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12 results for “Chiral magnet”
Datasets for "Gravitational waves from the chiral magnetic effect"
<pre>This directory contains an index.html file with links to the run directories and idl plotting routines with secondary data for the other figures for the paper "Gravitational waves from the chiral magnetic effect" by A. Brandenburg, Y. He, T. Kahniashvili, M. Rheinhardt, and J. Schober. If anything turns out to be incomplete, please email brandenb@nordita.org.</pre>
Magnetic interactions between radical pairs in chiral graphene nanoribbons
<p>OPEN DATA related to the research publication:</p> <p>T. Wang, S. Sanz, J. Castro-Esteban, J. Lawrence, A. Berdonces-Layunta, M. S. G. Mohammed, M. Vilas-Varela, M. Corso, D. Peña, T. Frederiksen, and D. G. de Oteyza<br> <em>Magnetic interactions between radical pairs in chiral graphene nanoribbons</em><br> Nano Lett. <strong>22</strong>, 164-171 (2022) [arXiv:2108.13473]</p> <p>Abstract: Open-shell graphene nanoribbons have become promising candidates for future applications, including quantum technologies. Here, we characterize magnetic states hosted by chiral graphene nanoribbons (chGNRs). The substitution of a hydrogen atom at the chGNR edge by a ketone effectively adds one p<sub>z</sub> electron to the π-electron network, producing an unpaired π-radical. A similar scenario occurs for regular ketone-functionalized chGNRs in which one ketone is missing. Two such radical states can interact via exchange coupling, and we study those interactions as a function of their relative position, which includes a remarkable dependence on the chirality, as well as on the nature of the surrounding ribbon, that is, with or without ketone functionalization. Besides, we determine the parameters whereby this type of system with oxygen heteroatoms can be adequately described within the widely used mean-field Hubbard model. Altogether, we provide insight to both theoretically model and devise GNR-based nanostructures with tunable magnetic properties.</p>
Tuning topological spin textures in size-tailored chiral magnet insulator particles
<p>The file contains the raw data and code used for the paper entitled "Tuning topological spin textures in size-tailored chiral magnet insulator particles" by Priya R. Baral et al. to be published in Journal of Physical Chemistry C. </p> <p>Requests for further information can be directed to the corresponding author: Arnaud Magrez (arnaud.magrez 'at' epfl.ch) </p>
Confined dipole and exchange spin waves in a bulk chiral magnet with Dzyaloshinskii-Moriya interaction-Data files
<p>Raw data associated to the manuscript ‘Confined dipole and exchange spin waves in a bulk chiral magnet with Dzyaloshinskii-Moriya interaction.” File formats are described in info.txt files in the concerning folders. For plotting and data evaluation Matlab 2019b and OriginPro 2018b were used. </p> <p>We acknowledge financial support from the Swiss National Science Foundation (SNSF) via Grant No. 171003 Sinergia project Nanoskyrmionics, the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Grant No. TRR80 (From Electronic Correlations to Functionality, Project No. 107745057, and Projects No. E1 and No. F7), SPP2137 (Skyrmionics, Project No. 403191981, Grant No. PF393/19), and the excellence cluster MCQST under Germany’s Excellence Strategy EXC-2111 (Project No. 390814868). Financial support by the European Research Council (ERC) through Advanced Grants No. 291079 (TOPFIT) and No. 788031 (ExQuiSid) is gratefully acknowledged.</p> <p>Paper abstract:</p> <p>The Dzyaloshinskii-Moriya interaction (DMI) has an impact on excited spin waves in the chiral magnet Cu<sub>2</sub>OSeO<sub>3</sub> by means of introducing asymmetry in their dispersion relations. The confined eigenmodes of a chiral magnet are hence no longer the conventional standing spin waves. Here we report a combined experimental and micromagnetic modeling study by broadband microwave spectroscopy, and we observe confined spin waves up to eleventh order in bulk Cu<sub>2</sub>OSeO<sub>3</sub> in the field-polarized state. In micromagnetic simulations we find similarly rich spectra. They indicate the simultaneous excitation of both dipole- and exchange-dominated spin waves with wavelengths down to (47.2 ± 0.05) nm attributed to the exchange interaction modulation. Our results suggest the DMI to be effective in creating exchange spin waves in a bulk sample without the challenging nanofabrication and thereby in exploring their scattering with noncollinear spin textures.</p>
Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering"
<p>Data for the article "Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering" (<a href="https://www.nature.com/articles/s41467-020-19613-z">Faster chiral versus collinear magnetic order recovery after optical excitation revealed by femtosecond XUV scattering | Nature Communications</a>) <a href="https://arxiv.org/abs/2002.03971">[2002.03971] Chiral versus collinear magnetic order dynamics: faster chiral recovery after optical excitation revealed by femtosecond XUV scattering (arxiv.org)</a></p>
Engineering of intrinsic chiral torques in magnetic thin films based on the Dzyaloshinskii-Moriya interaction
<p>Open data for <strong>Engineering of intrinsic chiral torques in magnetic thin films based on the Dzyaloshinskii-Moriya interaction</strong></p>
Transport chirality generated by a tunable tilt of Weyl nodes in a van der Waals topological magnet
<p>The source ASCII data files for the article entitled "Transport chirality generated by a tunable tilt of Weyl<br>nodes in a van der Waals topological magnet".</p>
Electron microscopy data for Hopfion rings in a cubic chiral magnet
<p>Raw data for Figures shown in the main text and Extended Data Figs 1-4 are provided here. Data is provided in *.dm4 format, which can be opened by Gatan Microscopy Suite (GMS) software 3.4. </p>
Control of spin-orbit torque-driven domain nucleation through geometry in chirally coupled magnetic tracks
<p>Open data for "Control of spin-orbit torque-driven domain nucleation through geometry in chirally coupled magnetic tracks" published in <em>Appl. Phys. Lett.</em> 125, 142401 (2024)</p> <p><a href="https://doi.org/10.1063/5.0224146" target="_blank" rel="noopener">https://doi.org/10.1063/5.0224146</a></p>
Spontaneous reversal of spin chirality and competing phases in the topological magnet EuAl4 - Data set
Open the record for dataset details and reuse information.
Assessing the Nature of Chiral-Induced Spin Selectivity by Magnetic Resonance. Open data set
<p>Data supporting the original figures 2,3,4 of the related publication.</p>
Data for "Methamphetamine Removal from Aquatic Environments by Magnetic Microrobots with Cyclodextrin Chiral Recognition Elements"
Open the record for dataset details and reuse information.
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International Brain Laboratory public data
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OpenNeuro
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