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56 results for “epitaxy”
In Situ Epitaxy of Pure Phase Ultra-Thin InAs-Al Nanowires for Quantum Devices
<p>This repository contains the raw data and processing codes of the paper "<em>In Situ</em> Epitaxy of Pure Phase Ultra-Thin InAs-Al Nanowires for Quantum Devices".</p>
Data for: Magnetic-field-assisted molecular beam epitaxy: Engineering of Fe3O4 ultrathin films on MgO(111)
<p>Molecular beam epitaxy is widely used for engineering low-dimensional materials. Here, we present a novel extension of the capabilities of this method by assisting epitaxial growth with the presence of an external magnetic field (MF). MF-assisted epitaxial growth was implemented under ultra-high vacuum conditions thanks to specialized sample holders for generating in-plane or out-of-plane MF and dedicated manipulator stations with heating and cooling options. The significant impact of MF on the magnetic properties was shown for ultra-thin epitaxial magnetite films grown on MgO(111). Using in situ and ex situ characterization methods, scanning tunneling microscopy, conversion electron Mössbauer spectroscopy, and the magneto-optic Kerr effect, we showed that the in-plane MF applied during the reactive deposition of 10 nm Fe3O4(111)/MgO(111) heterostructures influenced the growth morphology of the magnetite films, which affects both in-plane and out-of-plane characteristics of the magnetization process. The observed changes are explained in terms of modification of the effective magnetic anisotropy.</p>
Data from: Insight into the structural and magnetotransport properties of epitaxial alpha-Fe2O3/Pt(111) heterostructures: The role of the reversed layer sequence
<p>We report on the chemical structure and spin Hall magnetoresistance (SMR) in epitaxial α-Fe<sub>2</sub>O<sub>3</sub>(hematite)(0001)/Pt(111) bilayers with hematite thicknesses of 6 nm and 15 nm grown by molecular beam epitaxy on a MgO(111) substrate. Unlike previous studies that involved Pt overlayers on hematite, the present hematite films were grown on a stable Pt buffer layer and displayed structural changes as a function of thickness. These structural differences (the presence of a ferrimagnetic phase in the thinner film) significantly affected the magnetotransport properties of the bilayers. We observed a sign change of the SMR from positive to negative when the thickness of hematite increased from 6 nm to 15 nm. For α-Fe<sub>2</sub>O<sub>3</sub>(15 nm)/Pt, we demonstrated room-temperature switching of the Néel order with rectangular, nondecaying switching characteristics. Such structures open the way to extending magnetotransport studies to more complex systems with double asymmetric metal/hematite/Pt interfaces.</p>
Control over epitaxy and the role of the InAs/Al interface in hybrid two-dimensional electron gas systems
<p>Raw and processed 'transport' data for paper the paper "Control over epitaxy and the role of the InAs/Al interface in hybrid two-dimensional electron gas systems". A short readme is given, data organized according to figures of the Main Text and Supplemental Material.</p>
Data from: Insight into the structural and magnetotransport properties of epitaxial alpha-Fe2O3/Pt(111) heterostructures: The role of the reversed layer sequence
Open the record for dataset details and reuse information.
Data for: Magnetic-field-assisted molecular beam epitaxy: Engineering of Fe3O4 ultrathin films on MgO(111)
Open the record for dataset details and reuse information.
Enhanced polarization in epitaxially strained monoclinic potassium niobate for lead-free electromechanical applications
<p>Atomic structure files used to study the anisotropic structural index for ferroelectric properties of strained KNbO3 perovskite polymorphs.</p>
Data, Codes for 'Electronic Structure and Epitaxy of CdTe Shells on InSb Nanowires'
<p>Measurement_Raw_data.zip:</p> <p> Full Original Raw Data for all devices.</p> <p>Measurement summary.zip:<br> Measurement and fit method summary (in PPT).</p> <p>Simulation and Fit.zip:<br> Code for capacitance simulation and data fitting.</p> <p>Measurement Log.zip:</p> <p> Word file contain all commends used in measurement and correspond results.<br> </p> <p>Data formats:<br> MTX:<br> A simple 2D/3D matrix format developed for Spyview (https://nsweb.tn.tudelft.nl/~gsteele/spyview/).</p> <p> DAT:<br> Original plain-text tabular data.</p> <p> SET:<br> Instrument settings.</p> <p> PY:<br> Measurement scripts.</p>
Data of "Electronic Structure and Epitaxy of CdTe shells on InSb Nanowires"
<p>This folder contains the figure data of "Data of "Electronic Structure and Epitaxy of CdTe shells on InSb Nanowires""</p>
Selective area epitaxy of PbTe-Pb hybrid nanowires on a lattice-matched substrate
<p>This repository contains the raw data corresponding to the paper "Selective area epitaxy of PbTe-Pb hybrid nanowires on a lattice-matched substrate" (arXiv: 2110.13642)</p>
Gate-controlled supercurrent in epitaxial Al/InAs nanowires
<p>Data for the paper entitled </p> <p>"Gate-Controlled Supercurrent in Epitaxial Al/InAs Nanowires"</p>
Pinhole-seeded lateral epitaxy and exfoliation of GaSb films on graphene-terminated surfaces
<p>Raw dataset corresponding to https://doi.org/10.1038/s41467-022-31610-y</p>
Selective-Area Epitaxy of Bulk-Insulating (BixSb1-x)2Te3 Films and Nanowires by Molecular Beam Epitaxy
<p>This folder contains the data files used in the generation of the main and supplementary figures of our publication in <a href="https://pubs.acs.org/doi/full/10.1021/acsami.4c06146">ACS Applied Materials & Interfaces</a>, <br>titled: "Selective-Area Epitaxy of Bulk-Insulating (BixSb1-x)2Te3 Films and Nanowires by Molecular Beam Epitaxy", <br>written by G. Lippertz, O. Breunig, R. Fister, A. Uday, A. Bliesener, J. Brede, A. Taskin, and Y. Ando.</p> <p>The measurement data for each figure can be found in csv format in the corresponding folder. The labels and units are specified in the file headers. The main and supplementary figures of the manuscript are added as well in pdf format.</p>
Epitaxial Core/Shell Nanocrystals of (Europium-Doped) Zirconia and Hafnia
<p>Data of the figures in the publication <strong>"Epitaxial Core/Shell Nanocrystals of (Europium-Doped) Zirconia and Hafnia" </strong>published in the J. Am. Chem. Soc.: <a href="https://doi.org/10.1021/jacs.4c05037">https://doi.org/10.1021/jacs.4c05037</a><strong><br></strong></p> <p>The <em>.pxp</em> documents contain the experimental data of the figures in the manuscript and SI and they can be opened/edited with the software IGOR Pro 6.3 or higher. </p>
Scanning tunneling microscopy study of epitaxial Fe3GeTe2 monolayers on Bi2Te3
<p>Scanning tunneling microscopy study of epitaxial Fe3GeTe2 monolayers on Bi2Te3. Data associated with the publication which can be found at: https://iopscience.iop.org/article/10.1088/2053-1583/ad1c6d</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>
Pole Figures for Response to Technical Comment on "Spin Coating Epitaxial Films"
<p>Pole figures for spin coated films. In each figure <strong>(A)</strong> is the data as reported in <em>Science</em> <strong>364</strong>, 166-169 (2019), and <strong>(</strong><strong>B)</strong> is the data that is re-scaled with fewer contours so as to minimize that background intensity that is due primarily to the substrate.</p>
Research Data for "Evaluating the electronic structure and stability of epitaxially grown Sr-doped LaFeO3 perovskite alkaline O2 evolution model electrocatalysts"
<p>This is the research data supporting figures and tables for the paper "Evaluating the electronic structure and stability of epitaxially grown Sr-doped LaFeO3 perovskite alkaline O2 evolution model electrocatalysts" appearing in <em>RSC Applied Interfaces </em>under DOI <a title="Link to landing page via DOI" href="https://doi.org/10.1039/D4LF00260A">https://doi.org/10.1039/D4LF00260A</a>.</p>
Research Data for "Electronic structure and stability of the active surface phase of NixCo3-xO4 spinel alkaline O2 evolution electrocatalysts: from an epitaxial model catalyst perspective"
<p>These datasets support main text and supplementary figures and tables of the paper "Electronic structure and stability of the active surface phase of NixCo3-xO4 spinel alkaline O2 evolution electrocatalysts: from an epitaxial model catalyst perspective" appearing in <em>ACS Applied Energy Materials </em>under DOI: <a href="https://doi.org/10.1021/acsaem.4c01688">https://doi.org/10.1021/acsaem.4c01688 </a></p>
Data set for phase-field simulation of epitaxial crystal growth in open fractures with lateral flow
<p>The numerical data in this repository consists of the simulation data of epitaxial crystal growth in open fractures with lateral flow. The simulations were performed using the software package named "Pace3D".</p> <p>The simulation data shows the grain structure, the concentration field and the fluid flow velocity in stream direction (if present) at intermediate stages. It was converted from the Pace3D output data format to VTK data format. The VTK files can be visualized using open source software packages like Paraview. For visualization the data has to be decompressed (e.g. with gzip, 7zip).</p>
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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.