Showing 341 - 360 results of 443 for search '"optical properties"', query time: 0.06s Refine Results
  1. 341

    Use of the Laser Beam Deflection Technique for Thermo-Optic Coefficients Study in Gadolinium-Yttrium Oxyorthosilicate Doped with Erbium Ions by K. V. Yumashev, V. I. Goman, L. K. Pavlovski, A. V. Hertsova, A. M. Malyarevich

    Published 2023-12-01
    “…Raw materials such as Er2O3, Gd2O3, Y2O3, and SiO2 were weighed according to the formula (Er0.001Gd0.8995Y0.0995)2SiO5. Optical properties of the biaxial Er:GYSO crystal are described within the frame of the optical indicatrix with orthogonal principal axes Np , Nm , and Ng . …”
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  2. 342

    Catalytic Activity of a Composition Based on Strontium Bismuthate and Bismuth Carbonate at the Exposure to the Light of the Visible Range by K. S. Makarevich, A. V. Zaitsev, O. I. Kaminsky, E. A. Kirichenko, I. A. Astapov

    Published 2018-01-01
    “…The possibility of controlling the optical properties and photocatalytic activity of the composition is depicted due to the joint formation of the strontium bismuthate phase and the bismuth carbonate phase.…”
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  3. 343

    Non-Invasive Point-of-Care Detection of Methamphetamine and Cocaine via Aptamer-Based Lateral Flow Test by Bilge Erkocyigit, Ezgi Man, Ece Efecan, Ozge Ozufuklar, Deniz Devecioglu, Basak Bagci, Ebru Aldemir, Hakan Coskunol, Serap Evran, Emine Guler Celik

    Published 2025-01-01
    “…In the design strategy of an LFA test, the use of gold nanoparticles (AuNPs) with strong optical properties has been combined with the advantages of selecting aptamers under in vitro conditions, making it a highly specific and stable recognition probe for the detection of small molecules in saliva. …”
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  4. 344

    Nitrogen-carbon nanotubes as a basis for a new type of semiconductor materials for electronics devices by Irina V. Zaporotskova, Sergey V. Boroznin, Natalia P. Boroznina, Evgeniy S. Dryuchkov, Kseniya Yu. Verevkina, Yulia V Butenko, Pavel A. Zaporotskov, Lev V. Kozhitov, Alena V. Popkova, Aleksandr D. Grigoriev

    Published 2024-12-01
    “…A relationship has been drawn between the band gap, conductivity and optical properties of the materials. Data on the band gap and conductivity as functions of substituting nitrogen atom concentration and tube diameter have been reported. …”
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  5. 345

    DFT + U study of structural, electronic, optical and magnetic properties of LiFePO4 Cathode materials for Lithium-Ion batteries by A K Wabeto, K N Nigussa, L D Deja

    Published 2025-01-01
    “…The analysis of optical properties shows a significant absorption property in the visible spectrum, reflecting its additional potential for photoactive application. …”
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    Article
  6. 346

    Modeling and Analysis of Optical Time-domain Reflectometry in Strongly-coupled Multi-core Fiber by XING Rui, YANG Zhiqun, YAN Hui, LIU Yaping, WANG Xutao, WANG Yanze, ZHANG Wendou, ZHANG Lin

    Published 2024-12-01
    “…【Objective】In the modern field of communications, optical fibers have become an important transmission medium in optical network systems due to their ultra-high transmission bandwidth and excellent optical properties. Multi-core optical fibers integrate multiple cores within a single fiber cladding to significantly enhance the data transmission capacity of a single fiber. …”
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  7. 347

    Three-periodic 1D photonic crystals based on dielectric oxides SiO2, Al2O3, TiO2, ZrO2: an emerging class of structures with wide possibilities for applied photonics by I.S. Panyaev, D.G. Sannikov, Yu.S. Dadoenkova, N.N. Dadoenkova

    Published 2024-06-01
    “…It is found that the group of medium-contrast structures has a greater flexibility in the formation and rearrangement of the PBG due to a practically equivalent effect of the optical properties of both cells on the transmission spectrum. …”
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  8. 348

    A Novel Sustainable Semiconductor/Metal-organic Framework Coated Electret Filter for Simultaneous Removal of PM2.5 and VOCs by Yu Zhang, Zan Zhu, Wei-Ning Wang, Sheng-Chieh Chen

    Published 2023-03-01
    “…The physical characterizations, including size, morphology, crystal structure, optical properties, and surface area for the semiconductor p-BWO nanosheets, p-BWO@MIL and PE-MOFilter were first examined to find out the optimal p-BWO to MIL ratio and coating wt% of p-BWO@MIL particles on the electret filter. …”
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  9. 349

    Large exciton binding energy in a bulk van der Waals magnet from quasi-1D electronic localization by Shane Smolenski, Ming Wen, Qiuyang Li, Eoghan Downey, Adam Alfrey, Wenhao Liu, Aswin L. N. Kondusamy, Aaron Bostwick, Chris Jozwiak, Eli Rotenberg, Liuyan Zhao, Hui Deng, Bing Lv, Dominika Zgid, Emanuel Gull, Na Hyun Jo

    Published 2025-01-01
    “…Abstract Excitons, bound electron-hole pairs, influence the optical properties in strongly interacting solid-state systems and are typically most stable and pronounced in monolayer materials. …”
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  10. 350

    Programmed polymeric integration of gold nanoparticles into multi-material 3D printed hydrogels by Said El Turk, Dileep Chekkaramkodi, Murad Ali, Abdulrahim A. Sajini, Haider Butt

    Published 2025-02-01
    “…Gold nanoparticles (Au NPs), renowned for their localized surface plasmon resonance (LSPR) based optical properties, are widely used in myriad photonics and healthcare applications. …”
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  11. 351

    Diffuse Reflectance Spectrophotometers Based on C12880MA and C11708MA Mini-Spectrometers Hamamatsu by V. A. Firago, N. V. Levkovich, K. I. Shuliko

    Published 2022-07-01
    “…They arise due to focusing by the concave diffraction grating of a part of the radiation scattered by it into zero order.Approbation of developed portable spectrophotometers based on Hamamatsu mini-spectrometers indicates the possibility of their use in portable spectrophotometric equipment and devices for spectral control of optical properties of scattering materials. The described calibration technique allows you to determine the range of the spectrum, in which the distortions of the recorded spectra are minimal. …”
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  12. 352

    Advances in the Research on Brown Carbon Aerosols: Its Concentrations, Radiative Forcing, and Effects on Climate by Shuai Li, Hua Zhang, Zhili Wang, Yonghang Chen

    Published 2023-05-01
    “…BrC heating decreases precipitation on a global scale, particularly in tropical regions with high convective and precipitation intensity, but different in some regions. (3) Uncertain optical properties of BrC, mixing ratio of radiation-absorbing aerosols in snow, snow grain size and snow coverage lead to higher uncertainties and lower confidence in the simulated distribution and radiative forcing of BrC in snow than BC. …”
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  13. 353

    Photoluminescence and Photocurrent from InGaN/GaN Diodes with Quantum Wells of Different Widths and Polarities by Artem Bercha, Mikołaj Chlipała, Mateusz Hajdel, Grzegorz Muzioł, Marcin Siekacz, Henryk Turski, Witold Trzeciakowski

    Published 2025-01-01
    “…We compare the optical properties of four <i>pin</i> diode samples differing by built-in field direction and width of the In<sub>0.17</sub>Ga<sub>0.83</sub>N quantum well in the active layer: two diodes with standard <i>nip</i> layer sequences and 2.6 and 15 nm well widths and two diodes with inverted <i>pin</i> layer ordering (due to the tunnel junction grown before the <i>pin</i> structure) also with 2.6 and 15 nm widths. …”
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  14. 354

    Defect state enhanced nonlinear absorption and optical limiting behaviour of erbium doped silver molybdate nanostructures by B. Binish, K. Mani Rahulan, T. C. Sabari Girisun, Nisha S. Panicker

    Published 2025-01-01
    “…The proper incorporation of Er ions into the Ag2MoO4 lattice without altering the crystal structure was confirmed by XRD Analysis. The optical properties studied using UV–Vis absorption Spectroscopy exhibited maximum absorption in UV region and the absorption in the visible region is found to increase with the addition of Er ions into the host lattice. …”
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  15. 355

    Opposite Effects of Mineral Dust Nonsphericity and Size on Dust‐Induced Snow Albedo Reduction by Tenglong Shi, Cenlin He, Daizhou Zhang, Xuelei Zhang, Xiaoying Niu, Yuxuan Xing, Yang Chen, Jiecan Cui, Wei Pu, Xin Wang

    Published 2022-06-01
    “…Abstract We quantified the combined effects of mineral dust nonsphericity and size on snow albedo reduction using the MOPSMAP (Modeled optical properties of ensembles of aerosol particles) package and SAMDS (Spectral Albedo Model for Dirty Snow) with the consideration of dust from Sahara, Greenland, San Juan Mountains, and Tibetan Plateau. …”
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  16. 356

    Advances in Deep Brain Imaging with Quantum Dots: Structural, Functional, and Disease-Specific Roles by Tenesha Connor, Hemal Weerasinghe, Justin Lathia, Clemens Burda, Murat Yildirim

    Published 2024-12-01
    “…QDs, nanoscale semiconductor particles with unique optical properties, offer substantial advantages over traditional fluorophores, including high quantum yields, large absorption cross-sections, superior photostability, and tunable emission spectra. …”
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  17. 357

    Oxygen-modulated photoresponse in nickel oxide thin films for wide band gap photodetector application by Swati Suman, Anupama Behra, Parasuraman Swaminathan

    Published 2025-01-01
    “…Different ratios of oxygen to argon (10/45, 15/45, and 20/45) during sputtering are investigated, and the effect of oxygen concentration on the optical properties of the NiO film is studied, which helps in modulating the photoresponse of the developed detector. …”
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    Article
  18. 358

    CdSe Quantum Dots for Solar Cell Devices by A. B. Kashyout, Hesham M. A. Soliman, Marwa Fathy, E. A. Gomaa, Ali A. Zidan

    Published 2012-01-01
    “…The results showed CdSe quantum dots with sizes ranging from 3 nm to 6 nm which enabled the control of the optical properties and consequently the solar cell performance. …”
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  19. 359

    Computational insights into spin-polarized density functional theory applied to actinide-based perovskites XBkO₃ (X = Sr, Ra, Pb) by Youssef Didi, Mounir Belhajji, Soufiane Bahhar, Abdellah Tahiri, Mohamed Naji, Abdelilah Rjeb, Hatim G. Zaini, Aymen Flah, Sherif S. M. Ghoneim, Ahmed B. Abou Sharaf, Mofreh A. Hashim

    Published 2025-01-01
    “…The mechanical stability of the compounds meets Born’s criteria, and RaBkO3 stands out with a stable lattice dynamic, as demonstrated by phonon dispersion curves in the Pm-3 m space group. The optical properties of these materials indicate they are excellent absorbers of incident radiation, suggesting their potential for applications in magnetic sensors due to their anisotropic magnetic behavior, as well as for capturing solar radiation in the ultraviolet range.…”
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  20. 360

    Photocatalytic Activity under Simulated Sunlight of Bi-Modified TiO2 Thin Films Obtained by Sol Gel by D. A. Solís-Casados, L. Escobar-Alarcón, V. Alvarado-Pérez, E. Haro-Poniatowski

    Published 2018-01-01
    “…The obtained materials were characterized by energy-dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy (RS), X-ray diffraction (XRD), photoluminescence (PL), and diffuse reflectance spectroscopy (DRS), in order to obtain information on their chemical composition, vibrational features, and optical properties, respectively. Compositional characterization reveals that the bismuth content can be varied in an easy way from 0.5 to 25.4 at. %. …”
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