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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…