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5 results for “pyroelectric”
Dataset: Pyroelectric Influence on Lithium Niobate During the Thermal Transition for Cryogenic Integrated Photonics
<p>Dataset of the publication "Pyroelectric Influence on Lithium Niobate During the Thermal Transition for Cryogenic Integrated Photonics", F. Thiele, et al., in the journal Materials for Quantum Technology (2023).</p> <p>Abstract:</p> <blockquote> <p>Lithium niobate has emerged as a promising platform for integrated quantum optics, enabling efficient generation, manipulation, and detection of quantum states of light. However, integrating single-photon detectors requires cryogenic operating temperatures, since the best performing detectors are based on narrow superconducting wires. While previous studies have demonstrated the operation of quantum light sources and electro-optic modulators in LiNbO<sub>3</sub> at cryogenic temperatures, the thermal transition between room temperature and cryogenic conditions introduces additional effects that can significantly influence device performance. In this paper, we investigate the generation of pyroelectric charges and their impact on the optical properties of lithium niobate waveguides when changing from room temperature to 25 K, and vice versa. We measure the generated pyroelectric charge flow and correlate this with fast changes in the birefringence acquired through the Sénarmont-method. Both electrical and optical influence of the pyroelectric effect occur predominantly at temperatures above 100 K.</p> </blockquote>
Data from: Pyroelectricity and field induced spin-flop in (4-(Aminomethyl)pyridinium)2MnCl4•2H2O
Large single crystals of (4-(Aminomethyl)pyridinium)2MnCl4•2H2O (1) were grown by slow evaporation of solution. The crystal structure was solved to be Pī, which belong to the central symmetric space group. But small pyroelectric current was detected, as well as a ferroelectric hysteresis loop. The pyroelectric and the ferroelectric property was attributed to the strain caused by defects. Temperature dependent magnetic curves and the M-H curve shows that 1 is antiferromagnetic ordering below 2.5 K. A field induced spin-flop is observed in the antiferromagnetic ordering state.
Data from: Pyroelectricity and field induced spin-flop in (4-(Aminomethyl)pyridinium)2MnCl4•2H2O
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Mechanism of isosymmetric polar order-disorder phase transition in pyroelectric [CH3CH2NH3]2NaGa(HCOO)6 double perovskite - dataset
<p>Project NCN SONATA 16 2020/39/D/ST5/01289</p>
Dataset for Latella, I., Ben-Abdallah, P. Graphene-based autonomous pyroelectric system for near-field energy conversion. Sci Rep 11, 19489 (2021)
<p>This dataset contains data associated to plots published in the paper I. Latella and P. Ben-Abdallah, Graphene-based autonomous pyroelectric system for near-field energy conversion, Sci Rep 11, 19489 (2021), https://doi.org/10.1038/s41598-021-98656-8.</p> <p> </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.