Showing 141 - 160 results of 343 for search 'Diode layer', query time: 0.10s Refine Results
  1. 141

    Performance Characteristics of the Battery-Operated Silicon PIN Diode Detector with an Integrated Preamplifier and Data Acquisition Module for Fusion Particle Detection by Allan Xi Chen, Benjamin F. Sigal, John Martinis, Alfred YiuFai Wong, Alexander Gunn, Matthew Salazar, Nawar Abdalla, Kai-Jian Xiao

    Published 2025-05-01
    “…A charge-sensitive preamplifier (CSP) is mounted on the backside of the detector’s four-layer PCB and powered by two ±3 V lithium batteries (A123). …”
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  2. 142

    High Bandwidth Freestanding Semipolar (11–22) InGaN/GaN Light-Emitting Diodes by Zhiheng Quan, Duc V. Dinh, Silvino Presa, Brendan Roycroft, Ann Foley, Mahbub Akhter, Donagh O'Mahony, Pleun P. Maaskant, Marian Caliebe, Ferdinand Scholz, Peter J. Parbrook, Brian Corbett

    Published 2016-01-01
    “…Freestanding semipolar (11&#x2013;22) indium gallium nitride (InGaN) multiple-quantum-well light-emitting diodes (LEDs) emitting at 445 nm have been realized by the use of laser lift-off (LLO) of the LEDs from a 50- <inline-formula> <tex-math notation="LaTeX">$\mu\text{m}$</tex-math></inline-formula>- thick GaN layer grown on a patterned (10&#x2013;12) <inline-formula> <tex-math notation="LaTeX">$r$</tex-math></inline-formula>- plane sapphire substrate (PSS). …”
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  3. 143

    Comprehensive investigation of GaN and AlN-on-GaN JBS diodes: optimizing inter-p + spacing for high-power applications by Sana Nasir, Gul Hassan, Habib Ahmad

    Published 2025-06-01
    “…For an intrinsic layer thickness of 0.5 µm, the best trade-off between specific on-resistance and breakdown voltage is achieved at 1.2 μm spacing for Gallium Nitride-based diodes, yielding a specific on-resistance of 9.93 × 10−3 mΩ cm2, a breakdown voltage of 185.72 V, a critical electric field of 3.75 MV/cm, and a Baliga’s Figure of Merit of 3.47 GW/cm2. …”
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  4. 144

    CALCULATION OF ELASTICALLY STRESSED QUANTUM WELLS HETEROSTRUCTURE AlXGaYIn1-X-YAs/InP FOR EFFICIENT DIODE LASERS by V. N. Svetogorov, R. Kh. Akchurin, A. A. Marmalyuk, M. A. Ladugin, I. V. Yarotskaya

    Published 2018-04-01
    “…The compositions of epitaxial layers forming quantum-well heterostructures AlxGayIn1-x-yAs / InP for laser diodes with the radiation wavelength of 1.55 μm are calculated. …”
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  5. 145

    Effect of Series Resistance and Interface State Density on Electrical Characteristics of Au/SiO2/n-GaN Schottky Diodes by M. Siva Pratap Reddy, B. Prasanna Lakshmi, A. Ashok Kumar, V. Rajagopal Reddy

    Published 2011-01-01
    “…The I−V characteristics confirmed that the distribution of Nss, Rs and interfacial layer are important parameters that influence the electrical characteristics of MIS Schottky diodes.…”
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  6. 146

    Fabrication of GaN vertical junction barrier Schottky diode by Mg diffusion from shallow N/Mg ion-implantation segment by Woong Kwon, Yuta Itoh, Atsushi Tanaka, Hirotaka Watanabe, Yoshio Honda, Hiroshi Amano

    Published 2025-01-01
    “…A vertical GaN p–n junction diode (PND) and junction barrier Schottky diode (JBSD) were fabricated by selective Mg diffusion. …”
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  7. 147

    Chiral Perturbation Strategies for Circularly Polarized Thermally Activated Delayed-Fluorescence Small Molecules: Progress in the Application of Organic Light-Emitting Diodes by Tianwen Fan, Linxian Xu, Hao Tang, Lingyun Wang, Derong Cao

    Published 2025-07-01
    “…However, when the light signal generated by the OLED emissive layer passes through the polarizer, approximately 50% of the light energy is inevitably lost. …”
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  8. 148

    Three-Dimensional Numerical Study on the Efficiency Droop in InGaN&#x002F;GaN Light-Emitting Diodes by Quoc-Hung Pham, Jyh-Chen Chen, Huy-Bich Nguyen

    Published 2019-01-01
    “…The efficiency droop characteristics of single quantum well (SQW) InGaN&#x002F;GaN light-emitting diodes (LEDs) including the phase-space filling (PSF) effect are predicted by a three-dimensional (3-D) numerical simulation. …”
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  9. 149

    Degradation Properties of Organic Light‐Emitting Diodes with Modified Interface Charge Density via Dipolar Doping Studied by Displacement Current Measurement by Mihiro Takeda, Alexander Hofmann, Wolfgang Brütting, Yutaka Noguchi

    Published 2025-06-01
    “…Abstract Accumulated charges at the interfaces of organic light‐emitting diodes (OLEDs) often induce exciton quenching and lead to device degradation. …”
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  10. 150
  11. 151

    Point defect effects in AlGaN 270-nm light emitting diodes introduced by MeV electron and proton irradiation by A. Y. Polyakov, L. A. Alexanyan, I. V. Schemerov, A. A. Vasilev, A. V. Chernykh, Anton Ivanov, Nadezhda Talnishnikh, Anton Chernyakov, A. L. Zakgeim, N. M. Shmidt, P. B. Lagov, A. S. Doroshkevich, R. Sh. Isayev, Yu. S. Pavlov, Hsiao-Hsuan Wan, Fan Ren, S. J. Pearton

    Published 2024-12-01
    “…Point defects were controllably introduced into 270 nm AlGaN Light-Emitting Diodes (LEDs) by 5 MeV electron and 1.1 MeV proton irradiations to examine the effect on electrical and luminescent characteristics. …”
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  12. 152

    GaN-Based Cyan Light-Emitting Diode with up to 1-GHz Bandwidth for High-Speed Transmission Over SI-POF by Juri Vinogradov, Roman Kruglov, Rainer Engelbrecht, Olaf Ziemann, Jinn-Kong Sheu, Kai-Lun Chi, Jhih-Min Wun, Jin-Wei Shi

    Published 2017-01-01
    “…We demonstrate the performance of a novel cyan light-emitting diode (LED) on a patterned sapphire substrate for use as a light source for plastic optical fiber (POF) communications with the central wavelength at 500&#x00A0;nm. …”
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  13. 153

    Carrier Velocity Modulation by Asymmetrical Concave Quantum Barriers to Improve the Performance of AlGaN-Based Deep Ultraviolet Light Emitting Diodes by J. Lang, F. J. Xu, Y. H. Sun, N. Zhang, J. M. Wang, B. Y. Liu, L. B. Wang, N. Xie, X. Z. Fang, X. N. Kang, Z. X. Qin, X. L. Yang, X. Q. Wang, W. K. Ge, B. Shen

    Published 2021-01-01
    “…Carrier velocity modulation by asymmetrical concave quantum barriers to improve the performance of AlGaN-based deep-ultraviolet light emitting diodes has been investigated. The concave structure is realized by inserting a low Al composition AlGaN layer in the barrier, and thus forming a concave region on energy band. …”
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  14. 154

    Light Extraction Efficiency of GaN-Based Micro-Scale Light-Emitting Diodes Investigated Using Finite-Difference Time-Domain Simulation by Han-Youl Ryu, Jeongsang Pyo, Hyun Yeol Ryu

    Published 2020-01-01
    “…We conducted a systematic investigation of the light extraction efficiency (LEE) of GaN-based vertical micro-scale light-emitting diode (&#x03BC;-LED) structures using three-dimensional finite-difference time-domain (FDTD) simulations. …”
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  15. 155

    Fully Vertical GaN-on-SiC p-i-n Diodes With BFOM of 2.89 GW/cm<sup>2</sup> by Jialun Li, Renqiang Zhu, Ka Ming Wong, Kei May Lau

    Published 2024-01-01
    “…The diode presents an ultra-low specific ON-resistance of 0.25 <inline-formula> <tex-math notation="LaTeX">$\text{m}\Omega \cdot $ </tex-math></inline-formula>cm2, a high current swing of 1011, and a high breakdown voltage of 850 V with a 5-<inline-formula> <tex-math notation="LaTeX">$\mu \text{m}$ </tex-math></inline-formula>-thick drift layer, leading to a Baliga&#x2019;s figure of merit (BFOM) of 2.89 GW/cm2. …”
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  16. 156

    Dual-laser powder bed fusion using 450 nm diode area melting and 1064 nm galvo-scanning fiber laser sources by H. Caglar, A. Aydin, I.T. Gulenc, K. Groom, K. Mumtaz

    Published 2024-12-01
    “…Unlike conventional PBF-LB systems that employ a single laser type, this dual-laser setup integrates a traversing Diode Area Melting (DAM) laser head with multiple 450 nm diode lasers (4 W each) and a traditional high-power (200 W) 1064 nm fiber-laser. …”
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  17. 157

    Bar Adsorbent Microextraction with Carbon-Based Sorbent Layers for the Identification of Pharmaceutic Substances by S. Thenmozhi, V. Gowri, K. S. Vinayaka, Ravindra Pratap Singh, V. M. Vel, Kareem Yusuf, Ahmed muteb Aljuwayid, Md Ataul Islam, Abdi Diriba

    Published 2023-01-01
    “…Thirteen carbon materials were tested as sorbent layers in bar adsorbent microextraction (BAμE) to monitor hint amounts of 10 common pharmaceutical compounds (PhCs) in surface and groundwater matrices such as surface and groundwater, saltwater, spring water, and sewage. …”
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  18. 158
  19. 159

    Effect of High Pressure Sodium and Light-Emitting Diode Lamps’ Supplementary Lighting and Diffusion Glass on Growth, Yield, and Fruit Quality of Pink Tomato by Katarzyna Kowalczyk, Małgorzata Mirgos, Anna Geszprych, Jarosław Przybył, Marzena Sujkowska-Rybkowska, Wojciech Borucki, Stanisław Kalisz, Jerzy Jonczak, Anna Sobczak-Samburska, Małgorzata Kunka, Janina Gajc-Wolska

    Published 2025-02-01
    “…In this study, for first time, the efficiency of the yield and fruit quality of the pink tomato cultivar ‘Tomimaru Muchoo’ was studied in hydroponic cultivation with top and interlighting with LEDs (light-emitting diodes) and diffusion glass (<i>DGlass</i>) to cover the glasshouse roof (LED+LED+<i>DGlass</i>). …”
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  20. 160

    Tailoring of Energy Band in Electron-Blocking Structure Enhancing the Efficiency of <roman>AlGaN</roman>-Based Deep Ultraviolet Light-Emitting Diodes by Xiaoli Ji, Jianchang Yan, Yanan Guo, Lili Sun, Tongbo Wei, Yun Zhang, Junxi Wang, Fuhua Yang, Jinmin Li

    Published 2016-01-01
    “…In this paper, a specific design for the electron-blocking structure in AlGaN DUV LEDs, increasing the Al composition of the last quantum barrier to the same value as that of the electron-blocking layer accompanied with composition-graded p-AlGaN layer, is proposed to reduce electron leakage. …”
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