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647 results for “Silicon”
Total molar amount of silicon used in this paper
<p>Total molar amount of silicon of different minerals in the skarn alteration zone at skarn volume of Length1200m, width 500m, thickness 300m.</p>
A single hole with enhance coherence in natural silicon
<p>A single hole with enhance coherence in natural silicon</p>
Hexagonal Silicon-Germanium Nanowire Branches with Tunable Composition
<p>Hexagonal SiGe-2H has been recently shown to have a direct bandgap, and holds the promise to be compatible with silicon technology. Hexagonal Si (Ge) has been grown on an epitaxial lattice matched template consisting of wurtzite GaP (GaAs). Here, we present the growth of hexagonal Si and SiGe nanowire branches grown from a wurtzite stem by the Vapor-Liquid-Solid (VLS) growth mode, which is substantiated by <em>in-situ</em> transmission electron microscopy. We show that the composition can be tuned through the whole range of stoichiometry from Si to Ge, and the possibility to realize Si and SiGe heterostructures in these branches. </p>
Data from: Nitrogen availability and plant-plant interactions drive leaf silicon concentration in wheat genotypes
<p><span>Estimating plasticity of leaf silicon (Si) in response to abiotic and biotic factors underpins our comprehension of plant defences and stress resistance in natural and agroecosystems. However, how nitrogen (N) addition and intraspecific plant-plant interactions affect Si accumulation remains unclear. </span></p> <p><span>We grew 19 durum wheat genotypes (<em>Triticum turgidum</em> ssp. durum) in pots, either alone, or in intra- or intergenotypic cultures of two individuals, and with or without N. </span><span>Aboveground biomass, plant height and leaf [Si] were quantified at the beginning of the flowering stage.</span></p> <p><span>Nitrogen addition</span> <span>decreased leaf</span> <span>[Si] for most genotypes, proportionally to the biomass increase. Si plasticity to plant-plant interactions varied significantly among genotypes, with both increases and decreases in </span><span>leaf</span> <span>[Si] when mixed with a neighbour, regardless of the mixture type (intra-/intergenotype). Besides, increased leaf [Si] in response to plant-plant interactions was associated with increased plant height.</span></p> <p><span>Our results suggest the occurrence of </span><span>both facilitation and competition for Si uptake from the rhizosphere in wheat mixtures. Future research should identify which leaf and root traits characterize facilitating neighbours for Si acquisition. We also show that Si could be involved in height gain in response to intraspecific competition, possibly for increasing light capture. This important finding opens up new research directions on Si and plant-plant interactions in both natural ecosystems and agroecosystems. More generally,</span> <span>o</span><span>ur results stress the need to explore leaf Si plasticity in responses to both abiotic and biotic factors to understand plant stress resistance.</span></p>
3D scanning data of the tooth surface of Japanese macaque (NMNS PV 6166-7) and the silicone impression molds of it
<p>3D scanning data of the tooth surface of Japanese macaque (NMNS PV 6166-7) and the silicone impression molds of it are saved in ".vk3", ".mnt", and ".sur" format, which are analyzed in:</p> <p>Sawaura, R., Kimura, Y., and Kubo, M. O. "Accuracy of Dental Microwear Impressions by Physical Properties of Silicone Materials" submitted to Frontiers in Ecology and Evolution.</p> <p>For details, please see the information in the paper.</p>
Figure files for Coherent spin-valley oscillations in silicon
<p>This repository contains .fig (matlab) files corresponding to the figures in Coherent spin-valley oscillations in silicon.</p>
Coupling Silicon Lithography with Metal Casting-Data Set
<p>Dataset corresponding to the article Coupling Silicon Lithography with Metal Casting <a href="https://doi.org/10.1016/j.apmt.2022.101647">https://doi.org/10.1016/j.apmt.2022.101647</a> </p>
Data and QPI codes for "Evidence for chiral superconductivity on a silicon surface"
<p>Data files and supplementary codes for the paper "Evidence for chiral superconductivity on a silicon surface." To appear in Nature Physics. A preprint is available at: https://arxiv.org/abs/2210.06273.</p>
Non-destructive imaging of atomically-thin nanostructures buried in silicon
<p>Original data in support of our publication, "Non-destructive imaging of atomically-thin nanostructures buried in silicon".</p>
Indistinguishable photons from an artificial atom in silicon photonics [Data]
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Generation of Entangled Photon Pairs from a Silicon Bichromatic Photonic Crystal Cavity
<p>Integrated quantum photonics leverages the on-chip generation of nonclassical states of light to realize key function-<br>alities of quantum devices. Typically, the generation of such nonclassical states relies on whispering gallery mode<br>resonators, such as integrated optical micro-rings, which enhance the efficiency of the underlying spontaneous non-<br>linear processes. While this kind of resonators excel in maximizing either the temporal confinement or the spatial<br>overlap between different resonant modes, they are usually associated with large mode volumes, imposing an intrin-<br>sic limitation on the device efficiency and footprint. Here, we engineer a source of time-energy entangled photon<br>pairs based on a silicon photonic crystal cavity, implemented in a fully CMOS-compatible platform. In this device,<br>resonantly enhanced spontaneous four-wave mixing converts pump photon pairs into signal/idler photon pairs at the<br>energy-conserving condition in the telecommunication C-band. The design of the resonator is based on an effective<br>bichromatic confinement potential, allowing to achieve up to 9 close-to-equally spaced modes in frequency, while pre-<br>serving small mode volumes, and the whole chip, including grating couplers and access waveguides, is fabricated in<br>a single run on a silicon-on-insulator platform. Besides demonstrating efficient photon pair generation, we also im-<br>plement a Franson-type interference experiment, demonstrating entanglement between signal and idler photons with<br>a Bell inequality violation exceeding 5 standard deviations. The high generation efficiency combined with the small<br>device footprint in a CMOS-compatible integrated structure opens a pathway towards the implementation of compact<br>quantum light sources in all-silicon photonic platforms.</p>
Supporting data for "Prospects of silicide contacts for silicon quantum electronic devices"
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Silicone oil droplet full of fluoresent particle moving on a conical fiber
<p>Chapter 5 - Droplets on a conical fiber. Video of a silicone oil droplet moving on a conical fiber.</p> <p>The droplet is full of fluorescent particles which facilitates the visualization of internal liquid motion. The red vertical line marks the expected position where the droplet's shape transitions. On the left of this line, the droplet exhibit a barrel shape, while on the right, it has a clamshell shape. </p> <p>Volume of the droplet : 4 µl <br>Half-angle of the cone : 6° <br>Silicone oil viscosity : 50 cSt</p>
Silicone oil droplet spreading inside hypocycle and epicycle grooves
<p>Chapter 2 : Droplet spreading inside curved grooves. Figure 2.3 (c) <br>Two videos of a red-dyed silicone oil droplet spreading within (top) a hypocycle groove and (bottom) a epicycle groove. The radius of the groove is the same, R = 1.37 mm, and the volume of the droplet is the same, 5 µl. The numerically found contour is in black, it allows to measure to position at both side of the droplet, and therefore the speading over time. <br>Real time video.</p>
Silicone oil droplet moving on conical fiber : comparison half-angle and volume
<p>Chapter 5 : Droplets on a conical fiber. Figure 5.1</p> <p>Three videos of a single silicone oil moving on a conical fiber. The droplet moves spontaneously towards the base of the cone. From top to bottom the movies are with different experimental parameters : (top) cone half-angle 4° volume 4 µl; (middle) cone half-angle 4°, volume 2 µl; (bottom) cone half-angle 6°, volume 2 µl.</p> <p>Real time video.</p>
Advanced Materials - Epitaxial Growth of Large-Scale 2D CrTe2 Films on Amorphous Silicon Wafers With Low Thermal Budget
<p>2D van der Waals (vdW) magnets open landmark horizons in the development of innovative spintronic device architectures. However, their fabrication with large scale poses challenges due to high synthesis temperatures (>500 °C) and difficulties in integrating them with standard complementary metal-oxide semiconductor (CMOS) technology on amorphous substrates such as silicon oxide (SiO<sub>2</sub>) and silicon nitride (SiN<em><sub>x</sub></em>). Here, a seeded growth technique for crystallizing CrTe<sub>2</sub> films on amorphous SiN<em><sub>x</sub></em>/Si and SiO<sub>2</sub>/Si substrates with a low thermal budget is presented. This fabrication process optimizes large-scale, granular atomic layers on amorphous substrates, yielding a substantial coercivity of 11.5 kilo-oersted, attributed to weak intergranular exchange coupling. Field-driven Néel-type stripe domain dynamics explain the amplified coercivity. Moreover, the granular CrTe<sub>2</sub> devices on Si wafers display significantly enhanced magnetoresistance, more than doubling that of single-crystalline counterparts. Current-assisted magnetization switching, enabled by a substantial spin–orbit torque with a large spin Hall angle (85) and spin Hall conductivity (1.02 ×  10<sup>7</sup> ℏ/2e  Ω⁻¹  m⁻¹), is also demonstrated. These observations underscore the proficiency in manipulating crystallinity within integrated 2D magnetic films on Si wafers, paving the way for large-scale batch manufacturing of practical magnetoelectronic and spintronic devices, heralding a new era of technological innovation.</p>
Supporting data for "A programmable two-qubit quantum processor in silicon"
<p>Raw data, analysis scripts, and simulation files used to produce the figures for "A programmable two-qubit quantum processor in silicon", ArXiv:708.04214 (preprint) and <a href="http://dx.doi.org/">http://dx.doi.org/</a>10.1038/nature25766 (publication).</p> <p>This dataset consists of four zipped folders that contain the following: (1) analysis_rawdata_final.zip - raw data and Matlab files used to plot and analyse the data. (2) DM_solver-master.zip - Software used to calculate the time evolution of a density matrix given a time dependent Hamiltonian. A manual is included. (3) Simulations_double_dot-paper.zip - simulation scripts and results for the time evolution of the two qubit system during the quantum algorithms. (4) The raw single-shot data for the state tomography experiments. </p> <p> </p>
Short lifetime components in the relaxation of boron acceptors in silicon
<p>The data is that described in 'Short lifetime components in the relaxation of boron acceptors in silicon’, K. Saeedi et al, Physical Review B (2018).</p> <p>The data consists of the probe transmission as a function of time delay in each case. The different experiments are labelled according to the figure in which they occur in the main paper. The data are raw and have not been smoothed or otherwise processed.</p> <p>The data is in an Origin file format. Please contact the author for data in other formats.</p>
Research data supporting "Porous silicon nanoneedles modulate endocytosis to deliver biological payloads"
<p>Research data supporting of Gopal S. et al., 2019, Advanced Materials, DOI: 10.1002/adma.201806788</p>
Video of silicone oil droplet on a cylindrical fiber : merging
<p>Chapter 3 : Multiple droplets on a cylindrical fiber. Figure 3.1.</p> <p> </p> <p>Experimental video of a red-dyed silicone oil droplet descending along a cylindrical fiber. At a given time and a given position, the two generations will meet. The mother droplet is under and the daughter droplet is above.</p> <p>Volume of the initial droplet : 5 µl<br>Fiber diameter : 0.3 mm</p> <p>Video accelerated 2x.</p>
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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.