldán, L Chirolli, E Prada, JA Silva-Guillén… - Chemical Society …, 2017 - pubs.rsc.org
This tutorial review presents an overview of the basic theoretical aspects of two-dimensional
(2D) crystals. We revise essential aspects of graphene and the new families of …

Review of 2D superconductivity: the ultimate case of epitaxial monolayers

C Brun, T Cren, D Roditchev - Superconductor Science and …, 2016 - iopscience.iop.org
The purpose of this review is to focus from an experimental point-of-view on the new
physical properties of some of the thinnest superconducting films that can be fabricated and …

Single-atom vibrational spectroscopy in the scanning transmission electron microscope

FS Hage, G Radtke, DM Kepaptsoglou, M Lazzeri… - Science, 2020 - science.org
Single-atom impurities and other atomic-scale defects can notably alter the local vibrational
responses of solids and, ultimately, their macroscopic properties. Using high-resolution …

Single-atom vibrational spectroscopy with chemical-bonding sensitivity

M Xu, DL Bao, A Li, M Gao, D Meng, A Li, S Du, G Su… - Nature Materials, 2023 - nature.com
Correlation of lattice vibrational properties with local atomic configurations in materials is
essential for elucidating functionalities that involve phonon transport in solids. Recent …

Superconducting calcium-intercalated bilayer graphene

S Ichinokura, K Sugawara, A Takayama, T Takahashi… - Acs Nano, 2016 - ACS Publications
We report the direct evidence for superconductivity in Ca-intercalated bilayer graphene
C6CaC6, which is regarded as the thinnest limit of Ca-intercalated graphite. We performed …

Two-dimensional topological superconductivity in Pb/Co/Si (111)

GC Ménard, S Guissart, C Brun, RT Leriche… - Nature …, 2017 - nature.com
Just like insulators can present topological phases characterized by Dirac edge states,
superconductors can exhibit topological phases characterized by Majorana edge states. In …

Ising Superconductivity and Quantum Phase Transition in Macro-Size Monolayer NbSe2

Y **ng, K Zhao, P Shan, F Zheng, Y Zhang, H Fu… - Nano …, 2017 - ACS Publications
Two-dimensional (2D) transition metal dichalcogenides (TMDs) have a range of unique
physics properties and could be used in the development of electronics, photonics …

Coherent long-range magnetic bound states in a superconductor

GC Ménard, S Guissart, C Brun, S Pons, VS Stolyarov… - Nature Physics, 2015 - nature.com
The quantum coupling of fully different degrees of freedom is a challenging path towards
new functionalities for quantum electronics,,. Here we show that the localized classical spin …

Two-dimensional superconductors with atomic-scale thickness

T Uchihashi - Superconductor Science and Technology, 2016 - iopscience.iop.org
Recent progress in two-dimensional superconductors with atomic-scale thickness is
reviewed mainly from the experimental point of view. The superconducting systems treated …

Direct observation of Josephson vortex cores

D Roditchev, C Brun, L Serrier-Garcia, JC Cuevas… - Nature Physics, 2015 - nature.com
Superconducting correlations may propagate between two superconductors separated by a
tiny insulating or metallic barrier, allowing a dissipationless electric current to flow,. In the …