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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21 papers · 2 filters
Photo-Hall effect spectroscopy with enhanced illumination in p-Cd1-xMnxTe showing negative differential photoconductivity
A. Musiienko, R. Grill, P. Moravec +4
We studied deep levels (DLs) in p-type CdMnTe by photo-Hall effect spectroscopy with enhanced illumination. We showed that the mobility of minority and majority carriers can be ded…
Band structure of CuMnAs probed by optical and photoemission spectroscopy
M. Veis, J. Minar, G. Steciuk +19
Tetragonal phase of CuMnAs progressively appears as one of the key materials for antiferromagnetic spintronics due to efficient current-induced spin-orbit torques whose existence c…
Influence of gallium content on Ga3+ position and photo- and thermally stimulated luminescence in Ce3+ - doped multicomponent (Y,Lu,)3GaxAl5-xO12 garnets
V. Babin, M. Buryi, K. Kamada +8
Photoluminescence, thermally stimulated luminescence (TSL) and EPR characteristics of the Ce3+ doped single crystals of multicomponent Y1Lu2GaxAl5-xO12 and Lu3GaxAl5-xO12 garnets w…
The electroluminescent properties based on bias polarity of the epitaxial graphene/aluminium SiC junction
M. Rejhon, J. Franc, V. Dědič +2
We investigated the electroluminescent properties of the epitaxial graphene/SiC junction. The temperature and current dependence of electroluminescence from the epitaxial graphene/…
Contrasting behavior of covalent and molecular carbon allotropes exposed to extreme ultraviolet and soft x-ray free-electron laser radiation
M. Toufarová, V. Hájková, J. Chalupský +17
All carbon materials, e.g., amorphous carbon (a-C) coatings and C60 fullerene thin films, play an important role in short-wavelength free-electron laser (FEL) research motivated by…
Non-uniform carrier density in CdAs evidenced by optical spectroscopy
I. Crassee, E. Martino, C. C. Homes +13
We report the detailed optical properties of CdAs crystals in a wide parameter space: temperature, magnetic field, carrier concentration and crystal orientation. We investi…
Interband absorption edge in topological insulators Bi(TeSe)
A. Dubroka, O. Caha, M. Hronček +7
We have investigated the optical properties of thin films of topological insulators BiTe, BiSe and their alloys Bi(TeSe) on BaF su…
Submolecular resolution by variation of IETS amplitude and its relation to AFM/STM signal
Bruno de la Torre, Martin Švec, Giuseppe Foti +8
Here we show scanning tunnelling microscopy (STM), non-contact atomic force microscopy (AFM) and inelastic electron tunnelling spectroscopy (IETS) measurements on organic molecule…
Dual-wavelength Photo-Hall effect spectroscopy of deep levels in high resistive CdZnTe with negative differential photoconductivity
A. Musiienko, R. Grill, P. Moravec +6
Photo-Hall effect spectroscopy was used in the study of deep levels in high resistive CdZnTe. The monochromator excitation in the photon energy range 0.65-1.77 eV was complemented…
Electrical resistivity across the tricriticality in itinerant ferromagnet
Petr Opletal, Jan Prokleška, Jaroslav Valenta +1
We investigate the discontinuous ferromagnetic phase diagram near tricritical point in UCo 1-x Ru x Al compounds by electrical resistivity measurements. Separation of phases in UCo…
Magnetic anisotropy in antiferromagnetic hexagonal MnTe
D. Kriegner, H. Reichlova, J. Grenzer +12
Antiferromagnetic hexagonal MnTe is a promising material for spintronic devices relying on the control of antiferromagnetic domain orientations. Here we report on neutron diffracti…
ScPd2Al3 New Polymorphic Phase in Al-Pd-Sc System
Jiří Pospíšil, Yoshinori Haga, Kunihisa Nakajima +5
We have discovered a new compound of the composition ScPd2Al3 crystallizing in unknown structure type. Moreover, ScPd2Al3 reveals polymorphism. We have found an orthorhombic crysta…
Wrinkled few-layer graphene as highly efficient load bearer
Charalampos Androulidakis, Emmanuel N. Koukaras, Jaroslava Rahova +5
Multilayered graphitic materials are not suitable as load-bearers due to their inherent weak interlayer bonding (for example, graphite is a solid lubricant in certain applications)…
Theory of Out-of-Equilibrium Ultrafast Relaxation Dynamics in Metals
Pablo Maldonado, Karel Carva, Martina Flammer +1
Ultrafast laser excitation of a metal causes correlated, highly nonequilibrium dynamics of electronic and ionic degrees of freedom, which are however only poorly captured by the wi…
Defect driven flexo-chemical coupling in thin ferroelectric films
Eugene A. Eliseev, Ivan. S. Vorotiahin, Yevhen M. Fomichov +4
Using Landau-Ginzburg-Devonshire theory, we considered the impact of the flexoelectro-chemical coupling on the size effects inpolar properties and phase transitions of thin ferroel…
Local moment formation and magnetic coupling of Mn guest atoms in BiSe: a low-temperature ferromagnetic resonance study
D. Savchenko, R. Tarasenko, M. Vališka +7
We compare the magnetic and electronic configuration of single Mn atoms in molecular beam epitaxy (MBE) grown BiSe thin films, focusing on electron paramagnetic (ferromagne…
Writing and Reading antiferromagnetic MnAu: Néel spin-orbit torques and large anisotropic magnetoresistance
S. Yu. Bodnar, L. Šmejkal, I. Turek +7
Antiferromagnets are magnetically ordered materials which exhibit no net moment and thus are insensitive to magnetic fields. Antiferromagnetic spintronics aims to take advantage of…
Antiferromagnetic opto-spintronics: Part of a collection of reviews on antiferromagnetic spintronics
P. Nemec, M. Fiebig, T. Kampfrath +1
Control and detection of spin order in ferromagnets is the main principle allowing storing and reading of magnetic information in nowadays technology. The large class of antiferrom…
A Gibbs-potential-based framework for ideal plasticity of crystalline solids treated as a material flow through an adjustable crystal lattice space and its application to three-dimensional micropillar compression
Jan Kratochvíl, Josef Málek, Piotr Minakowski
We propose an Eulerian thermodynamically compatible model for ideal plasticity of crystalline solids treated as a material flow through an adjustable crystal lattice space. The mod…
Unusual ferroelectric and magnetic phases in multiferroic 2H-BaMnO ceramics
Stanislav Kamba, Dmitry Nuzhnyy, Maxim Savinov +16
The structural phase transition in hexagonal BaMnO occurring at =130 K was studied in ceramic samples using electron and X-ray diffraction, second harmonic generation as w…
Effect of residual gas composition on epitaxial graphene growth on SiC
Jan Kunc, Martin Rejhon, Eduard Belas +3
In recent years, graphene growth optimization has been one of the key routes towards large-scale, high-quality graphene production. We have measured in-situ residual gas content du…