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8 results for “interfacial interactions”
Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmion at room temperature
<p>International audience Facing the ever-growing demand for data storage will most probably require a new paradigm. Nanoscale magnetic skyrmions are anticipated to solve this issue as they are arguably the smallest spin textures in magnetic thin films in nature. We designed cobalt-based multilayered thin films where the cobalt layer is sandwiched between two heavy metals providing additive interfacial Dzyaloshinskii-Moriya interactions, which reach a value close to 2 mJ m-2 in the case of the Ir|Co|Pt asymmetric multilayers. Using a magnetization-sensitive scanning x-ray transmission microscopy technique, we imaged small magnetic domains at very low field in these multilayers. The study of their behavior in perpendicular magnetic field allows us to conclude that they are actually magnetic skyrmions stabilized by the large Dzyaloshinskii-Moriya interaction. This discovery of stable sub-100 nm individual skyrmions at room temperature in a technologically relevant material opens the way for device applications in a near future. on</p>
Data set of article entitled: "Impact of the interfacial Dzyaloshinskii-Moriya interaction on the band structure of one-dimensional artificial magnonic crystals: A micromagnetic study"
<p>Data set of the immagies showed in figure 3 of the article entiteled "Impact of the interfacial Dzyaloshinskii-Moriya interaction on the band structure of one-dimensional artificial magnonic crystals: A micromagnetic study". All files contain the matrix of the dispersion relations of the two analysed Magnonic Crystals: the SAMPLE A and the SAMPLE B for different value of the interfacial Dzyaloshinskii-Moriya interaction (constant D). The first row is the set of values of k-vector, while the first column is the set of value of the frequencies. The other elements of the matrix are the values of the pixel related to the first row and first column. These elements are been obtanied by the Fast Fourier Transform in time and space of the micromagnetic simulations .</p>
Dataset supporting the paper "Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures. ACS Nano 14, 6285 (2020)"
<p>Dataset corresponding to theoretical calculations in the paper "Molecular Approach for Engineering Interfacial Interactions in Magnetic/Topological Insulator Heterostructures" ACS Nano 14, 6285 (2020), DOI: <a href="https://doi.org/10.1021/acsnano.0c02498">10.1021/acsnano.0c02498</a></p> <p>List of files:</p> <p>Several folders corresponding to the figures of the paper. They contain the following files:</p> <ul> <li>CONTCAR files: relaxed structures in VASP format. They can be visualized with VESTA (<a href="https://jp-minerals.org/vesta/en/">https://jp-minerals.org/vesta/en/</a>)</li> <li>.agr files: grace files (<a href="https://plasma-gate.weizmann.ac.il/Grace/">https://plasma-gate.weizmann.ac.il/Grace/</a>).<br> </li> </ul>
RAW DATA - Control of Intermolecular Interactions toward the Production of Free-Standing Interfacial Polydopamine Films - ACS Applied Materials & Interfaces 2023 15 (30), 36922-36935 DOI: 10.1021/acsami.3c05236
<div>This repository contains RAW data for the experiment described in the publication:</div> <div> </div> <div>Jakub Szewczyk, Visnja Babacic, Adam Krysztofik, Olena Ivashchenko, Mikołaj Pochylski, Robert Pietrzak, Jacek Gapiński, Bartłomiej Graczykowski, Mikhael Bechelany, and Emerson Coy, Control of Intermolecular Interactions toward the Production of Free-Standing Interfacial Polydopamine Films, ACS Applied Materials & Interfaces 2023 <em>15</em> (30), 36922-36935, DOI: 10.1021/acsami.3c05236.</div> <div> </div> <div>For more information please contact the corresponding authors.</div>
Control of Intermolecular Interactions toward the Production of Free-Standing Interfacial Polydopamine Films - BLS dataset
<p>Raw Brillouin light scattering (BLS) data to Figure 6 (d-e) in the publication https://doi.org/10.1021/acsami.3c05236 .</p> <p>The txt files can be opened in Origin for example. The first column is frequency in GHz, and the second column is BLS signal intensity in arb. units. The incident scattering angle is written at the end of the file names, for example "_308deg" denotes that the scattering angle was 30.8 deg.</p>
Structural characterization of the protein-material interfacial interactions by using lysine reactivity profiling-mass spectrometry
<p>The exploration of interfacial molecular interactions of protein-material integrations and how material modulate the protein structure and activity are essential to the safety evaluation of biomedical micro/nanomaterials, toxicity estimation and design of nano-drugs, and catalytic activity improvement of bio-inorganic functional hybrids. However, characterizing the interfacial molecular details of protein-micro/nanomaterial hybrids remains a great challenge. Herein, we introduce the protocol of lysine reactivity profiling-mass spectrometry (LRP-MS) strategy for probing the interfacial molecular structures between proteins and micro/nanomaterials. LRP-MS utilizes lysine residues as the endogenous probes to characterize the protein localization orientation, interaction sequence regions, binding sites, and modulated protein structures in the protein-material hybrids, which cannot be achieved by traditional spectroscopy methods. We describe the optimized heavy and light two-step isotope dimethyl labeling strategy for protein-material hybrids under their native and denaturing conditions in sequence. The comparative quantification results of lysine reactivity (referred as NLE) are only dependent on the native microenvironments of lysine local structures. We also highlight other critical steps including protein digestion, elution from materials, data processing, and interfacial structure analysis. The two-step isotope labeling steps need about 5 h, and the whole protocol including digestion, liquid chromatography-tandem mass spectrometry, data processing, and structure analysis needs about 3-5 days.</p>
Thermally superactive artificial kagome spin ice structures obtained with the interfacial Dzyaloshinskii-Moriya interaction
<p>Open Data for "Thermally superactive artificial kagome spin ice structures obtained with the interfacial Dzyaloshinskii-Moriya interaction", published in PRB 102, 180405(R) (2020)</p>
Dataset for the article "Tailoring interfacial effect in multilayers with Dzyaloshinskii–Moriya interaction by helium ion irradiation" DOI: 10.1038/s41598-021-02902-y
<p>The dataset provides the data reported in Fig.3(e-f), Fig.4(a-f), Fig.5(b), Fig.6(a-c) of the article. </p>
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International Brain Laboratory public data
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OpenNeuro
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