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68 results for “antiferromagnetic”
Dataset of "The Impact of Local Strain Fields in Noncollinear Antiferromagnetic Films"
<p>Antiferromagnets hosting structural or magnetic order that breaks time reversal symmetry are of increasing interest for “beyond von Neumann” computing applications because the topology of their band structure allows for intrinsic physical properties, exploitable in integrated memory and logic function. One such group are the noncollinear antiferromagnets. Essential for domain manipulation is the existence of small net moments found routinely when the material is synthesized in thin film form and attributed to symmetry breaking caused by spin canting, either from the Dzyaloshinskii–Moriya interaction or from strain. Although the spin arrangement of these materials makes them highly sensitive to strain, there is little understanding about the influence of local strain fields caused by lattice defects on global properties, such as magnetization and anomalous Hall effect. This premise is investigated by examining noncollinear antiferromagnetic films that are either highly lattice mismatched or closely matched to their substrate. In either case, edge dislocation networks are generated and for the former case, these extend throughout the entire film thickness, creating large local strain fields. These strain fields allow for finite intrinsic magnetization in seemingly structurally relaxed films and influence the antiferromagnetic domain state and the intrinsic anomalous Hall effect. The dataset consists of total energies calculated by density functional theory (VASP). The experimental data presented in the paper were obtained by international partners not supported by OP-JAK project.</p>
Readout of an antiferromagnetic spintronics system by strong exchange coupling of Mn2Au and Permalloy
<p>Data corresponding to figures 2 and 3 of <a href="https://arxiv.org/abs/2106.02333">arXiv:2106.02333</a>.</p> <p>Manuscript accepted by Nature Communications.</p>
Data from: Direct visualization of a static incommensurate antiferromagnetic order in Fe-doped Bi2Sr2CaCu2O8+δ
<p>This database contains all the necessary data of the manuscript "Direct visualization of a static incommensurate antiferromagnetic order in Fe-doped Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub>". Compared to the previous version (https://doi.org/10.5281/zenodo.5558592), the data of Figure S13B and Figure S13D are exchanges.</p> <p><strong>Abstract of the manuscript</strong></p> <p>In cuprate superconductors, due to strong electronic correlations, there are multiple intertwined orders which either coexist or compete with superconductivity. Among them, the antiferromagnetic (AF) order is the most prominent one. In the region where superconductivity sets in, the long-range AF order is destroyed. Yet the residual short-range AF spin fluctuations are present up to a much higher doping, and their role in the emergence of the superconducting phase is still highly debated. Here, by using a spin-polarized scanning tunneling microscope, we directly visualize an emergent incommensurate AF order in the nearby region of Fe impurities embedded in the optimally doped Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub> (Bi2212). Remarkably, the Fe impurities suppress the superconducting coherence peaks with the gapped feature intact, but pin down the ubiquitous short-range incommensurate AF order. Our work shows an intimate relation between antiferromagnetism and superconductivity.</p>
Dataset for "Robust magnetic order upon ultrafast excitation of an antiferromagnet"
<p>This is the dataset for the publication on 'Advanced Materials Interfaces' with publication DOI: 10.1002/admi.202201340. The dataset contains the raw trARPES experimental data and the normalized magnetic x-ray diffraction amplitude dynamics (published in https://doi.org/10.1038/s42005-020-00407-0) of GdRh2Si2.</p> <p>- 'trARPES_T_20K_static_MX_cube.nxs' contains a cube of trARPES intensity along the MX cut of the surface Brillouin zone presented in Figure 1-b.</p> <p>- 'trARPES_T_20K_fl_(number).nxs' series contain temporal evolution of raw trARPES intensity measured at sample temperature of 20 K with pump fluence of (number) mJ/cm^2. Figure 2 a-d, 3, 4, 5 b-d, B1, C1 used these trARPES intensity evolution.</p> <p>- 'trARPES_T_150K_fl_(number).nxs' series contain temporal evolution of raw trARPES intensity measured at sample temperature of 150 K (above T_N) with pump fluence of (number) mJ/cm^2. Figure A1 used these trARPES intensity evolution.</p> <p>- 'trRXD_T_20K_fl_(number).txt' series contain temporal evolution of AF order parameter of GdRh2Si2 measured at sample temperature of 20 K with pump fluence of (number) mJ/cm^2. Figure 2-e, 4, 5 used these trRXD amplitude evolution.</p>
Terahertz Néel spin-orbit torques drive nonlinear magnon dynamics in antiferromagnetic Mn2Au
<p>Data for the publication "<strong>Terahertz Néel spin-orbit torques drive nonlinear magnon dynamics in antiferromagnetic Mn<sub>2</sub>Au"</strong>, published in <em>Nat Commun</em> <strong>14</strong>, 6038 (2023). (https://doi.org/10.1038/s41467-023-41569-z).</p> <p>A preprint (2023) can be found on arxiv (https://doi.org/10.48550/arXiv.2305.03368).</p> <p>The datasets are provided for Figures 2-4.</p> <p>Files are provided as comma-separated text files with column headers. The value delimiter is comma " , ". The decimal separator is period " . "</p>
Thermal Phase Diagram of the Square Lattice Ferro-antiferromagnetic J1−J2 Heisenberg Model Data
<p>This repository contains raw data for the article "Thermal Phase Diagram of the Square Lattice Ferro-antiferromagnetic J1-J2 Heisenberg Model", Olivier Gauthé and Frédéric Mila, 2023.</p><p>Raw data is provided as json files into the archive data_PEPS_ferroJ1-J2/ subdirectory.zip. The file "data_mswt_ferroJ1-J2.json" contains modified spin wave theory data.</p><p><br>The jupyter notebook "plot_ferroJ1-J2.ipynb" provides scripts to load and visualize data, as well as reproducing figures from the paper.<br>It can be executed using<br>python version 3.9.17<br>numpy version 1.24.3<br>scipy version 1.10.1</p><p>All the data was generated using finite temperature PEPS. Refer to the paper for a complete methodological discussion. The source code to produce PEPS data is available upon reasonable request.</p><p>Olivier Gauthé<br>October 2023</p>
Exchange scaling of ultrafast angular momentum transfer in 4f antiferromagnets
<p>Raw data for "Exchange scaling of ultrafast angular momentum transfer in 4f antiferromagnets"</p> <p>The h5 files are provided:<br> 1. Windsor_LnRh2Si2_2022_static.h5<br> This file provides the temperature dependences of the 4f moment, as collected from the (001) magnetic reflection (details described in the supplementary materials, section 1.1.<br> The file is divided by Ln ion, for each LnRh2Si2 material. For each material the sample temperature and the moment (normalized) are given.</p> <p>2. Windsor_LnRh2Si2_2022_dynamic.h5<br> This file provides the delay dependences of the 4f moments, as collected from the (001) magnetic reflection (details provided in the methods section). The file is divided by Ln ion, for each LnRh2Si2 material. This is further divided into datasets that correspond to different pump fluences. For each fluence the fields provided are the moment (normalized), the corresponding error (see methods), the delay, and the fluence value.</p>
Imaging topological defects in a non-collinear antiferromagnet
<p>Data related to the publication, arXiv 2202.02243.</p> <p> </p>
Figure data to "Quantitative description of long-range order in the spin-1/2 XXZ antiferromagnet on the square lattice"
<p>This collection contains the data of the figures shown in the publication "Quantitative description of long-range order in the spin-1/2 XXZ antiferromagnet on the square lattice" as txt files.</p> <p>The CST datasets "Fig1_Gap_CST.txt", "Fig1_Energy_CST.txt" and "Fig3_CST.txt" are already published in https://doi.org/10.5281/zenodo.7528316 and included here for the sake of completeness.</p>
Data for "Antiferromagnetic phase transition in a 3D fermionic Hubbard model"
<p>This dataset is for research article "Antiferromagnetic phase transition in a 3D fermionic Hubbard model".</p>
Raw data to "Order-by-disorder in the antiferromagnetic $J_1$-$J_2$-$J_3$ transverse-field Ising model on the ruby lattice"
<p>This directory contains the data used to generate the results in the work "Order-by-disorder in the antiferromagnetic $J_1$-$J_2$-$J_3$ transverse-field Ising model on the ruby lattice" [1].</p> <p>To get an overview of the organization of the directory and a description of the data we recommend the README.txt file.</p> <p>[1]: A. Duft et al., Order-by-disorder in the antiferromagnetic $J_1$-$J_2$-$J_3$ transverse-field Ising model on the ruby lattice. arXiv:2312.12941</p>
Data for "Artificial out-of-plane Ising antiferromagnet on the kagome lattice with very small further neighbour couplings"
<p>Open access data and small scripts for the Figures of Colbois, Hofhuis, Luo, Wang, Hrabec, Heyderman and Mila, PRB 2021 (please cite upon using this data).</p> <p>Each folder contains a specific README file regarding its content. Here is only a short summary of the various folders contents:</p> <ol> <li>Colbois_Hofhuis_Micromagnetics_FurtherNeighbourInteractions_DATA : raw data from the micromagnetic simulations with MuMax</li> <li>Colbois_Micromagnetics_FurtherNeighbourInteractions_Analysis : Mathematica and Jupyter notebooks for the analysis of the micromagnetic simulations results and the creation of the corresponding Figures.</li> <li>Hofhuis_MFMandTIF_DATA : raw images and data for the spin configurations for the various samples of the experiment.</li> <li>Luo_Wang_Hofhuis_Protocols : text files describing the protocols for the sample fabrication and for the demagnetization process.</li> <li>Colbois_ExperimentalConfigurations_ANALYSIS : results and figures of the analysis of the data in Hofhuis_MFMandTIF_DATA.</li> <li>Colbois_MCandTNdata_J1 : data and analysis for the nearest neighbour model in zero field.</li> <li>Colbois_TNdata_J1-h : data and analysis for the nearest neighbour model in a field</li> <li>Colbois_J1J2_Data : MC data for all the plots related to the J1-J2 model</li> <li>Colbois_J1J2J3ph_Data : MC correlations data for the 1/3 magnetisation plateau, and magnetisation data for all fields.</li> </ol> <p> </p> <p> </p> <p> </p> <p> </p>
Data for the article "Strain-induced shape anisotropy in antiferromagnetic structures"
<p>Data for the article "Strain-induced shape anisotropy in antiferromagnetic structures" </p> <p>URL: https://link.aps.org/doi/10.1103/PhysRevB.106.094430<br> DOI: 10.1103/PhysRevB.106.094430</p>
Figure data to "Continuous similarity transformation for critical phenomena: easy-axis antiferromagnetic XXZ model"
<p>This collection of data is complementary to the publication "Continuous similarity transformation for critical phenomena: easy-axis antiferromagnetic XXZ model", Matthias R. Walther, Dag-Björn Hering, Götz S. Uhrig, Kai P. Schmidt, arXiv:2211.05689 (https://arxiv.org/abs/2211.05689).</p> <p>It contains the data points calculated by the method of Continuous Similarity Transformation(CST) used in Figures 3,5,6,7 and 8 in the CSV-Format.</p> <p>For details on the CST, the used error estimates and physical quantities we refer the the publication.</p> <p>For details on the format we recommend the README.md file.</p>
Spin pumping during the antiferromagnetic–ferromagnetic phase transition of iron–rhodium
<p>This data set contains the data for the figures of the published data as well as the published figures.</p>
Data for the article "Long-distance spin-transport across the Morin phase transition up to room temperature in the ultra-low damping alpha-Fe2O3 antiferromagnet"
<p>Data for experimental magneto-transport and resonance measurements for the article " Long-distance spin-transport across the Morin phase transition up to room temperature in the ultra-low damping α-Fe2O3 antiferromagnet " (https://arxiv.org/abs/2005.14414)</p>
Data for the article "Direct imaging of current-induced antiferromagnetic switching revealing a pure thermomagnetoelastic switching mechanism"
<p>Data for the article "Direct imaging of current-induced antiferromagnetic switching revealing a pure thermomagnetoelastic switching mechanism" (<a href="https://pubs.acs.org/doi/full/10.1021/acs.nanolett.0c03367">Direct Imaging of Current-Induced Antiferromagnetic Switching Revealing a Pure Thermomagnetoelastic Switching Mechanism in NiO | Nano Letters (acs.org)</a> and <a href="https://arxiv.org/abs/2008.05219">[2008.05219] Direct imaging of current-induced antiferromagnetic switching revealing a pure thermomagnetoelastic switching mechanism (arxiv.org)</a>)</p>
Data for the article "Identification of Néel vector orientation in antiferromagnetic domains switched by currents in NiO/Pt thin films"
<p>Data for the article "Identification of Néel vector orientation in antiferromagnetic domains switched by currents in NiO/Pt thin films" (<a href="https://arxiv.org/abs/2008.08507">[2008.08507] Identification of Néel vector orientation in antiferromagnetic domains switched by currents in NiO/Pt thin films (arxiv.org)</a>)</p>
Dataset package for the manuscript "Topological aspects of multi-$\bm{k}$ antiferromagnetism in cubic rare-earth compounds"
<p><strong>Dataset 1:</strong></p><p><strong>Title:</strong> Magnetic phase diagrams of HoCu, ErCu, and TmCu for magnetic field along the [111] axis.</p><p><strong>Description:</strong></p><p>Maxima and points of inflection observed in AC magnetic susceptibility data are stored in "HoCu111_1.dat", "HoCu111_2.dat", "HoCu111_3.dat", "HoCu111_4.dat", "ErCu111_FS.dat", "ErCu111_TS.dat", "TmCu111_FS.dat", and "TmCu111_TS.dat". The first and second columns correspond to temperature and field values of these points, respectively.</p><p> </p><p><strong>Dataset 2:</strong></p><p><strong>Title:</strong> Magnetization and electrical transport properties of bulk TmCu at <i>T </i>= 2K for magnetic field along [111].</p><p><strong>Description:</strong></p><p>The field dependence of the magnetization, longitudinal electrical resistivity, and transverse electrical resistivity are stored in the files "TmCuMagnetization.dat", "TmCuRhoxx.dat", and "TmCuRhoxy.dat", respectively. Contributions to the transverse resistivity that are associated with the normal Hall effect are stored in "TmCuRhoxynormalHall.dat". Anomalous Hall effect contributions that are linear in the magnetization are stored in "TmCuRhoxyAHE.dat".</p><p> </p><p><strong>Dataset 3:</strong></p><p><strong>Title: </strong> Magnetic neutron diffraction intensity as a function of temperature in HoCu at zero magnetic field.</p><p><strong>Description:</strong></p><p>Magnetic neutron diffraction intensity, as recorded by means of rocking-scans of the sample at the single-crystal diffractometer HEiDi (FRMII, Garching), centered around the reciprocal-space position <i><strong>Q</strong></i>0 = (1.5, 1.5, 1), are presented in "HoCuNeutronDiffraction_Int.dat" in terms of a 81 times 25 matrix. The presented intensity is normalized to the monitor. The first index enumerates the momentum transfer difference with respect to the reciprocal-space position <i><strong>Q</strong></i>0 and the second index the temperatures. The respective values are stored in "HoCuNeutronDiffraction_Q.dat" and "HoCuNeutronDiffraction_T.dat".</p>
Dataset package for the manuscript "A microscopic Kondo lattice model for the heavy fermion antiferromagnet CeIn3"
<p><strong>Figure 2:</strong> Derivation of the Kondo-Heisenberg model.</p><p><strong>Description:</strong></p><p>The electronic structure of CeIn3 on the reciprocal-space path RGXMG (G=Gamma) is stored in "fbands.dat" and in "allotherbands.dat". The file "fbands.dat" has 15 columns, where the first column provides the wave-vector projection onto the path RGXMG and columns 2-15 the energies of the 14 <i>f</i>-bands. In the file "allotherbands.dat" the first column corresponds to the wave-vector values and the other columns contain all remaining bands.</p><p>The wave-vector dependent interactions are stored in "InteractionSpectrum.dat". Here, the first column provides the wave-vector projection onto the path RGXMG, the second column the RKKY-interaction, the third column the superexchange, the fourth column the particle-particle interaction and the last column the sum of all interactions.</p><p> </p><p><strong>Figure 3:</strong> Calculated and measured magnon dispersion and dynamic magnetic susceptibility in the antiferromagnetic state of CeIn3.</p><p><strong>Description:</strong></p><p>The imaginary part of the dynamic magnetic susceptibility, as inferred from high-energy inelastic neutron scattering intensity, on the reciprocal space-path RG is stored in the file "HighEnergy_Int_RG.dat" in terms of a 59 x 68 matrix. Here, the first index enumerates the wavevector-projection onto the path RG and the second index the energy transfer. The respective wave-vector and energy values are stored in "HighEnergy_Q_RG.dat" and "HighEnergy_E_RG.dat", respectively. Similarly, inelastic neutron scattering intensity, wave-vector values, and energy-transfer values for the paths GX, XM, and MG are stored in the files "HighEnergy_Int_GX.dat", "HighEnergy_Q_GX.dat", "HighEnergy_E_GX.dat", "HighEnergy_Int_XM.dat", "HighEnergy_Q_XM.dat", "HighEnergy_E_XM.dat", "HighEnergy_Int_MG.dat", "HighEnergy_Q_MG.dat", and "HighEnergy_E_MG.dat".</p><p>The imaginary part of the dynamic magnetic susceptibility on the path RGXMG, as inferred from theory, is stored in the files "Theory_Q_RGXMG.dat", "Theory_E_RGXMG.dat", and "Theory_Int_RGXMG.dat", where the first, second, and third file provide the wave-vector projections, the energy transfers, and the values of the dynamic magnetic susceptibility, respectively.</p><p>The dispersion on the path RGXMG inferred from MOPAM calculations is stored in "MOPAM-Dispersion_RGXMG.dat" and the dispersion of the J1-model in "J1Model-Dispersion_RGXMG.dat". In both files, the first column corresponds to the wave-vector projection onto the path RGXMG and the second column to the energy.</p><p>Cuts at the constant wave-vectors Q1 and Q2, as inferred from experiments, are stored in "Experiment_ConstQ1.dat" and "Experiment_ConstQ2.dat", respectively. The cuts from theory are stored in "Theory_ConstQ1.dat" and "Theory_ConstQ2.dat".</p><p>The integral over the dynamic magnetic susceptibility on the path RGXMG inferred from theory is stored in "Theory_IntegralOverchi.dat", where the first and second columns provide the wave-vector projection and the integrated values, respectively. The values inferred from experiment are stored in "Experiment_IntegralOverchi.dat". The first and second columns provide the wave-vector projection and the integrated values, respectively. The last column provides the error bars.</p><p> </p><p><strong>Figure 4: </strong>Signature of long-range RKKY interactions in CeIn3,</p><p><strong>Description:</strong></p><p>High-resolution inelastic neutron scattering data on the path RG are presented in "HighResolution_Int_RG.dat". The first and second index enumerates the wave-vector projection onto the path RG and energy transfer, respectively. The respective values are stored in "HighResolution_Q_RG.dat" and "HighResolution_E_RG.dat".</p><p>Similarly, data for the paths RX and RM are stored in the files "HighResolution_Int_RX.dat", "HighResolution_Q_RX.dat", "HighResolution_E_RX.dat", "HighResolution_Int_RM.dat", "HighResolution_Q_RM.dat", and "HighResolution_E_RM.dat".</p><p>The dispersion inferred from MOPAM calculations on the paths RG, RX, and RM, is stored in "MOPAM-Dispersion_RG.dat", "MOPAM-Dispersion_RX.dat", and "MOPAM-Dispersion_RM.dat", respectively. Similarly, the dispersions of the J1 model on the paths RG, RX, and RM, are stored in "J1Model-Dispersion_RG.dat", "J1Model-Dispersion_RX.dat", and "J1Model-Dispersion_RM.dat", respectively.</p><p>Cuts at constant energies 0.6 meV and 1.4 meV along RG are stored in "HighResolution_RG_ConstEcut_0p6meV.dat" and "HighResolution_RG_ConstEcut_1p4meV.dat", respectively. Similarly, cuts along RX are stored in "HighResolution_RX_ConstEcut_0p6meV.dat" "and HighResolution_RX_ConstEcut_1p4meV.dat" and along RM in "HighResolution_RM_ConstEcut_0p4meV.dat" "and HighResolution_RM_ConstEcut_1p4meV.dat".</p><p> </p>
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