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2,118 results for “Metal”
FIGURE 30 in Revision of the metallic species of Lasioglossum (Dialictus) in Canada (Hymenoptera, Halictidae, Halictini) 2591
FIGURE 30. Metapostnotum of female (A) L. semicaeruleum, (B) L. zephyrum.
FIGURE 41 in Revision of the metallic species of Lasioglossum (Dialictus) in Canada (Hymenoptera, Halictidae, Halictini) 2591
FIGURE 41. Dorsolateral slope of propodeum of female (A) L. lineatulum, (B) L. novascotiae.
FIGURE 11 in Revision of the metallic species of Lasioglossum (Dialictus) in Canada (Hymenoptera, Halictidae, Halictini) 2591
FIGURE 11. Parapsidal line of mesoscutum, indicated by arrow, (A) narrow, (B) wide (L. foveolatum)
Rusty metal door of a shop
Rusty metal door of a shop. LIDAR scanner tests. Source: Objaverse 1.0 / Sketchfab
Biologically plausible information propagation in a complementary metal-oxide semiconductor integrate-and-fire artificial neuron circuit with memristive synapses
<p>This is the repository containing the datasets relative to the publication: <em>L. Benatti, T. Zanotti, D. Gandolfi, J. Mapelli, and F. M. Puglisi, “Biologically plausible information propagation in a complementary metal-oxide semiconductor integrate-and-fire artificial neuron circuit with memristive synapses,” Nano Futures, vol. 7, no. 2, p. 025003, May 2023, doi: <a href="https://doi.org/10.1088/2399-1984/accf53">10.1088/2399-1984/accf53</a>.</em></p> <p>In this folder, you will find MATLAB workspaces containing:</p> <ul> <li><strong>Sni:</strong> Tables with stimuli values (binary and decimal), noise, and surprise, divided by synapse conductance values.</li> <li><strong>MI_vs_G:</strong> Vectors containing simulated values of mutual information (MI), noise, and entropy associated with synapse conductance values, as shown in Figure 5.</li> <li><strong>SpS_vs_rank:</strong> Traces of surprise per spike (SpS) related to synapse conductance values, ordered by stimulus rank. <br> This includes the tracking of stimuli associated with lower/higher SpS as synapse conductance varies, as illustrated in Figure 6b.</li> </ul>
Source data for "Growth of diamond in liquid metal at 1 atmosphere pressure"
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Allantoin and metals in mosses
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Deep Neural Network Surrogate for Surface Complexation Model of Metal Oxide/Electrolyte Interface
<p>These files are the data used in the paper "<a href="https://scholar.google.com/citations?view_op=view_citation&hl=en&user=ncAYQ4MAAAAJ&sortby=pubdate&citation_for_view=ncAYQ4MAAAAJ:LkGwnXOMwfcC">Deep neural network surrogate for surface complexation model of metal oxide/electrolyte interface</a>".</p> <ul> <li>CSV files are used to train the DNN model.</li> <li>NPZ files are used to train the random forest model. </li> </ul>
Source Data for "Atomic-Precision Control of Plasmon-Induced Single-Molecule Switching in a Metal-Semiconductor Nanojunction" and Supplementary Information
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Raw NMR data for Structural Studies of Alloyed and Nanoparticulate Transition Metal Dichalcogenides by Selenium-77 Solid-State Nuclear Magnetic Resonance Spectroscopy
<p>Raw NMR data for main text figures.</p>
Trace element uptake by macroalgae: organic colloids as a source of metals, including Fe and rare earth elements
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Light Transition Metals K-edge XANES
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Scripts and Datasets for Photocatalytic Nanoscale Metal-Organic Framework for Proximity Labeling in Living Cells
<p>Please read data_process.ipynb for more details.</p>
Role of Counterions in the Structural Stabilisation of Redox-Active Metal-Organic Frameworks
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Through-space hopping transport in an iodine-doped perylene-based metal–organic framework
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Signatures of a strange metal in a bosonic system
<p><strong>Metals have the distinguishing characteristic of an electrical resistivity that decreases with decreasing temperature <em>T.</em> Within Fermi liquid theory, which forms the basis for our understanding of ordinary metals, their resistance arises from the scattering of well-defined quasiparticles at a rate following 1/</strong><strong><em>τ</em></strong><strong> ~ <em>T</em><sup>2</sup> in the low temperature limit. Various quantum materials<sup>1–15</sup>, notably high-temperature superconductors<sup>1–10</sup>, however, exhibit metallic behavior that deviates from this central paradigm. The resistivities of these strange metals imply a scattering rate that is linear in temperature, which renders the assumption of long-lived quasiparticles at low <em>T</em> problematic. Moreover, the bounded slope of the <em>T</em>-linear resistance in fermionic strange metal is linked to the so-called </strong><strong>Planckian dissipation<sup>3,11,16,17</sup>, which lends strange metals a surprising link to black holes, gravity, and quantum information theory<sup>18-20</sup>. Here we show the unexpected appearance of strange metal signatures in a bosonic system for which the quasiparticle concept does not apply. Our nanopatterned YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−δ</sub> (YBCO) film arrays reveal signatures of <em>T</em>-linear resistance as well as <em>B</em>-linear resistance over an extended temperature and magnetic field range in various samples. Strikingly, below the onset temperature </strong> <strong> at which Cooper pairs form, the low-field magnetoresistance oscillates with a period dictated by the superconducting flux quantum of <em>h</em>/2<em>e</em> where <em>e</em> is the electron charge and <em>h</em> is the Planck constant. Simultaneously, the Hall coefficient <em>R</em><sub>H</sub> drops and vanishes within the measurement resolution with decreasing temperature. These two signatures indicate that Cooper pairs instead of single electrons dominate the transport process and the system is bosonic. </strong><strong>By extending the reach of strange metal phenomenology to a bosonic system, our results suggest that there is a fundamental principle governing their transport which transcends particle statistics.</strong></p>
Coherent, atomically thin transition-metal dichalcogenide superlattices with engineered strain
<p>The sample is coherent WS<sub>2</sub>-WSe<sub>2</sub> superlattice (Xie, et al. Science 359, 1131-1136 (2018)). The datasets were collected by electron microscope pixel array detector (EMPAD) under the condition described in this paper (Han, et al. Nano Letters, 18, 3746-3751 (2018)). The rotation angle between the real space and diffraction space in these datasets is 37 degrees. The data have also been analyzed in our recent paper (arXiv:2111.06496) and a conference proceeding (Shi, et al. Microsc. Microanal. 27 Suppl 1, 2021). </p>
AIMD simulations of water over transition metal surfaces
<p>AIMD simulations of water molecules over (111) surfaces of Ag, Au, Cu, Pt, Pd, and Rh, (211) and (100) surfaces of Ag, Au, Cu, and Pt, and (0001) surface of Ru. Data used for analysis in "OH binding energy as a universal descriptor of the potential of zero charge on transition metal surfaces," which can be found on ChemRxiv with DOI <a href="https://doi.org/10.26434/chemrxiv-2021-dkb6l">10.26434/chemrxiv-2021-dkb6l</a>.</p>
Directional ballistic transport in the two-dimensional metal PdCoO2
<p>In an idealized infinite crystal, the material properties are constrained by the symmetries of its unit cell. However, the point-group symmetry is broken by the sample shape of any finite crystal, but this is commonly unobservable in macroscopic metals. To sense the shape-induced symmetry lowering in such metals, long-lived bulk states originating from an anisotropic Fermi surface are needed. Here we show how a strongly facetted Fermi surface and the long quasiparticle mean free path present in microstructures of PdCoO<sub>2</sub> yield an in-plane resistivity anisotropy that is forbidden by symmetry on an infinite hexagonal lattice. We fabricate bar-shaped transport devices narrower than the mean free path from single crystals using focused ion beam milling, such that the ballistic charge carriers at low temperatures frequently collide with both of the side walls that define the channel. Two symmetry-forbidden transport signatures appear: the in-plane resistivity anisotropy exceeds a factor of 2, and a transverse voltage appears in zero magnetic field. Using ballistic Monte Carlo simulations and a numerical solution of the Boltzmann equation, we robustly identify the orientation of the narrow channel as the source of symmetry breaking.</p>
Fig. 1 in Accumulation Of Heavy Metals By Small Mammals The Background And Polluted Territories Of The Urals
Fig. 1. Concentration of heavy metals in the tissues (liver+kidney+spleen) of small mammals: 1 — background zone; 2 — impact zone.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.