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- Centre National de la Recherche ScientifiqueFR208 papers
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125 papers · 1 filter
Long-Range Machine Learning of Electron Density for Twisted Bilayer Moiré Materials
Zekun Lou, Alan M. Lewis, Mariana Rossi
Moiré superlattices in two-dimensional (2D) materials exhibit rich quantum phenomena, but ab initio modelling of these systems remains computationally prohibitive. Existing machine…
Learning the Electrostatic Response of the Electron Density through a Symmetry-Adapted Vector Field Model
Mariana Rossi, Kevin Rossi, Alan M. Lewis +2
A current challenge in atomistic machine learning is that of efficiently predicting the response of the electron density under electric fields. We address this challenge with symme…
Imprinting of skyrmions and bimerons in an antiferromagnet
Coline Thevenard, Miina Leiviskä, Richard F. L. Evans +2
Topologically protected magnetic states in condensed matter physics, particularly antiferromagnetic (AFM) skyrmions (Sks) and bimerons (Bms), offer promising prospects for terahert…
Evaluating the local bandgap across InxGa1-xAs multiple quantum wells in a metamorphic laser via low-loss EELS
Nicholas Stephen, Ivan Pinto-Huguet, Robert Lawrence +8
Using high resolution scanning transmission electron microscopy and low-loss electron energy loss spectroscopy, we correlate the local bandgap (Eg), indium concentration, and strai…
Are Magnons just the van der Waals interaction in Disguise?
Robert A. Lawrence
The MBD model of the van der Waals interaction is extended to also consider magnetic interactions, and it is demonstrated how this can be made to reproduce the Heisenberg Hamiltoni…
Emergent half-metal with mixed structural order in (111)-oriented (LaMnO)|(SrMnO) superlattices
Fabrizio Cossu, Jùlio Alves Do Nascimento, Stuart A. Cavill +3
Using first-principles techniques, we study the structural, magnetic and electronic properties of (111)-oriented (LaMnO)(SrMnO) superlattices of varying…