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45 results for “magnetic properties”
Dataset: Tailoring the Magnetic and Structural Properties of Manganese/Zinc Doped Iron Oxide Nanoparticles through Microwaves-Assisted Polyol Synthesis
<p>Data set</p>
Magnetic Properties of Lightning-Induced Glass Produced from Five Mineral Phases
<p>The excel sheet contains raw and corrected vibrating sample magnetometry data of five igneous minerals (< 32 µm powders of albite, labradorite, augite, hornblende, and magnetite) before and after high-current impulse experiments conducted at peak currents of 25 and 40 kA.</p>
Magnetic properties of siliciclastic cave sediments from the Ciur Izbuc Cave
<p>Magnetic properties of siliciclastic cave sediments from the Ciur Izbuc Cave (Apuseni Mts., Romania: 46.85171° N, 22.40014° E, 540 m). Further details can be found in Moldovan et al. (2016), Fossil invertebrates records in cave sediments and paleoenvironmental assessments: a study of four cave sites from Romanian Carpathians, Biogeosciences, 13, 483-487, https://doi.org/10.5194/bg-13-483-2016.</p>
Magnetic properties of siliciclastic cave sediments from the Leșu Cave
<p>Magnetic properties of siliciclastic cave sediments from the Leșu Cave (Peștera cu Apă din valea Leșu) (Apuseni Mts., Romania: 46.824332° N, 22.556533° E, 721 m). Further details can be found in Moldovan et al. (2016), Fossil invertebrates records in cave sediments and paleoenvironmental assessments: a study of four cave sites from Romanian Carpathians, Biogeosciences, 13, 483-487, https://doi.org/10.5194/bg-13-483-2016.</p>
Data from: Interplay of crystal structure and magnetic properties of the Eu5.08-xSrxAl3Sb6 solid solution
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Data from: β-Phase Yb5Sb3Hx: Magnetic and thermoelectric properties traversing from an electride to a semiconductor
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Variations in the magnetic properties of meteoritic cloudy zone
<p>Data relating to Figure 5: Mossbauer data for the normalized phase fraction of kamacite, tetrataenite and antitaenite in the cloudy zone of three meteorites: the Esquel Main Group pallasite, the Tazewell IAB iron meteorite and the Estherville mesosiderite.</p> <p>Data relating to Figure 6: XMCD intensity distributions in the coarse cloudy zone in the Imilac Main Group pallasite and the Toluca IAB iron meteorite.</p> <p>Further details are provided in Nichols et al., 2020 submitted to <em>Geochemistry, Geophysics, Geosystems</em>.</p>
Data for Enhanced soft magnetic properties with high frequency stability of pure iron powder cores via high-pressure compaction – an environment and cost saving solution as a prospective alternative to soft magnetic composites
<p>Data for the scientific paper Enhanced soft magnetic properties with high frequency stability of pure iron powder<br>cores via high-pressure compaction – an environment and cost saving solution as a<br>prospective alternative to soft magnetic composites</p>
A combined experimental and theoretical approach to the electronic and magnetic properties of Cu-doped LaMnO3 perovskites
<p>Collected data in Origin file format of magnetic and cw-EPR measurements of LaMnO3, La2CuO4 and Cu-doped LaMnO3. Temperature and magnetic field dependent magnetization measurements have been carried out on a Quantum Design Physical Properties Measurement System (PPMS). Room temperature continuous wave EPR (cw-EPR) measurements at X-band (9.86 GHz) frequencies have been conducted with a Bruker B-ER420 spectrometer upgraded with Bruker ECS 041XG microwave bridge and a lock-in amplifier (Bruker ER023M) using Bruker TE102 resonator applying a modulation amplitude of 5 G, a modulation frequency of 100 kHz and an attenuation of 20 dB for the microwave bridge. The samples have been measured in quartz tubes of 2.9 mm outer diameter with a filling height of approx. 9 mm containing approx. 7 mg to 20 mg of the powdered sample. All spectra are background-corrected taking an empty quartz tube as reference.</p>
Data from Anomalous Ferromagnetic Phase in the Gd1-xErxB4 Series: Crystal Growth, Thermal and Magnetic Properties
<p>This upload contains all the dataset used to prepare the paper "Anomalous Ferromagnetic Phase in the Gd1-xErxB4 Series: Crystal Growth, Thermal and Magnetic Properties"</p>
Structural, electronic, and magnetic properties of CrTe2
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Data from: The cell uptake properties and hyperthermia performance of Zn0.5 Fe 2.5O4 /SiO2 nanoparticles as magnetic hyperthermia agents
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Effect of B-site co-substitution on the structure and magnetic properties of nanocrystalline neodymium orthoferrite synthesized by auto-combustion
<p><span>Samples of cobalt-doped neodymium orthoferrite compounds, NdCo<sub>x</sub>Fe<sub>1-x</sub>O<sub>3</sub> (0.0 ≤ x ≤ 0.5) were synthesized via glycine auto-combustion between 250 – 300 °C and calcined at 500 °C for two hours. X-ray diffraction showed that all compounds had an orthorhombic perovskite structure with space group Pbnm. Increasing cobalt doping gradually reduced the lattice parameters and contracted the unit cell volume. Both X-ray diffraction and Scanning Electron Microscopy showed that the particles were spherical and in the nano-sized range (19 – 52 nm) with pores between grains. Vibrating sample magnetometry at room temperature indicated that NdFeO<sub>3</sub> has high coercive field (1950 Oe) and cobalt substitution for iron led to a decrease in the coercive field, saturation and remanent magnetization which was as a result of decreased magnetic moments in the crystal and reduced canting of the FeO<sub>6</sub> octahedra. The increase in magnetization and coercive fields with increase Co was connected to the microstructure (bond lengths and angles, defects, pores, grain boundaries) and crystallite size. The compounds NdCo<sub>x</sub>Fe<sub>1-x</sub>O<sub>3</sub> show antiferromagnetism with weak ferromagnetism due to uncompensated noncollinear moments. These compounds could serve as prototypes for tuning the properties of magnetic materials (ferromagnetic and antiferromagnetic) with potential applications in data storage, logic gates, switches and sensors. </span></p>
Raw data of: Changes in magnetic properties of magnetite nanoparticles upon microbial iron reduction
<p>The magnetic signals of magnetite nanoparticles (NPs) preserved in rocks, soils, and sediments are effective index for paleoenvironmental reconstruction. It has been demonstrated that magnetite NPs can serve as a terminal electron sink for the microbial respiration (i.e., microbial iron reduction). The magnetic properties of magnetite NPs may be altered by microbial iron reduction, which is a critical but often overlooked process in paleomagnetism. In this study, three magnetite NPs with different particle sizes were reduced by a dissimilatory iron-reducing bacterium (<em>Shewanella oneidensis</em> MR-1) under a non-growth condition mimicking that of the early Earth and modern oligotrophic environment. The changes in magnetic, chemical as well as crystallographic properties of the magnetite NPs during the microbial reduction process were examined. Our results showed that the bioreduction rate of magnetite NPs was mainly controlled by their particle size and redox state. In addition, the microbial iron reduction could affect both the crystallographic and magnetic properties of three types of magnetite NPs used herein. After bioreduction, the crystal lattice parameters and magnetic susceptibility of the magnetite NPs increased, while their remanence recording capability and coercivity decreased (i.e., "softer" magnetism). Furthermore, bioreduced magnetite NPs had a larger remanence loss near the Verwey transition region with low-temperature magnetic analysis. These results indicate that the microbial reduction of magnetite NPs deserves attention when sedimentary magnetites are used in paleoenvironment reconstruction.</p>
Simulating Static and Dynamic Properties of Magnetic Molecules with Prototype Quantum Computers. Open data set
<p>Data supporting the original figures 1, 2, 3, 4, 5 of the related publication.</p>
Magnetic properties of siliciclastic cave sediments from the Ciclovina Uscată Cave
<p>Magnetic properties of siliciclastic cave sediments from the Ciclovina Uscată Cave (South Carpathians, Romania: 45.574693° N, 23.139071° E, 766 m). Further details can be found in Panaiotu, C. & Petrea, C., 2009. Magnetic properties of sediments from the Ciclovina Uscata Cave. In: Alexandru Petculescu, Dumitru Murariu (eds), The first ecological reconstruction of underground environment from Romania- Ciclovina Uscata Cave -, Editura Universitară, Bucureşti, pp. 97-110 (ISBN: 978-973-749-792-5) (see the attached files chapter 6.pdf, References chapter 6.pdf).</p>
Effect of B-site co-substitution on the structure and magnetic properties of nanocrystalline neodymium orthoferrite synthesized by auto-combustion
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Raw data of: Changes in magnetic properties of magnetite nanoparticles upon microbial iron reduction
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Data from: First-principles calculations of structural, electronic, magnetic and elastic properties of Mo2FeB2 under high pressure
The structural and electronic density of states, magnetic, and elastic properties of Mo2FeB2 under high pressure have been investigated with first principles calculations. Furthermore, the thermal dynamic properties of Mo2FeB2 were also studied with the quasiharmonic Debye model. The volume of Mo2FeB2 decreases with the increasing pressure. Using the analysis of the density of the states, atom population and Mulliken overlap population, it is observed that as the pressure increases, the B-B bonds are strengthened, and the B-Mo covalency decreases. Moreover, for all pressures, Mo2FeB2 is detected in the antiferromagnetic phase and the magnetic moments decrease with the increasing pressure. The calculated bulk modulus, shear modulus, Young's modulus, Poisson's ratio and universal anisotropy index all increase with the increasing pressure. From thermal expansion coefficient analysis, it is found that Mo2FeB2 shows good volume invariance under high pressure and temperature. The examination of the dependence of heat capacity on the temperature and pressure shows that heat capacity is more sensitive to temperature than to pressure
Prospective Evaluation of the Biomechanical Properties of the Thoracic Aorta Coupling Magnetic Resonance Imaging and In-vitro Elasticity Tests in Patients With Ascending Aortic Aneurysm
ClinicalTrials.gov study NCT03746964. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.