2.2k citations · 6k across the 49 of their papers we have counts for
53 papers
Signatures of pressure-enhanced helimagnetic order in van der Waals multiferroic NiI
Connor A. Occhialini, Luiz G. P. Martins, Qian Song +10
The van der Waals (vdW) type-II multiferroic NiI has emerged as a candidate for exploring non-collinear magnetism and magnetoelectric effects in the 2D limit. Frustrated intral…
Effects of Pressure on the Electronic and Magnetic Properties of Bulk NiI
Jesse Kapeghian, Danila Amoroso, Connor A. Occhialini +10
Transition metal dihalides have recently garnered interest in the context of two-dimensional van der Waals magnets as their underlying geometrically frustrated triangular lattice l…
Mode-coupling theory of lattice dynamics for classical and quantum crystals
Aloïs Castellano, J. P. Alvarinhas Batista, Matthieu J. Verstraete
The dynamical properties of nuclei, carried by the concept of phonon quasiparticles (QP), are central to the field of condensed matter. While the harmonic approximation can reprodu…
Unravelling the role of Sm 4f electrons in the magnetism of SmFeO
Danila Amoroso, Bertrand Dupe, Matthieu J. Verstraete
Magnetic rare-earth orthoferrites FeO host a variety of functional properties from multiferroicity and strong magnetostriction, to spin-reorientation transitions and ultrafa…
A pre-time-zero spatiotemporal microscopy technique for the ultrasensitive determination of the thermal diffusivity of thin films
Sebin Varghese, Jake Dudley Mehew, Alexander Block +8
Diffusion is one of the most ubiquitous transport phenomena in nature. Experimentally, it can be tracked by following point spreading in space and time. Here, we introduce a spatio…
Spin-current driven Dzyaloshinskii-Moriya interaction in the multiferroic BiFeO3 from first-principles
Sebastian Meyer, Bin Xu, Matthieu Verstraete +2
The electrical control of magnons opens up new ways to transport and process information for logic devices. In magnetoelectrical multiferroics, the Dzyaloshinskii-Moriya (DM) inter…
Electrical Control of Spin-polarized Topological Currents in Monolayer WTe
Jose H. Garcia, Jinxuan You, Monica García-Mota +6
We evidence the possibility for coherent electrical manipulation of the spin orientation of topologically protected edge states in a low-symmetry quantum spin Hall insulator. By us…
The impact of valley profile on the mobility and Kerr rotation of transition metal dichalcogenides
Thibault Sohier, Pedro M. M. C. de Melo, Zeila Zanolli +1
The transport and optical properties of semiconducting transition metal dichalcogenides around room temperature are dictated by electron-phonon scattering mechanisms within a compl…
High-throughput analysis of Fröhlich-type polaron models
Pedro Miguel M. C. de Melo, Joao C. de Abreu, Bogdan Guster +4
The electronic structure of condensed matter can be significantly affected by the electron-phonon interaction, leading to important phenomena such as electrical resistance, superco…
Spectroscopic signatures of nonpolarons : the case of diamond
Joao C. de Abreu, Jean Paul Nery, Matteo Giantomassi +2
Polarons are quasi-particles made from electrons interacting with vibrations in crystal lattices. They derive their name from the strong electron-vibration polar interaction in ion…
The role of band matching in the proximity effect between a superconductor and a normal metal
Loic Mougel, Patrick M. Buhl, Qili Li +6
We combine density functional theory and scanning tunneling microscopy to study the proximity effects between a bulk Ru(0001) superconductor and an atomically thin overlayer of Co.…
Three-dimensional description of vibration-assisted electron knock-on damage
Alexandru Chirita, Alexander Markevich, Mukesh Tripathi +4
Elastic knock-on is the main electron irradiation damage mechanism in metals including graphene. Atomic vibrations influence its cross-section, but only the out-of-plane direction…
Phonon-assisted luminescence in defect centers from many-body perturbation theory
Francesco Libbi, Pedro Miguel Monteiro Campos de Melo, Zeila Zanolli +2
Phonon-assisted luminescence is a key property of defect centers in semiconductors, and can be measured to perform the readout of the information stored in a quantum bit, or to det…
Fröhlich polaron effective mass and localization length in cubic materials: degenerate and anisotropic electronic bands
Bogdan Guster, Pedro Melo, Bradley A. A. Martin +7
Polarons, that is, charge carriers correlated with lattice deformations, are ubiquitous quasiparticles in semiconductors, and play an important role in electrical conductivity. To…
Unraveling heat transport and dissipation in suspended MoSe crystals from bulk to monolayer
D. Saleta Reig, S. Varghese, R. Farris +14
Understanding thermal transport in layered transition metal dichalcogenide (TMD) crystals is crucial for a myriad of applications exploiting these materials. Despite significant ef…
Interference effects in one-dimensional moiré crystals
Nils Wittemeier, Matthieu J. Verstraete, Pablo Ordejón +1
Interference effects in finite sections of one-dimensional moiré crystals are investigated using a Landauer-Büttiker formalism within the tight-binding approximation. We explain in…
Gate control of spin-layer-locking FETs and application to monolayer LuIO
Rong Zhang, Antimo Marrazzo, Matthieu Verstraete +2
A recent 2D spinFET concept proposes to switch electrostatically between two separate sublayers with strong and opposite intrinsic Rashba effects. This concept exploits the spin-la…
Hot-Carrier Cooling in High-Quality Graphene is Intrinsically Limited by Optical Phonons
Eva A. A. Pogna, Xiaoyu Jia, Alessandro Principi +20
Many promising optoelectronic devices, such as broadband photodetectors, nonlinear frequency converters, and building blocks for data communication systems, exploit photoexcited ch…
Bulk Electronic Structure of Lanthanum Hexaboride (LaB6) by Hard X-ray Angle-Resolved Photoelectron Spectroscopy
A. Rattanachata, L. Nicolaï, H. P. Martins +11
In the last decade rare-earth hexaborides have been investigated for their fundamental importance in condensed matter physics, and for their applications in advanced technological…
Spontaneous interlayer compression in commensurately stacked van der Waals heterostructures
Nicholas A. Pike, Antoine Dewandre, François Chaltin +4
Interest in layered two dimensional materials, particularly stacked heterostructures of transition metal dichalcogenides, has led to the need for a better understanding of the stru…
Remote free-carrier screening to boost the mobility of Fröhlich-limited 2D semiconductors
Thibault Sohier, Marco Gibertini, Matthieu Verstraete
Van der Waals heterostructures provide a versatile tool to not only protect or control, but also enhance the properties of a 2D material. We use ab initio calculations and semi-ana…
Optical Signatures of Defect Centres in Transition Metal Dichalcogenide Monolayers
Pedro Miguel M. C. de Melo, Zeila Zanolli, Matthieu Jean Verstraete
Even the best quality 2D materials have non-negligible concentrations of vacancies and impurities. It is critical to understand and quantify how defects change intrinsic properties…
TB2J: a python package for computing magnetic interaction parameters
Xu He, Nicole Helbig, Matthieu J. Verstraete +1
We present TB2J, a Python package for the automatic computation of magnetic interactions, including exchange and Dzyaloshinskii-Moriya interactions, between atoms of magnetic cryst…
Phonon-limited electron mobility in Si, GaAs and GaP with exact treatment of dynamical quadrupoles
Guillaume Brunin, Henrique Pereira Coutada Miranda, Matteo Giantomassi +6
We describe a new approach to compute the electron-phonon self-energy and carrier mobilities in semiconductors. Our implementation does not require a localized basis set to interpo…