Showing 21 - 34 results of 34 for search '"gallium nitride"', query time: 0.05s Refine Results
  1. 21

    3 kV monolithic bidirectional GaN HEMT on sapphire by Md Tahmidul Alam, Swarnav Mukhopadhyay, Md Mobinul Haque, Shubhra S. Pasayat, Chirag Gupta

    Published 2025-01-01
    “…3 kV breakdown voltage was demonstrated in monolithic bidirectional Gallium Nitride (GaN) High Electron Mobility Transistors (HEMTs) having potential applications in 1200 V or 1700 V class power converters. …”
    Get full text
    Article
  2. 22

    A Comprehensive Examination of Bandgap Semiconductor Switches by S. Siva Subramanian, R. Saravanakumar, Bibhu Prasad Ganthia, S. Kaliappan, Surafel Mustefa Beyan, Maitri Mallick, Monalisa Mohanty, G. Pavithra

    Published 2021-01-01
    “…At this moment, titanium dioxide and gallium nitride are the most prospective semiconductor materials because of their great features, established technology, and enough supply of raw components. …”
    Get full text
    Article
  3. 23

    AlGaN/AlN heterostructures: an emerging platform for integrated photonics by Sinan Gündoğdu, Sofia Pazzagli, Tommaso Pregnolato, Tim Kolbe, Sylvia Hagedorn, Markus Weyers, Tim Schröder

    Published 2025-01-01
    “…Abstract We introduce a novel material for integrated photonics and investigate aluminum gallium nitride (AlGaN) on aluminum nitride (AlN) templates as a platform for developing reconfigurable and on-chip nonlinear optical devices. …”
    Get full text
    Article
  4. 24

    Design of Multijunction Photovoltaic Cells Optimized for Varied Atmospheric Conditions by C. Zhang, J. Gwamuri, R. Andrews, J. M. Pearce

    Published 2014-01-01
    “…Band gap engineering provides an opportunity to not only provide higher overall conversion efficiencies of the reference AM1.5 spectra but also customize PV device design for specific geographic locations and microenvironments based on atmospheric conditions characteristic to that particular location. Indium gallium nitride and other PV materials offer the opportunity for limited bandgap engineering to match spectra. …”
    Get full text
    Article
  5. 25

    Enhancing Carriers’ Confinement by Introducing BAlGaN Quantum Barriers for the Better Optoelectronic Performance of Deep UV LEDs by Jamshad Bashir, Muhammad Usman, Dmitri Sergeevich Arteev, Zoya Noor, Ahmed Ali

    Published 2025-01-01
    “…Ultraviolet light-emitting diodes (LEDs) based on Aluminum Gallium Nitride (AlGaN) suffer from poor carriers’ confinement effect, one possible solution to this problem is to increase the barrier heights for carriers by increasing Aluminum content in quantum barriers (QBs), which results in a higher turn-on voltage. …”
    Get full text
    Article
  6. 26

    Simulation and Experimental Study of the Single-Pulse Femtosecond Laser Ablation Morphology of GaN Films by Mingyuan Wang, Tong Zhang, Yanping Yuan, Zhiyong Wang, Yanlei Liu, Lin Chen

    Published 2025-01-01
    “…Gallium nitride (GaN) exhibits distinctive physical and chemical properties that render it indispensable in a multitude of electronic and optoelectronic devices. …”
    Get full text
    Article
  7. 27

    Accurate Modeling of GaN HEMTs Oriented to Analysis of Kink Effects in S<sub>22</sub> and h<sub>21</sub>: An Effective Machine Learning Approach by Zegen Zhu, Gianni Bosi, Antonio Raffo, Giovanni Crupi, Jialin Cai

    Published 2024-01-01
    “…The device under test (DUT) is a 0.25-<inline-formula> <tex-math notation="LaTeX">$\mu \text{m}$ </tex-math></inline-formula> gallium nitride (GaN) high electron mobility transistor (HEMT) on silicon carbide (SiC) substrate, which has a large gate periphery of 1.5 mm. …”
    Get full text
    Article
  8. 28

    An Improved Topology of Isolated Bidirectional Resonant DC-DC Converter Based on Wide Bandgap Transistors for Electric Vehicle Onboard Chargers by Md. Tanvir Shahed, A. B. M. Harun-Ur Rashid

    Published 2023-01-01
    “…A 5 kW CLLL converter with an input range of 400–460 V direct current (DC) and an output range of 530–610 V DC, and a switching frequency of 1 MHz has been designed and investigated under various loading scenarios. Gallium nitride (GaN) switching device-based designs achieved the highest levels of efficiency among the switching devices. …”
    Get full text
    Article
  9. 29

    Room Temperature Gas Sensor Based on GaN/PANI Micro Composite with Ultrahigh NH3 Gas Sensibility by LIU Xiaoru, JIA Zhengyang, GUANG Juxu, HAN Dan, SANG Shengbo

    Published 2025-01-01
    “…[Purposes] This study is carriedout to discuss on the response of gallium nitride (GaN) and polyaniline (PANI) composites to ammonia (NH3) at room temperature. …”
    Get full text
    Article
  10. 30

    Al‐Rich AlGaN Transistors with Regrown p‐AlGaN Gate Layers and Ohmic Contacts by Brianna Klein, Andrew Allerman, Andrew Armstrong, Mary Rosprim, Colin Tyznik, Yinxuan Zhu, Chandan Joishi, Chris Chae, Siddharth Rajan

    Published 2025-01-01
    “…Abstract Epitaxial regrowth processes are presented for achieving Al‐rich aluminum gallium nitride (AlGaN) high electron mobility transistor (HEMTs) with p‐type gates with large, positive threshold voltage for enhancement mode operation and low resistance Ohmic contacts. …”
    Get full text
    Article
  11. 31

    Low Thermal Resistance of Diamond‐AlGaN Interfaces Achieved Using Carbide Interlayers by Henry T. Aller, Thomas W. Pfeifer, Abdullah Mamun, Kenny Huynh, Marko Tadjer, Tatyana Feygelson, Karl Hobart, Travis Anderson, Bradford Pate, Alan Jacobs, James Spencer Lundh, Mark Goorsky, Asif Khan, Patrick Hopkins, Samuel Graham

    Published 2025-02-01
    “…Abstract This study investigates thermal transport across nanocrystalline diamond/AlGaN (aluminum gallium nitride) interfaces, crucial for enhancing thermal management in AlGaN‐based electronic devices. …”
    Get full text
    Article
  12. 32

    Complex-Order Fractional Proportional&#x2013;Resonant Controller for High-Frequency Applications by Daniel Heredero-Peris, Macia Capo-Lliteras, Daniel Montesinos-Miracle, Joaquim Melendez-Frigola

    Published 2025-01-01
    “…A set of simulations and experimental results on a 3.6-kVA gallium nitride inverter is discussed. The proposed COFPR controller performs superiorly at high frequencies when the same gains for the controllers are used. …”
    Get full text
    Article
  13. 33

    Lossless Phonon Transition Through GaN‐Diamond and Si‐Diamond Interfaces by Mohamadali Malakoutian, Kelly Woo, Dennis Rich, Ramandeep Mandia, Xiang Zheng, Anna Kasperovich, Devansh Saraswat, Rohith Soman, Youhwan Jo, Thomas Pfeifer, Taesoon Hwang, Henry Aller, Jeongkyu Kim, Junrui Lyu, Janelle Keionna Mabrey, Thomas Andres Rodriguez, James Pomeroy, Patrick E. Hopkins, Samuel Graham, David J. Smith, Subhasish Mitra, Kyeongjae Cho, Martin Kuball, Srabanti Chowdhury

    Published 2025-01-01
    “…Since thermal boundary resistance (between the channel/junction and diamond plays a crucial role in overall thermal resistance, this study investigates various dielectrics for interface engineering, such as Silicon dioxide (SiO2), amorphous‐ Silicon Carbide (a‐SiC), and Silicon Nitride (SiNx), to make a phonon bridge at gallium nitride (GaN)‐diamond and Si‐diamond interfaces. …”
    Get full text
    Article
  14. 34

    Enhanced solar hydrogen production via reconfigured semi-polar facet/cocatalyst heterointerfaces in GaN/Si photocathodes by Wei Chen, Danhao Wang, Weiyi Wang, Xin Liu, Yuying Liu, Chao Wang, Yang Kang, Shi Fang, Xudong Yang, Wengang Gu, Dongyang Luo, Yuanmin Luo, Zongtao Qu, Chengjie Zuo, Yi Kang, Lin Cheng, Wensheng Yan, Wei Hu, Ran Long, Jr-Hau He, Kang Liang, Sheng Liu, Yujie Xiong, Haiding Sun

    Published 2025-01-01
    “…Here, we report a unique photoelectrode composed of reconfigured gallium nitride nanowire-on-silicon wafer loaded with Au nanoparticles as cocatalyst that achieved an impressive applied bias photon-to-current efficiency of 10.36% under AM 1.5G one sun illumination while exhibiting stable PEC hydrogen evolution over 800 h at a high current density. …”
    Get full text
    Article