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67 results for “excitons”
Data for "Direct Observation of Ultrafast Exciton Localization in an Organic Semiconductor with Soft X-ray Transient Absorption Spectroscopy"
<p>Underlying data for figures 1-3 and supplementary figures S1-S7 for the paper entitled 'Direct Observation of Ultrafast Exciton Localization in an Organic Semiconductor with Soft X-ray Transient Absorption Spectroscopy'.</p>
PRB Exciton-activated effective phonon magnetic moment in monolayer MoS2
<p>Optical excitation of chiral phonons plays a vital role in studying the phonon-driven magnetic phenomena in solids. Transition metal dichalcogenides host chiral phonons at high symmetry points of the Brillouin zone, providing an ideal platform to explore the interplay between chiral phonons and valley degree of freedom. Here, we investigate the helicity-resolved magneto-Raman response of monolayer MoS2 and identify a doubly degenerate Brillouin-zone-center chiral phonon mode at ∼270cm−1. Our wavelength- and temperature-dependent measurements show that this chiral phonon is activated through the resonant excitation of 𝐴 exciton. Under an out-of-plane magnetic field, the chiral phonon exhibits giant Zeeman splitting, which corresponds to an effective magnetic moment of ∼2.5𝜇𝐵. Moreover, we carry out theoretical calculations based on the morphic effects in nonmagnetic crystals, which reproduce the linear Zeeman splitting and Raman cross section of the chiral phonon. Our study provides important insights into lifting the chiral phonon degeneracy in an achiral covalent material, paving a route to excite and control chiral phonons.</p>
Bottom-up Fabrication of 2D Rydberg Exciton Arrays in Cuprous Oxide
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Hot Exciton versus Hot Exciplex TADF Mechanism – Effect of the Donor-Acceptor Functionalization Pattern on Anthracene-based Emitters
<p>output files of ADC(2) calculation of biAniIPN, biAniSul, biBeFuIPN, uniAniIPN, uniAniSul, uniBeFuIPN in vacuum, acetonitrile, and toluene.</p>
Research data for: "Implicit and explicit host effects on excitons in pentacene derivatives"
<p>This file was created by Robert J. Charlton on 26th November 2017. It contains all input files necessary to reproduce the results presented in the publication "Implicit and explicit host effects on excitons in pentacene derivatives". The data in this file is organised as follows.</p> <p> The folder ONETEP contains input files to perform geometry optimisations, natural bond orbital (NBO) analysis, excited state energy calculations with TDDFT & \Delta SCF and decomposition of Kohn-Sham molecular orbitals in terms of the underlying NGWF basis. Also included are compilations of data used for plotting Figures in the main publication and the Supporting Information (SI). Further details can be found in the relevant subfolders.</p> <p>The folder Gaussian contains input and output files for excited state calculations with various exchange-correlation (XC) functionals and solvent environments performed with Gaussian 09. The main XC functionals used are the semi-local PBE and two optimally tuned (OT) range-separated hybrid functionals, OT-LCwPBE and OT-CB3LYP. The file all_rsep_params.txt contains the parameters used for tuning the range-separated functionals; see the SI for more details.</p> <p>Update: Gaussian folder also contains Density of States (DOS) data.</p>
Data and code for article "Excitonic Emission of Monolayer Semiconductors Near-Field Coupled to High-Q Microresonators"
<p>Data, code and sample fabrication details for article "Excitonic Emission of Monolayer Semiconductors Near-Field Coupled to High-Q Microresonators".</p> <p>The code was tested with Matlab R2015b.</p>
Data for "Ultrafast Excitonic Transitions in Enantiopure and Racemic Squaraine Thin Films"
<p>Here we present the raw data and data processing files for the paper entitled "Ultrafast Excitonic Transitions in Enantiopure and Racemic Squaraine Thin Films", which is published in Aggregate.</p>
Theoretical analysis and simulations of two-dimensional Fourier transform spectroscopy performed on exciton-polaritons of a quantum-well microcavity system
<p>Dataset of the publication “Theoretical analysis and simulations of two-dimensional Fourier transform spectroscopy performed on exciton-polaritons of a quantum-well microcavity system“, H. Rose, J. Paul, J. K. Wahlstrand, A. Bristow, and T. Meier, Proceedings of the SPIE 11684, 1168414 (2021) ( <a href="https://doi.org/10.1117/12.2576696">https://doi.org/10.1117/12.2576696</a> ). The zip file includes the data on which the plots shown in figure 2 are based.</p>
Accurate photon echo timing by optical freezing of exciton dephasing and rephasing in quantum dots
<p>Dataset of the publication “Accurate photon echo timing by optical freezing of exciton dephasing and rephasing in quantum dots“, ( <a href="https://doi.org/10.1038/s42005-020-00491-2">https://doi.org/10.1038/s42005-020-00491-2</a> ). The zip file includes the data on which the plots shown in figures 2-5 of the main text, and supplementary figures S1-S5 are based.</p>
Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles
<p>Dataset of the publication “Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles“, <a href="https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11684/2576887/Controlling-the-emission-time-of-photon-echoes-by-optical-freezing/10.1117/12.2576887.short?SSO=1">Proc. SPIE 11684,116840X (2021)</a> ( <a href="https://doi.org/10.1117/12.2576887">https://doi.org/10.1117/12.2576887</a> ). The zip file includes the data on which the figures are based, the gnuplot files for the figures, and an explaining readme.txt.</p>
Hyperspectral imaging of exciton confinement within a moiré unit cell with a subnanometer electron probe
<p>Data and processing notebooks for article titled "Hyperspectral imaging of exciton confinement within a moiré unit cell with a subnanometer electron probe" published in Science in Decembner 2022.</p> <p>The `ADF Image.dm4` is the simultaneously acquired annular dark field (ADF-) scanning transmission electron microscopy (STEM) image. This was used to determine the structural reconstruction of the WSe2 / WS2 heterostructure.</p> <p>The `EELS Spectrum Image.dm4` is a spectrum image (one spectra per probe position). This was used to determine the extent of the localization of the exciton peak I.</p> <p>The two `ipynb` jupyter notebooks were used to do the analysis shown in the paper. The output is embedded in the notebooks. Also, each notebook was run and then exported as a static HTML file to retain the code and output together in a generally readable format.</p> <p>Contact Peter Ercius (percius@lbl.gov) regarding the code or data.</p>
Raw data for 'Signature of spin triplet exciton condensations in LaCoO3 at ultrahigh magnetic fields up to 600 T'
<p>Raw data for the paper below</p> <p>Signature of spin triplet exciton condensations in LaCoO3 at ultrahigh magnetic fields up to 600 T<br> A. Ikeda, Y. H. Matsuda, K. Sato, Y. Ishii, H. Sawabe, D. Nakamura, S. Takeyama, J. Nasu<br> arXiv:2201.02704</p> <p> </p>
Data set for "Electrical control of hybrid exciton transport in a van der Waals heterostructure"
<p>Data set for "Electrical control of hybrid exciton transport in a van der Waals heterostructure"</p>
Localization and interaction of interlayer excitons in MoSe2/WSe2 heterobilayers
<p>Data accompanying arXiv:2307.03842 [cond-mat.mes-hall] (2023):</p><p>1. All the spectrum data is .sif formated file, which can be read by Matlab (sifReader in Matlab script folder).</p><p>2. All the functions needed for plotting and reading data are placed in the Matlab script folder</p><p>3. Plot_sif_spectrum_data.m is used to plot PL spectrum.</p><p>4. loadQutag.m is the function used to import lifetime data acquired from Qutag.</p><p>5. FuncPowerSlope.m is the function used for fitting the power dependent PL data.</p><p>6. FuncSatPower.m is the funciton used for fitting the saturation curve and getting the saturation power, see the inset of Fig2a.</p><p>7. FuncArrhenius.m is the function used for fitting the temperature depedent PL data, see the inset of Fig2d.</p><p>8. Func_2lifetime.m is the function used for fitting the lifetime data with biexponential function, see FigS7</p><p>9. convert_SIF_to_mat.m is used to convert hyperspectral imaging data in .sif to .mat</p><p>10. Plot_PLmap.m is used to plot PL map.</p>
Giant enhancement of exciton diffusion near an electronic Mott insulator
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Lasing of moiré trapped MoSe2/WSe2 interlayer excitons coupled to a nanocavity
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Data for M. Kędziora, et al. "Predesigned perovskite crystal waveguides for room temperature exciton-polariton condensation and edge-lasing". Nature Materials.
<p>The repository contains data to generate figures from "Predesigned perovskite crystal waveguides for room temperature exciton-polariton condensation and edge-lasing", Nature Materials (2024).</p> <p>This work was supported by the National Science Center, Poland, under projects 2022/47/B/ST3/02411 (B.P., M. Kędziora and K.T.), 2021/43/B/ST3/00752 (M.M.) and 2019/35/N/ST3/01379 (A.O.), and financed by the European Union EIC Pathfinder Open project ‘Polariton Neuromorphic Accelerator’ (PolArt, ID: 101130304) (B.P., D.S., J.S. and M.M.). H.S. acknowledges project no. 2022/45/P/ST3/00467 co-funded by the Polish National Science Centre and the European Union Framework Programme for Research and Innovation Horizon 2020 under the Marie Skłodowska-Curie grant agreement no. 945339. A.O. acknowledges support from the Foundation for Polish Science (FNP). This work was supported by the joint bilateral project ‘Novel photonic platform for neuromorphic computing’ Italy MAECI–Poland NAWA PPN/BIT/2021/1/ 00124/U/00001 (K.Ł.-M., B.P., R.M., L.D.M. and D.S.). M.E., A.S. and K.B. acknowledge support from the statutory funds of the Łukasiewicz Research Network–Institute of Microelectronics and Photonics. This work had been completed while K.B. was a Doctoral Candidate in the Interdisciplinary Doctoral School at the Łódź University of Technology, Poland.</p>
Code for "On the interplay of electronic and lattice screening on exciton binding in two-dimensional lead halide perovskites"
<p>The code and Adobe Illustrator file used to generate the figures for "On the interplay of electronic and lattice screening on exciton binding in two-dimensional lead halide perovskites" is provided. The renormalized exciton binding energies are stored in arrays in the Python script, and the P(r)'s are stored in the "bta" and "pea" folders. The source code for the path integral Monte Carlo calculations is provided in Github. </p>
Data related to "Bilayer WSe2 as a natural platform for interlayer exciton condensates in the strong coupling limit"
<p>Data related to "Bilayer WSe2 as a natural platform for interlayer exciton condensates in the strong coupling limit"</p>
Data for: "Exciton transport in molecular organic semiconductors boosted by transient quantum delocalization"
<p>Data: Figure 2 (all panels), Figure 3 (all panels), Figure 4 (all panels), Figure 5 (all panels)</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.