Showing 101 - 120 results of 319 for search '"band gap"', query time: 0.77s Refine Results
  1. 101

    Optical and Structural Properties of Thermally Evaporated Zinc Oxide Thin Films on Polyethylene Terephthalate Substrates by M. G. Faraj, K. Ibrahim

    Published 2011-01-01
    “…The optical properties of ZnO on PET substrates were determined through the optical transmission method using an ultraviolet-visible spectrophotometer. The optical band gap values of ZnO thin films slightly decreased as the film thickness increased.…”
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    Article
  2. 102

    EBG Size Reduction for Low Permittivity Substrates by Gonzalo Expósito-Domínguez, José Manuel Fernández-González, Pablo Padilla, Manuel Sierra-Castañer

    Published 2012-01-01
    “…Double layer and edge-location via techniques are combined for electromagnetic band gap (EBG) size reduction. The study of the required number of elements and their dimensions is carried out in order to suppress the surface wave propagation modes and consequently to reduce the mutual coupling between radiating elements in low-permittivity substrates. …”
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  3. 103

    To Enhance Performance of Light Soaking Process on ZnS/CuIn1-xGaxSe2 Solar Cell by Yu-Jen Hsiao, Chung-Hsin Lu, Te-Hua Fang

    Published 2013-01-01
    “…The crystallinity of the CIGS absorber layer is prepared by coevaporated method and the ZnS buffer layer with a band gap of 3.21 eV. The MoS2 phase was also found in the CuInGaSe2/Mo system form HRTEM. …”
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  4. 104

    Effect of Thickness on Structural and Optical Properties of Tetra-tert- butyl-2, 3-naphthalocyanine Thin Films by I. Dhanya, C S Menon

    Published 2011-01-01
    “…Various optical constants like band gap energy, Eg the width of band tails of localized states into the gap, EU and steepness parameter, β gets calculated and the variation of different optical parameters like refractive index, extinction coefficient, dielectric constants, optical conductivity and surface and volume energy losses with photon energy are estimated.…”
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    Article
  5. 105

    Progress in Tungsten Trioxide-Based Materials for Energy Storage and Smart Window Applications by Khursheed Ahmad, Tae Hwan Oh

    Published 2024-12-01
    “…WO<sub>3</sub> is a highly electrochromic (EC) material with a wide band gap that has been extensively used for the construction of working electrodes for supercapacitor (SC) and ECD applications. …”
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  6. 106

    Prediction of a New Phase of CuxS near Stoichiometric Composition by Prashant Khatri, Muhammad N. Huda

    Published 2015-01-01
    “…Cu2S is known to be a promising solar absorber material due to its suitable band gap and the abundance of its constituent elements. …”
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    Article
  7. 107

    Enhancement in Optical Properties of Lanthanum-Doped Manganese Barium Hexaferrites under Different Substitutions by Meshal Alzaid

    Published 2021-01-01
    “…The intensity peak is increased with increasing the concentration of lanthanum, which shows the enhancement in the degree of crystallinity and increase in the size of crystallite. The band gap energy decreased gradually with the increase of concentration of lanthanum. …”
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  8. 108

    Effect of defects such as vacancy with oxygen and adsorbed oxygen on electronic structure of graphene plane by V. A. Sachkov

    Published 2020-09-01
    “…The analysis of the dependence of the main parameters of the zone electronic structure: the width of the band gap, and the mobility of free charge carriers depending on the concentration and type of defect. …”
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    Article
  9. 109

    One Dimensional Polymeric Organic Photonic Crystals for DFB Lasers by F. Scotognella, A. Monguzzi, M. Cucini, F. Meinardi, D. Comoretto, R. Tubino

    Published 2008-01-01
    “…Due to the high photonic density of states at the edges of the photonic band-gap (PBG), a surface emitting distributed feedback (DFB) laser is obtained with this structure. …”
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  10. 110

    Synthesis of Artificial Magnetic Conductors Using Structure-Based Evolutionary Design by Luisa Deias, Giuseppe Mazzarella, Giorgio Montisci, Giovanni Andrea Casula

    Published 2013-01-01
    “…An evolutionary programming approach, the so-called structure based evolutionary design, is applied to the synthesis of planar periodic electronic band gap in order to obtain an artificial magnetic conductor surface. …”
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  11. 111

    Exploring the electronic and magnetic properties of half-heusler alloy CoMnSb: implications for spintronics by Binay Limbu, Prem Sagar Dahal

    Published 2025-01-01
    “…The hybridization of the eg and t2g orbitals of the Co, Mn, and P-orbitals of the Sb are primarily responsible for the band gap. This indicates that these alloys hold great potential as functional materials for spintronics. …”
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    Article
  12. 112

    Enhanced Photocatalytic Activity of ZrO2-SiO2 Nanoparticles by Platinum Doping by Mohammad W. Kadi, R. M. Mohamed

    Published 2013-01-01
    “…UV-reflectance spectrometry showed that the band gap of ZrO2-SiO2 decreased from 3.04 eV to 2.48 eV with 0.4 wt% Pt doping. …”
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  13. 113

    Band Structure Analysis of La0.7Sr0.3MnO3 Perovskite Manganite Using a Synchrotron by Hong-Sub Lee, Hyung-Ho Park

    Published 2015-01-01
    “…The band structure is formed by a valence band, conduction band, band gap, work function, and electron affinity. These can be determined from secondary electron cut-off, valence band spectrum, O 1s core electron, and O K-edge measurements using synchrotron radiation. …”
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  14. 114

    Wave Propagation in L-Shape Beams with Piezoelectric Shunting Arrays by Shengbing Chen, Yubao Song, Hao Zhang

    Published 2019-01-01
    “…As the resistance increases, the width of the band gaps grows, whereas the attainable maximum attenuation within the band gaps shows a significant decrease. …”
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    Article
  15. 115

    Exploring the electronic and magnetic properties of half-heusler alloy CoMnSb: implications for spintronics by Binay Limbu, Prem Sagar Dahal

    Published 2025-01-01
    “…The hybridization of the eg and t2g orbitals of the Co, Mn, and P-orbitals of the Sb are primarily responsible for the band gap. This indicates that these alloys hold great potential as functional materials for spintronics. …”
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    Article
  16. 116

    Modeling and Optimization of BT and DBT Photooxidation over Multiwall Carbon Nanotube-Titania Composite by Response Surface Methodology by Molood Barmala, Mohammad Behnood

    Published 2018-01-01
    “…Although the generated structure band gap is 3.4, but due to the presence of MWCNTs in the structure, it is capable of absorbing visible light, and this leads to complete removal of DBT and 42% removal of BT under visible light radiation (in similar circumstances). …”
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  17. 117

    Fabrication of Cu–Zn–Sn–S–O Thin Films by the Electrochemical Deposition Method and Application to Heterojunction Cells by Kai Yang, Masaya Ichimura

    Published 2012-01-01
    “…The films deposited by pulsed ECD contained smaller amount of oxygen than those deposited by DC ECD. The films had band gap energies in a range from 1.5 eV and 2.1 eV. …”
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  18. 118

    New Coefficients of the Minority Carrier Lifetime and Bandgap Narrowing Models in the Transparent Emitter of Thin Film Silicon Solar Cells by A. Zerga, M. Benosman, F. Dujardin, B. Benyoucef, J-P. Charles

    Published 2003-01-01
    “…In this study we have determined new coefficients for the physical model describing the band-gap narrowing and the minority carriers lifetime. …”
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  19. 119

    Doping Induced Structural Stability and Electronic Properties of GaN Nanotubes by Anurag Srivastava, Mohammad Irfan Khan, Neha Tyagi, Purnima Swaroop Khare

    Published 2014-01-01
    “…The present paper discusses the effect of manganese doping on the structural stability and electronic band gap of chiral (2, 1), armchair (3, 3), and zigzag ((6, 0) and (10, 0)) single walled GaN nanotube by using density functional theory based Atomistix Toolkit (ATK) Virtual NanoLab (VNL). …”
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  20. 120

    Effect of Vacancy Defects on the Electronic Structure and Optical Properties of GaN by Lili Cai, Cuiju Feng

    Published 2017-01-01
    “…The results show that the band gap increases in GaN with vacancy defects. Crystal parameters decrease in GaN with nitrogen vacancy (GaN:VN) and increase in GaN with gallium vacancy (GaN:VGa). …”
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