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3 kV monolithic bidirectional GaN HEMT on sapphire
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. …”
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22
A Comprehensive Examination of Bandgap Semiconductor Switches
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. …”
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AlGaN/AlN heterostructures: an emerging platform for integrated photonics
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. …”
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24
Design of Multijunction Photovoltaic Cells Optimized for Varied Atmospheric Conditions
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. …”
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25
Enhancing Carriers’ Confinement by Introducing BAlGaN Quantum Barriers for the Better Optoelectronic Performance of Deep UV LEDs
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. …”
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26
Simulation and Experimental Study of the Single-Pulse Femtosecond Laser Ablation Morphology of GaN Films
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. …”
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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
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. …”
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28
An Improved Topology of Isolated Bidirectional Resonant DC-DC Converter Based on Wide Bandgap Transistors for Electric Vehicle Onboard Chargers
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. …”
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Room Temperature Gas Sensor Based on GaN/PANI Micro Composite with Ultrahigh NH3 Gas Sensibility
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. …”
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Al‐Rich AlGaN Transistors with Regrown p‐AlGaN Gate Layers and Ohmic Contacts
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. …”
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31
Low Thermal Resistance of Diamond‐AlGaN Interfaces Achieved Using Carbide Interlayers
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. …”
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32
Complex-Order Fractional Proportional–Resonant Controller for High-Frequency Applications
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. …”
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Lossless Phonon Transition Through GaN‐Diamond and Si‐Diamond Interfaces
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. …”
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Enhanced solar hydrogen production via reconfigured semi-polar facet/cocatalyst heterointerfaces in GaN/Si photocathodes
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. …”
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