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9 results for “colloidal crystal”
Entropy-Driven Crystallization of Hard Colloidal Mixtures of Polymers and Monomers
<p>Data archive corresponding to the publication "Entropy-Driven Crystallization of Hard Colloidal Mixtures of Polymers and Monomers " by O. Bouzid <em>et al</em>., Polymers <strong>16</strong>, 2311 (2024). </p> <p>Preprint available at: 10.20944/preprints202407.0786.v1</p> <p>Please see README.txt for instructions on how to access and read the files from the crystallographic analysis based on the CCE norm descriptor.</p> <p>All system configurations have been generated and successively analyzed by the Simu-D software.</p> <p> </p> <p>This research was funded by MICINN/FEDER (Ministerio de Ciencia, Innovación y Universidades, Fondo Europeo de Desarrollo Regional), grant number “PID2021-127533NB-I00”, by the scholarship program from the Algerian Ministry of Higher Education and Scientific Research and by UPM and Santander Bank, “Programa Propio UPM Santander”.</p>
Photonic crystals with rainbow colors by centrifugation-assisted assembly of colloidal lignin nanoparticles
<p>Source data (CSV files) associated with the publication titled <strong>Photonic crystals with rainbow colors by </strong><strong>centrifugation-assisted assembly </strong><strong>of colloidal lignin nanoparticles</strong>.</p>
Fine-Tuning of Colloidal Polymer Crystals by Molecular Simulation
<p>Data archive corresponding to the manuscript "Fine-Tuning of Colloidal Polymer Crystals by Molecular Simulation" by M. Herranz et al., Phys. Rev. E 107, 064605 (2023); DOI: 10.1103/PhysRevE.107.064605</p> <p>Please see README.txt for instructions on how to access and read the files from the crystallographic analysis based on the CCE norm descriptor.</p> <p>All snapshots have been generated and successively analyzed by the Simu-D software.</p>
Dataset of the manuscript: Predictive design to determine optimal absorber placement in colloidal photonic crystals
<p><span>This data publication is based on the metadata and datasets underlying the manuscript "Predictive design to determine optimal absorber placement in colloidal photonic crystals". The Data is roughly organized by the figure of appearance.</span></p> <p><span>Figure 1 contained no result data</span></p> <p><span>Figure "Figure 2" contains:</span></p> <ul> <li><span>Simulated and experimental reflectance spectra of bare PS colloidal crystal and CIELab color coordinates of simulated bare PS colloidal crystal.</span></li> </ul> <p><span>Figure "Figure 3+4" contains:</span></p> <ul> <li><span>Data for particle based and layer based designs for chroma optimization according to Eq. 2 </span></li> <ul> <li><span>convergence history J(steps)</span></li> <li><span>Optimized design absorber distributions (average of layers)</span></li> <li><span>CIELab color coordinates</span></li> <li><span>Spectra</span></li> </ul> <li><span>CIELab color coordinates and Chroma of all predictive designs sorted by threshold L value according to Eq. 3 + comparative designs: bottom absorber, top absorber, homogeneous.</span></li> </ul> <p><span>Figure "Figure 5" contains:</span></p> <ul> <li><span>Chemdraw File containing chemical structures</span></li> <li><span>Pendant drop surface tension measurements </span></li> <li><span>Surface pressure increase on Langmuir-Blodgett trough</span></li> </ul> <p><span>Figure "Figure 6" contains:</span></p> <ul> <li><span>SEM images of mono- and multilayers labeled in accordance to design and composition</span></li> </ul> <p><span>Figure "Figure 7+8" contains:</span></p> <ul> <li><span>Photographs of fabricated multilayers</span></li> <ul> <li><span>Homogeneous designs labeled in accordance to composition</span></li> <li><span>Layered designs labeled in accordance to design type (XBA: bottom absorber with X absorbing numbers; XTA: bottom absorber with X absorbing numbers; Ld_XX: predictive design with L threshold of XX)</span></li> </ul> <li><span>Spectra of all samples including their error determined from 2 measurements</span></li> <li><span>Average spectra of all designs (averaged from all samples of that design) including their error estimated using gaussian error propagation</span></li> <li><span>Color data of all samples calculated from spectra </span></li> <ul> <li><span>CIELab coordinates and Chroma</span></li> <li><span>xyz values</span></li> <li><span>RGB values</span></li> </ul> </ul> <p><span>Figure "Figure 9" contains:</span></p> <ul> <li><span>Optimized design absorber distributions, spectra and CIELab color coordinates and chroma for colloidal crystals of varying primary particle size</span></li> </ul>
On the Crystal Structure of Colloidally Prepared Metastable Ag2Se Nanocrystals
<p>Structural polymorphism is known for many bulk materials; however, on the nanoscale metastable polymorphs tend to form more readily than in the bulk, and with more structural variety. One such metastable polymorph observed for colloidal Ag<sub>2</sub>Se nanocrystals has traditionally been referred to as the “tetragonal” phase of Ag<sub>2</sub>Se. While there are reports on the chemistry and properties of this metastable polymorph, its crystal structure, and therefore electronic structure, has yet to be determined. We report that an anti-PbCl<sub>2</sub>-like structure type (space group <em>P</em>2<sub>1</sub>/<em>n</em>) accurately describes the powder X-ray diffraction and X-ray total scattering patterns of colloidal Ag<sub>2</sub>Se nanocrystals prepared by several different methods. Density functional theory (DFT) calculations indicate that the anti-PbCl<sub>2</sub>-like Ag<sub>2</sub>Se polymorph is a dynamically stable, narrow-band gap semiconductor. DFT results reveal a dense theoretical Ag<sub>2</sub>Se phase space with many low-energy polymorphs, which helps explain the large number of polymorphs reported in the literature.</p> <p> </p> <p>Analysis and calculation data are stored in the zip archive. The `ag2se-calcs.aiida.` contains the provenance of the calculations and can be imported into an AiiDA database instance. The <a href="https://zenodo.org/api/files/baed3fb2-a4d3-49f7-a5d1-cb8da7cdbf28/antiPbCl2like_Ag2Se_laboratory.cif?versionId=36c207de-c537-4217-9b96-1ae08c2b487e">antiPbCl2like_Ag2Se_laboratory.cif</a> file is the Reitveld refined Ag2Se structure starting from the PbCl<sub>2</sub> structure.<br> </p> <p>Also hosted on <a href="https://github.com/SMTG-UCL/ag2se-anti-pbcl2-paper">GitHub</a> with minor revisions.</p> <p>Published paper: <a href="https://doi.org/10.1021/acs.nanolett.1c02045">https://doi.org/10.1021/acs.nanolett.1c02045</a></p>
Data for "An amorphous phase precedes crystallization: unraveling the colloidal synthesis of zirconium oxide nanocrystals."
<p>Data underlying the figures in the publication "An amorphous phase precedes crystallization: unraveling the colloidal synthesis of zirconium oxide nanocrystals" published in ACS Nano: <a href="https://doi.org/10.1021/acsnano.3c02149">https://doi.org/10.1021/acsnano.3c02149</a></p> <p>The <em>.pxp</em> documents contain the experimental data of the figures in the manuscript and they can be opened/edited with the software IGOR Pro 8.0 or higher. For Figure 2a-d there are .txt files available.</p>
An active colloidal system showing parallels to a time crystal
<p>Supplementary data for the following manuscript: Marina Evers, Raphael Wittkowski, "An active colloidal system showing parallels to a time crystal", Physica Scripta.</p>
Virus-based Colloidal Crystals for Advanced Material Platforms
Open the record for dataset details and reuse information.
Effects of Crystal Solution and Colloid Solution on Mother and Fetus
ClinicalTrials.gov study NCT04432675. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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