Showing 2019 · cond-mat.mtrl-sciShow all

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cond-mat.mtrl-sci2019★ 53 cited

Theory of out-of-equilibrium electron and phonon dynamics in metals after ultrafast laser excitation

Ulrike Ritzmann, Peter M. Oppeneer, Pablo Maldonado

The out-of-equilibrium dynamics of electrons and phonons upon laser excitation are often described by the two-temperature model, which assumes that both subsystems are separately i…

cond-mat.mtrl-sci2019★ 33 cited

Unveiling domain wall dynamics of ferrimagnets in thermal magnon currents: competition of angular momentum transfer and entropic torque

Andreas Donges, Niklas Grimm, Florian Jakobs +4

Control of magnetic domain wall motion holds promise for efficient manipulation and transfer of magnetically stored information. Thermal magnon currents, generated by temperature g…

cond-mat.mtrl-sci2019★ 24 cited

High-frequency magnon excitation due to femtosecond spin-transfer torques

Ulrike Ritzmann, Pavel Baláž, Pablo Maldonado +2

Femtosecond laser pulses can induce ultrafast demagnetization as well as generate bursts of hot electron spin currents. In trilayer spin valves consisting of two metallic ferromagn…

cond-mat.mtrl-sci2019★ 183 cited

Density-functional model for van der Waals interactions: Unifying many-body atomic approaches with nonlocal functionals

Jan Hermann, Alexandre Tkatchenko

Noncovalent van der Waals (vdW) interactions are responsible for a wide range of phenomena in matter. Popular density-functional methods that treat vdW interactions use disparate p…

cond-mat.mtrl-sci2019★ 9 cited

Impact of electron solvation on ice structures at the molecular scale

Cord Bertram, Philipp Auburger, Michel Bockstedte +3

We determine the impact of electron solvation on DO structures adsorbed on Cu(111) with low temperature scanning tunneling microscopy, two-photon photoemission, and ab initio t…

cond-mat.mtrl-sci2019★ 20 cited

Microstructure and Elastic Constants of Transition Metal Dichalcogenide Monolayers from Friction and Shear Force Microscopy

Xiaomin Xu, Thorsten Schultz, Ziyu Qin +10

Optical and electrical properties of two-dimensional transition metal dichalcogenides (TMDCs) grown by chemical vapor deposition (CVD) are strongly determined by their microstructu…

cond-mat.mtrl-sci2019★ 10 cited

Dirac-Electron Behavior for Spin-Up Electrons in Strongly Interacting Graphene on Ferromagnetic MnGe

Elena Voloshina, Yuriy Dedkov

An elegant approach on the synthesis of graphene on the strong ferromagnetic (FM) material MnGe is proposed via intercalation of Mn in the graphene-Ge(111) interface. Accor…

cond-mat.mtrl-sci2019★ 27 cited

Influence of Chloride Substitution on the Rotational Dynamics of Methylammonium in MAPbICl Perovskites

Götz Schuck, Frederike Lehmann, Jacques Ollivier +2

The hybrid halide perovskites MAPbI, MAPbICl, and MAPbCl (MA - methylammonium) have been investigated using inelastic and quasielastic neutron scatter…

cond-mat.mtrl-sci2019★ 52 cited

The structure of CaSO4 nanorods -- the precursor of gypsum

Tomasz M. Stawski, Alexander E. S. Van Driessche, Rogier Besselink +4

Understanding the gypsum (CaSO4.2H2O) formation pathway from aqueous solution has been the subject of intensive research in the past years. This interest stems from the fact that g…

cond-mat.mtrl-sci2019★ 18 cited

Atomic-Resolution Visualization and Doping Effects of Complex Structures in Intercalated Bilayer Graphene

Jason P. Bonacum, Andrew O'Hara, De-Liang Bao +9

Molecules intercalating two-dimensional (2D) materials form complex structures that have been mostly characterized by spatially averaged techniques. Here we use aberration-correcte…

cond-mat.mtrl-sci2019★ 4 cited

Electronic structure and magnetic properties of the graphene/Ni3Mn/Ni(111) trilayer

Elena Voloshina, Qilin Guo, Beate Paulus +6

Experimental and theoretical studies of manganese deposition on graphene/Ni(111) shows that a thin ferromagnetic Ni3Mn layer, which is protected by the graphene overlayer, is forme…

cond-mat.mtrl-sci2019

Glide-resolved photoemission spectroscopy: Measuring topological invariants in nonsymmorphic space groups

A. Alexandradinata, Zhijun Wang, B. Andrei Bernevig +1

The two classes of 3D, time-reversal-invariant insulators are known to subdivide into four classes in the presence of glide symmetry. Here, we extend this classification of insulat…