10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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22 papers · 2 filters
Deep Levels and Mixed Conductivity in Organometallic Halide Perovskites
Artem Musiienko, Pavel Moravec, Roman Grill +10
Understanding the type, formation energy and capture cross section of defects is one of the challenges in the field of organometallic halide perovskite (OMHP) devices. Currently, s…
Lattice dynamics and coupled quadrupole-phonon excitations in CeAuAl
B. -Q. Liu, P. Čermák, C. Franz +2
We report first principles calculations of the structural parameters and phonon dispersion of the tetragonal non-centrosymmetric heavy fermion compound CeAuAl. Taking into acco…
Identification of two-dimensional termination of hematite surface
Jesús Redondo, Petr Lazar, Pavel Procházka +9
Iron oxides are among the most abundant compounds on Earth and have consequently been studied and used extensively in industrial processes. Despite these efforts, concrete understa…
Local atomic arrangement in LaCuAl3 and LaAuAl3 by NMR and density functional theory
Vojtech Chlan, Petr Dolezal, Rachel Sgallova +2
CeCuAl3 and CeAuAl3, crystallizing in the non-centrosymmetric BaNiSn3 tetragonal structure, are known mainly for their unusual neutron scattering spectra involving additional excit…
Ultrafast demagnetization of Pt magnetic moment in L1-FePt probed by hard x-ray free electron laser
Kohei Yamamoto, Yuya Kubota, Motohiro Suzuki +15
We demonstrate ultrafast magnetization dynamics in a 5d transition metal using circularly-polarized x-ray free electron laser in the hard x-ray region. A decay time of light-induce…
Tetragonal CuMnAs alloy: role of defects
F. Maca, J. Kudrnovsky, P. Balaz +3
The antiferromagnetic (AFM) CuMnAs alloy with tetragonal structure is a promising material for the AFM spintronics. The resistivity measurements indicate the presence of defects ab…
Secondary electron emission and yield spectra of metals from Monte Carlo simulations and experiments
Martina Azzolini, Marco Angelucci, Roberto Cimino +4
In this work, we present a computational method, based on the Monte Carlo statistical approach, for calculating electron energy emission and yield spectra of metals, such as copper…
Beyond the quasiparticle approximation: Fully self-consistent calculations
Manuel Grumet, Peitao Liu, Merzuk Kaltak +2
We present quasiparticle (QP) energies from fully self-consistent (sc) calculations for a set of prototypical semiconductors and insulators within the framework of the pro…
Influence of an anomalous temperature-dependence of the phase coherence length on the conductivity of magnetic topological insulators
V. Tkáč, K. Výborný, V. Komanický +14
Magnetotransport constitutes a useful probe to understand the interplay between electronic band topology and magnetism in spintronics devices based on topological materials. A rece…
The stability and physical properties of the tetragonal phase of bulk CuMnAs antiferromagnet
Klára Uhlířová, Elen Duverger-Nédellec, Ross Colman +3
The effect of Cu substitution on the stability of the CuMnAs tetragonal phase was studied both experimentally and by ab initio calculations. Polycrystalline samples with various co…
Electrically induced and detected Néel vector reversal in a collinear antiferromagnet
J. Godinho, H. Reichlova, D. Kriegner +11
Electrical detection of the 180 deg spin reversal, which is the basis of the operation of ferromagnetic memories, is among the outstanding challenges in the research of antiferroma…
Thermal skyrmion diffusion applied in probabilistic computing
Jakub Zázvorka, Florian Jakobs, Daniel Heinze +11
Thermally activated processes are key to understanding the dynamics of physical systems. Thermal diffusion of (quasi-)particles for instance not only yields information on transpor…
Electronic structure and magnetic anisotropies of antiferromagnetic transition-metal difluorides
Cinthia Antunes Corrêa, Karel Výborný
We compare GGA+U calculations with available experimental data and analyze the origin of magnetic anisotropies in MnF, FeF, CoF, and NiF. We confirm that the magnet…
Nanoferroics: state of art, gradient driven couplings and advanced applications (Authors' review)
Anna N. Morozovska, Ivan. S. Vorotiahin, Yevhen M. Fomichov +1
Ferroics and multiferroics are unique objects for fundamental physical research of complex nonlinear processes and phenomena, which occur in them in micro and nanoscale. Due to the…
Spin Seebeck effect in -FeO thin layer with high coercive field
K. Knížek, M. Pashchenko, P. Levinský +5
Spin Seebeck effect has been investigated in Pt/-FeO bilayers. The -FeO thin layer with ~nm thickness were deposited by a spin-coat…
Structure evolution of hcp/ccp metal oxide interfaces in solid-state reactions
C. Li, G. Habler, T. Griffiths +7
The structure of crystalline interfaces plays an important role in solid-state reactions. The Al2O3/MgAl2O4/MgO system provides an ideal model system for investigating the mechanis…
Theoretical spin-wave dispersions in the antiferromagnetic phase AF1 of MnWO based on the polar atomistic model in P2
B. -Q. Liu, S. -H. Park, P. Cermak +2
The spin wave dispersions of the low temperature antiferromagnetic phase (AF1) MnWO have been numerically calculated based on the recently reported non-collinear spin configura…
Single crystal growth of TIMETAL LCB titanium alloy by a floating zone method
Jana Šmilauerová, Jiří Pospíšil, Petr Harcuba +2
The methodology of single crystal growth of metastable -Ti alloy TIMETAL LCB in an optical floating zone furnace is presented in this paper. Chemical compositions of both precur…
Ordered array of particles in -Ti matrix studied by small-angle X-ray scattering
Jana Šmilauerová, Petr Harcuba, Josef Stráský +7
Nanosized particles of phase in a -Ti alloy were investigated by small-angle X-ray scattering using synchrotron radiation. We demonstrated that the particles are spontaneous…
Voigt effect-based wide-field magneto-optical microscope integrated in a pump-probe experimental setup
T. Janda, L. Nadvornik, J. Kucharik +4
In this work we describe an experimental setup for spatially-resolved pump-probe experiment with integrated wide-field magneto-optical (MO) microscope. The MO microscope can be use…
Stress and charge transfer in uniaxially strained CVD graphene
Milan Bousa, George Anagnostopoulos, Elena del Corro +8
Mechanical properties of graphene prepared by chemical vapor deposition (CVD) are not easily comparable to the properties of nearly perfect graphene prepared by mechanical cleavage…
Mechanical and thermal properties of Graphene Random nanofoams via Molecular Dynamics simulations
Andrea Pedrielli, Simone Taioli, Giovanni Garberoglio +1
Graphene foams have recently attracted a great deal of interest for their possible use in technological applications, such as electrochemical storage devices, wearable electronics,…