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141 results for “thin films”
Bioequivalence Study of Montelukast Sodium Oral Thin Film and Chewable Tablet in Fasted Healthy Volunteers
ClinicalTrials.gov study NCT05528198. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A statistical method to optimize the chemical etching process of Zinc Oxide thin films
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Data from: Influence of the slight adjustment of oxides on the structural and physico-chemical properties of thin film transistor-liquid crystal display substrate glass
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Characterization of Ta/TaN multi-graded thin film coating synthesized by HiPIMS technique
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Synthesis of Bi2S3 thin films based on pulse-plating bismuth nanocrystallines and its photoelectrochemical properties
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Single-layer graphene on epitaxial FeRh thin films_experimental dataset
<p>This file contains the raw unprocessed experimental data for the results published in Uhlíř et al., Single-layer graphene on epitaxial FeRh thin films, Applied Surface Science, Volume 514, June 2020, 145923. </p>
Data from: The thermoelectric properties of Au nanoparticle-incorporated Al-doped mesoporous ZnO thin films
Mesoporous Al-doped ZnO thin films incorporated with gold nanoparticles (Au NPs) were synthesized using a sol-gel and evaporation-induced self-assembly process. In this work, the complementary effects of Au NP incorporation and Al doping on the mesoporous ZnO thin films' thermoelectric properties were analyzed. The incorporated Au NPs induced an increase in electrical conductivity but a detriment in the pore arrangement of the mesoporous ZnO thin film, which was accompanied by a decrease in porosity. However, the addition of the Al dopant minimized the pore structural collapse because of the inhibition of the grain growth in the ZnO skeletal structure, resulting in an enhancement of the pore arrangement and porosity. When the Au NPs and Al dopant were added at the same time, the degradation in the pore structure was minimized and the electrical conductivity was effectively increased but the absolute value of the Seebeck coefficient was decreased. However, as a result, the thermoelectric power factor was increased by 2.4 times compared to the pristine mesoporous ZnO thin film. It was found that co-introducing the Au NPs and Al doping to the mesoporous ZnO structure was effective in preserving the pore structure and increasing the electric conductivity, thereby enhancing the thermoelectric property of the mesoporous ZnO thin film.
Data from: Photocatalytic activity of graphene oxide–TiO2 thin films sensitized by natural dyes extracted from Bactris guineensis
This study synthesized and characterized composites of graphene oxide and TiO2 (GO-TiO2). GO-TiO2 thin films were deposited using the Doctor Blade technique. Subsequently, the thin films were sensitized with a natural dye extracted from a Colombian source (Bactris guineensis). Thermogravimetric analysis, X-ray diffraction, Raman spectroscopy, scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and diffuse reflectance measurements were used for physicochemical characterization. All the samples were polycrystalline in nature, and the diffraction signals corresponded to the TiO2 anatase crystalline phase. Raman spectroscopy and FT-IR verified the synthesis of composite thin films, and the SEM analysis confirmed the TiO2 films morphological modification after the process of GO incorporation and sensitization. XPS results suggested a possibility of appearance of Titanium (III) through the formation of oxygen vacancies (Ov). Furthermore, the optical results indicated that the presence of the natural sensitizer and GO improved the optical properties of TiO2 in the visible range. Finally, the photocatalytic degradation of Methylene Blue (MB) was studied under visible irradiation in aqueous solution, and pseudo-first order model was used to obtain kinetic information about photocatalytic degradation. These results indicated that the presence of GO has an important synergistic effect in conjunction with the natural sensitizer, reaching a photocatalytic yield of 33%.
Data from: Topological, chemical, and electro-optical characteristics of riboflavin-doped artificial and natural DNA thin films
DNA is considered as a useful building bio-material, and it serves as an efficient template to align functionalized nanomaterials. Riboflavin (RF)-doped synthetic double-crossover DNA (DX-DNA) lattices and natural salmon DNA (SDNA) thin films are constructed using substrate assisted growth and drop-casting methods, respectively, and their topological, chemical, and electro-optical characteristics were evaluated. The critical doping concentration of RF ([RF]C, ~5 mM) at given concentrations of DX-DNA and SDNA were obtained by observing the phase transition (from crystalline to amorphous structures) of DX-DNA and precipitation of SDNA in solution above [RF]C. [RF]C are verified by analyzing the atomic force microscopy images for DX-DNA and current, absorbance, and photoluminescence for SDNA. We study the physical characteristics of RF-embedded SDNA thin films, which are the Fourier transform infrared (FTIR) spectrum to understand the interaction between the RF and DNA molecules, current to evaluate the conductance, absorption to understand the RF binding to the DNA, and photoluminescence (PL) to analyze the energy transfer between the RF and DNA. The current and UV absorbance band of SDNA thin films decrease up to [RF]C followed by an increase above [RF]C. In contrast, the PL intensity illustrates the reverse trend, as compared to the current and UV absorbance behavior as a function of the varying [RF]. Due to the intense PL characteristic of RF, the DNA lattices and thin films with RF might offer immense potential to develop efficient bio-sensors and useful bio-photonic devices.
Tracking Decomposition Layer Formation in Thin-Film Si Electrodes via Thermogalvanic Profiles
<p>This dataset contains the raw data for the publication "Tracking Decomposition Layer Formation in Thin-Film Si Electrodes via Thermogalvanic Profiles" by Hubrechtsen et al, published in Small Methods. The upload includes all data for the original figures presented in the main paper and the supporting information, organized in labelled folders containing raw data and the corresponding figure. </p>
Bandgap Pressure Coefficient of a CH3NH3PbI3 Thin Film Perovskite
<p>This work shows experimental and theoretical studies of the pressure-induced evolution of the electronic structure of the orthogonal phase (OP) of MAPbI3. We have shown that the bandgap of the MAPbI3 in OP can be tuned in a broader range of pressure (≲3.5 GPa) when compared to the tetragonal phase (TP), in which a red-shift of PL peak is observed only up to ∼0.3 GPa. Such behavior results from the better stability of the crystal lattice against octahedral distortions in the low-temperature regime due to the reduced phonon contribution and different Pb−I bond geometry. We found the pressure coefficient of the OP to be negative and dependent on the temperature. A negative deformation potential results from the antibonding character of the bottom of the conduction band and the top of the valence band, while dependence on the temperature can be explained by changes in the unit cell volume and geometry as the atomic configuration approaches the temperature-induced phase transition as well as phonon contribution. On the whole, our results advance the understanding of the behavior of the low-temperature MAPbI3 phase under extreme conditions and show that hydrostatic pressure allows fine-tuning of structural and optical properties, resulting in the possibility of realizing materials with the desired properties for technological applications.</p>
Chalcohalide Antiperovskite Thin Films with Visible Light Absorption and High Charge-Carrier Mobility Processed by Solvent-Free and Low-Temperature Methods
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Nanoscale structural and mechanical characterization of thin bicontinuous cubic phase lipid films
<p>In the manuscript, Atomic Force Microscopy (AFM) and AFM-Force Spectroscopy (AFM-FS) are employed for obtaining the first nanomechanical characterization of bicontinuous cubic phase lipid film, presenting a thickness of 150 nm. </p>
Development of a Method for Thermogalvanic Characterization of Li-Ion Electrodes: A Case Study in Thin-Film Anatase TiO2
<p>This dataset contains the raw data for the publication "Development of a Method for Thermogalvanic Characterization of Li-Ion Electrodes: A Case Study in Thin-Film Anatase TiO2" by Hubrechtsen et al, published in Chemistry of Materials. The upload includes all data for the original figures presented in the main paper and the supporting information, organized in labelled folders containing raw data and the corresponding figure. </p>
Dataset for "Spatially resolved photoluminescence analysis of the role of Se in CdSexTe1−x thin films"
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Titanium dioxide (TiO2) thin films study, deposited by laser ablation on glass substrates in the form of prismatic figures type pyramidal
<p>Thin films are something that is very close to the atomic dimensions in thickness, therefore if it is possible to further reduce the width of these, in a controlled way and monitor the behavior of some physical law associated with the variation in thickness, the results can be as expected or maybe adjustments must be applied. For this reason in this work, thin films of titanium dioxide (TiO2) are studied, deposited by laser ablation, on glass substrates in the form of prismatic figures. The main objective was to confine the plasma plume to produce a continuous trail with varying thicknesses that could be analyzed. Growth times of the films were 5, 10, 15, 20 and 30 minutes at room temperature in a low vacuum. The deposited films presented a color pattern related to the expected thickness variation, thus the theory of optical interference was applied to the continuous trace to calculate thicknesses. Characterization process was carried out by: X-ray diffraction to know the crystalline structure of the films, ultraviolet-visible spectroscopy to verify the variation of thicknesses, X-ray photoelectron spectroscopy to know the composition and scanning electron microscopy, to measure the thicknesses of the films transversely.</p>
Plot Data: Analysis of thin liquid films driven by SAW
<p>Data of the relevant plots of the thesis</p>
Raw data of "Heterogeneous integration of superconducting thin films and epitaxial semiconductor heterostructures with Lithium Niobate"
<p>Raw data used to produce figures</p>
The impact of Mn nonstoichiometry on the oxygen mass transport properties of La0.8Sr0.2MnyO3±δ thin films
<p>Dataset for the article: Francesco M Chiabrera <em>et al</em> 2022 <em>J. Phys. Energy</em> <strong>4</strong> 044011 (DOI 10.1088/2515-7655/ac98df)</p> <p>The dataset contains:</p> <ul> <li>"AFM.rar" : AFM of LSMy thin films with composition y=0.85 and y=1.00.</li> <li>"cell expansion_experimental and antisite model_Mn compositions.txt": measured lattice expansion and calculated by antisites model</li> <li>"Defect chemistry models.xlsx". Excel worksheet containing the automatic calculation of the three defect chemistry models studied (dilute, Mn vacancies and La antisites)</li> <li>"EDX_Mn compositions.txt" Mn/(La+Sr) ratios (y) measured by EDX</li> <li>"fraction of 18O_exp and fittings.rar" 18O depth profiles measured by SIMS after the exchange at 650 ºC for 3540 s (for y=0.85 and y=1.00) and 4000 s (for y=0.88, y=0.94 and y=0.99) and depth profile fitting.</li> <li>"lattice parameter_Mn composition.txt": evolution of lattice parameter measured by XRD vs Mn content.</li> <li>"oxygen mass transport parameters.rar": diffusivity and oxygen exchange parameter extracted by SIMS for the samples with different Mn content.</li> <li>"PALS intensities_Mn composition.txt": Relative intensities of Mn and La vacancies measured by PALS for different Mn content.</li> <li>"positron lifetimes.rar" : Positron lifetimes of main defects (La and Mn vacancies) as a function of photon energy for different Mn content.</li> <li>"RSM103.rar" Reciprocal SPace maps around 103 reflections of the thin films for different Mn content.</li> <li>"TEM Figures_y0.85.pdf" Collection of TEM cross sectional figures of the sample with y=0.85.</li> <li>"XRD.rar" theta-2theta scans of the LSMy thin films for different Mn content around the 002 reflection.</li> </ul>
Safe extended-range cycling of Li4Ti5O12-based anodes for ultra-high capacity thin-film batteries
<p>Dataser for article "Safe extended-range cycling of Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub>-based anodes for ultra-high capacity thin-film batteries" in Mater. Today Energy 2022.</p> <p>The data includes:</p> <p>-XRD and Raman patterns of the films (Fig. 2)</p> <p>-Cyclic voltammograms and charge-dischage profiles of the different films (Fig. 4)</p> <p>-Capacity vs. C-rate for the different flms (Fig. 5)</p> <p>-Capacity vs. cycle number at different electrochemical window (Fig. 6)</p> <p>- Operando Spectroscopic Ellipsometry - Including operando charge-discharge profile vs time in the extended voltage window, the imaginary part of the permittivity as a function of energy, and extracted ellipsometry data, the amplitude of the second oscilator and the imaginary part of the permittivity at 1.5eV as a function of time (Fig. 7)</p> <p>-Ex- situ Raman spectroscopy (Fig. 8)</p>
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Allen Brain Atlas
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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.
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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.
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