A5064830208- Magnetic properties of thin films
- Magnetic Properties and Applications
- Rare-earth and actinide compounds
- Heusler alloys: electronic and magnetic properties
- Topological Materials and Phenomena
- Magnetic and transport properties of perovskites and related materials
- Iron-based superconductors research
- Physics of Superconductivity and Magnetism
- Advanced Condensed Matter Physics
- Theoretical and Computational Physics
- Multiferroics and related materials
- Magnetic Properties and Synthesis of Ferrites
- ZnO doping and properties
- Crystal Structures and Properties
- 2D Materials and Applications
- Magneto-Optical Properties and Applications
- Shape Memory Alloy Transformations
- Ion-surface interactions and analysis
- Polymer Nanocomposite Synthesis and Irradiation
- Iron oxide chemistry and applications
- Magnetic Properties of Alloys
- Electronic and Structural Properties of Oxides
- Solid-state spectroscopy and crystallography
- Thermodynamic and Structural Properties of Metals and Alloys
- Graphene research and applications
Polish Academy of Sciences
2020-2024
Institute of Physics
2020-2024
Czech Academy of Sciences, Institute of Physics
2021
Wojewódzki Inspektorat Ochrony Środowiska w Warszawie
2021
We report the anomalous Hall effect (AHE) and Nernst (ANE) data for noncollinear Weyl semimetal CeAlSi. The conductivity (${\ensuremath{\sigma}}_{ij}^{A}$) was measured two different orientations of magnetic field ($B$), namely ${\ensuremath{\sigma}}_{yz}^{A}$ $B||a$ ${\ensuremath{\sigma}}_{xy}^{A}$ $B||c$, where $a$ $c$ denote crystallographic axes. find that are opposite sign both large below Curie temperature (${T}_{\mathrm{C}}$). In paramagnetic phase, rises even more goes through a...
Co2Fe0.4Mn0.6Si (CFMS) and Co2FeGa0.5Ge0.5 (CFGG) Heusler alloys are among the most promising thin film materials for spintronic devices due to a high spin polarization, low magnetic damping giant/tunneling magnetoresistance ratios. Despite numerous investigations of properties performed up now, magnetoelastic effects in these remain not fully understood; quite rare studies correlations between other properties, such as dissipation or anisotropy. In this research we have investigated...
We investigate epitaxial $\text{Co}(20 \, \text{\r{A}})$ and $\text{Co}_{1-x}\text{Au}_{x}(20 alloy thin-films surrounded by asymmetric heavy metals layers of $\text{Re}(10 as a buffer $\text{Pt}(30 cap to study the magnetic anisotropy, interfacial Dzyaloshinskii-Moriya interaction (iDMI) damping. The increase Au from 0% 25% in $\text{Co}_{1-x}\text{Au}_{x}$ generates spin-reorientation transition around 13% Au. concentration provides significant decrease saturation magnetization 1690 kA/m...
The additive interfacial Dzyaloshinskii–Moriya interaction (DMI) arises at two W/Co and Co/Pt interfaces in the epitaxial W/Co/Pt multilayer which exhibits a labyrinth magnetic domain structure.
We have performed electron transport and angle-resolved photo-emission spectroscopy (ARPES) measurements on single crystals of transition metal dipnictide TaAs2cleaved along the (2¯01) surface which has lowest cleavage energy. A Fourier transform Shubnikov-de Haas oscillations shows four different peaks whose angular dependence was studied with respect to angle between magnetic field [2¯01] direction. The results indicate elliptical shape Fermi cross-sections. Additionally, a mobility...
The normal state in iron chalcogenides is metallic but highly unusual, with orbital and spin degrees of freedom partially itinerant or localized depending on temperature, leading to many unusual features. In this work, we report the observations two such features, orbital-selective Mott phase (OSMP) nematicity, evidenced magnetization magnetotransport [resistivity, Hall effect, anisotropic magnetoresistance (AMR)]...
To control the spin wave (SW) propagation, external energy sources such as magnetic fields, electric currents, or complex nanopatterning are used, which can be challenging at deep nanoscale level. In this work, we overcome limitations by demonstrating SW propagation in Pt/Co multilayers a remanent state controlled stripe domain patterns, using Brillouin light scattering and micromagnetic simulations. We show that parallel stripes with periodicity around 100 nm exhibit reconfigurability,...
Structural, magnetic, and thermal studies of DyCr3(BO3)4 have been carried out. Structural showed that the sample contains two phases, with contents rhombohedral (R32) monoclinic (C2/c) phases being same, within accuracy method. The lattice parameters for each phase were determined (the rhombohedral: a = 9.461 Å, c 7.488 Å; monoclinic: 7.394 b 9.450 11.357 β 103.9°). It was found both structural modifications dysprosium-chromium borate are ordered antiferromagnetically, their own Néel...
The magnetic multilayer of Co separated by thin spacer layer Pt was deposited DC-magnetron sputtering. From the longitudinal magneto-optical Kerr effect based magnetometry and microscopy as well force microscopy, hybrid magnetization structure deduced: large size, micrometer scale domains with in-plane "core magnetization" patterned nanometer out-of-plane components. hysteresis a function applied field both: (i) curve measured Superconducting Quantum Interference Device (ii) dynamic...
A strain modulated ferromagnetic resonance technique was applied to determine two cubic magnetoelastic constants of the epitaxially grown 30-nm-thick ${\mathrm{Co}}_{2}{\mathrm{Fe}}_{x}{\mathrm{Mn}}_{1\ensuremath{-}x}\mathrm{Si}$ magnetic layers with different Fe and Mn contents, which were deposited on a MgO substrate 20-nm-thick Cr buffer layer---MgO (001) $\ensuremath{\parallel}$ Cr(001) $\ensuremath{\parallel} {\mathrm{Co}}_{2}{\mathrm{Fe}}_{x}{\mathrm{Mn}}_{1\ensuremath{-}x}\mathrm{Si}$...
The superconducting state properties of the CuBa2Ca3Cu4O10+δ (Cu-1234) system, with a transition temperature as high 117.5 K, were investigated. ac magnetic susceptibility measurements confirmed very sharp to state. upper critical field, Hc2, 91 T, and irreversibility Hirr, 21 T at 77 determined using dc SQUID magnetization measurements. intragrain current density, jc, estimated from hysteresis loop, is 5 × 109 A/m2 in self-generated field K. However, intergrain density studied material...
<title>Abstract</title> We investigate epitaxial Co(20 Å) and Co<sub>1-x</sub>Au<sub>x</sub>(20 alloy thin-films surrounded by asymmetric heavy metals layers of Re(10 as a buffer Pt(30 cap to study the magnetic anisotropy, interfacial Dzyaloshinskii-Moriya interaction (iDMI) damping. The increase Au from 0% 25% in Co<sub>1-x</sub>Au<sub>x</sub> generates spin-reorientation transition around 13% Au. concentration provides significant decrease saturation magnetization 1690 kA/m 982 measured...
Accurate measurements of the intrinsic ferromagnetic linewidth a single-crystal Sc-doped hexagonal M-type barium ferrite (BaM) 308-µm-diameter sphere at millimeter-wave frequencies employing subwavelength cavity are described. The magnetic hysteresis resonance frequency and Q-factor dominant (which has plasmonic character) in hexaferrite reported. Measurements performed fixture open to free space also show that significantly increases as compared closed cavity. This effect can be attributed...
Formation of bubble lattices stable at room temperature is investigated in asymmetric epitaxial [Re(1 nm)/Co(d <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Co</inf> )/Pt(1 nm)] xmlns:xlink="http://www.w3.org/1999/xlink">20</inf> multilayers with thickness the Co component layer, d , ranging between 0.8 nm and 2.0 nm. This range covers uniaxial anisotropy transition from perpendicular to in-plane increase. We study evolution domain structure...
Abstract Topological electronic materials hold great promise for revolutionizing spintronics, owing to their topological protected, spin‐polarized conduction edge or surface state. One of the key bottlenecks practical use common binary and ternary insulator is large defect concentration that leads a high background carrier concentration. Elemental tin in its α‐phase room temperature semimetal, which intrinsically less prone defect‐related shortcomings. Recently, growth ultrathin α‐Sn films...
Accurate measurements of the intrinsic ferromagnetic linewidth a pure single-crystal hexagonal M-type barium ferrite (BaM) 308-micron-diameter sphere at millimeter-wave frequencies employing subwavelength cavity are described. For first time, magnetic hysteresis resonance frequency and Q-factor dominant (which has plasmonic character) in hexaferrite reported. Measurements performed fixture open to free space also show that significantly increases as compared closed cavity. This effect can be...
The magnetic multilayer of Co separated by thin spacer layer Pt was deposited dc magnetron sputtering. From the longitudinal magneto-optical Kerr effect based magnetometry and microscopy as well force microscopy, hybrid magnetization structure deduced: large size, micrometer scale domains with in-plane “core magnetization” patterned nanometer out-of-plane components. hysteresis a function applied field both: (i) curve measured Superconducting Quantum Interference Device (ii) dynamic...
Magnetization of monocrystalline ZnO samples implanted with magnetic Co and Ar Kr noble gases ions, energies doses creating comparable damage, was studied as a function field (H) at constant temperature in the range between 2 300 K for H = 1 kOe 10 kOe.In Co-implanted ZnO, paramagnetic some residual ferromagnetic/superparamagnetic phases were revealed, while Kr-and Ar-implantations do not introduce centers.The existence layer confirmed measurements zero-field cooled/field cooled...
We report the anomalous Hall effect (AHE) and Nernst (ANE) data for non-collinear Weyl semimetal CeAlSi. The conductivity (σ_ij^A) was measured two different orientations of magnetic field (B), namely σ_yz^A B II a σ_xy^A c, where c denote crystallographic axes. find that are opposite sign both large below Curie temperature (T_C). In paramagnetic phase, raises even more goes through maximum at T ~ 170 K, whereas absolute value decreases with increasing temperature. origin difference between...