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aluminium gallium nitride
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Silanna to Set up Advanced Manufacturing Research Facility at University of Adelaide
Aug 23, 2018Silanna Group of Brisbane, Australia (which was founded in 2006 to develop and productize advanced technologies) is partnering with the University of Adelaide to establish an advanced manufacturing research facility on its campus, ...
Tags: Silanna's products, semiconductor
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Reducing Laser Diode Optical Leakage with Indium Gallium Nitride Waveguides
Sep 23, 2016Institute of High Pressure Physics (IHPP) and TopGaN Ltd, both of Poland, have been jointly developing indium gallium nitride (InGaN) waveguide structures for use in blue laser diodes (LDs) [Grzegorz Muziol et al, Appl. Phys. Express, vol9, ...
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Indium Gallium Nitride Laser Diode Directly Integrated with Silicon
Sep 9, 2016Researchers in China have achieved continuous wave (cw) lasing at room temperature for indium gallium nitride (InGaN) laser diodes (LDs) grown directly on silicon (Si) [Yi Sun et al, Nature Photonics, 10, p595, 2016]. The team from Suzhou ...
Tags: InGaN Laser diodes, cw, SINANO
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Reducing Misfit Dislocations in Green Semi-Polar Light-Emitting Diodes
Aug 26, 2016University of California Santa Barbara (UCSB) in the USA has used limited-area epitaxy (LAE) on semi-polar gallium nitride (GaN) substrates to reduce misfit dislocation (MD) densities in multiple quantum well (MQW) green light-emitting ...
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Laytec Offers Epitt 280nm Reflectance Channel to Sense Algan Surface Morphology in UV-C LED EPI
Jun 30, 2016Aluminium gallium nitride (AlGaN) buffer layers with high aluminium content are necessary for optimal UV-C LED performance. But their band-edge lies below 300nm, so established 405nm in-situ reflectance is insensitive to the surface ...
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Hybrid III-Nitride and Silicon Carbide High-Voltage Power Transistors
Jun 21, 2016Researchers at Hong Kong University of Science and Technology (HKUST) are proposing using III-nitride and silicon carbide (SiC) hybrid technologies for high-voltage power devices [Jin Wei et al, IEEE Transactions on Electron Devices, vol63, ...
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Fully Vertical Gallium Nitride P-I-N Diode Grown on Silicon Substrate
Apr 29, 2016Researchers in Hong Kong and China have claimed the first demonstration of gallium nitirde (GaN) fully vertical p-type-intrinsic-n-type (p-i-n) junction diodes on silicon (Si) [Xinbo Zou et al, IEEE Electron Device Letters, published online ...
Tags: GaN devices, Silicon Substrate
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Silicon Dioxide Charge Inverter Boosts Hole Injection in IngaN LEDs
Apr 21, 2016Researchers based in China, Singapore and Turkey have used an extremely thin layer of silicon dioxide (SiO2) insulator as a charge inverter in indium gallium nitride (InGaN) light-emitting diodes (LEDs), improving light output power and ...
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III-Nitride High-Electron-Mobility Transistors on Flexible Tape
Apr 11, 2016Researchers in France claim the first demonstration of 10GHz large-signal microwave power performance for flexible aluminium gallium nitride (AlGaN) barrier high-electron-mobility transistors (HEMTs) [S. Mhedhbi et al, IEEE Electron Device ...
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Vertical Gallium Nitride Schottky Diode Combining High Current/Breakdown
Apr 8, 2016HRL Laboratories LLC in the USA has developed a gallium nitride (GaN) vertical tunneling Schottky barrier diode (TBS) that gives good combined on and off performance, compared with vertical Schottky barrier diodes (SBDs) [Y. Cao et al, ...
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Exploring Resonant Energy Transfer From Ingan Wells to Polymers
Dec 16, 2015University of Cyprus, Cyprus University of Technology, and University of Crete have been exploring the potential of Frster resonant energy transfer (FRET) from an indium gallium nitride (InGaN) single quantum well (SQW) to a light-emitting ...
Tags: InGaN, InGaN quantum well, FRET
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Thinning Buffer Layers for GaN-on-Silicon Light-Emitting Diodes
Dec 2, 2015Plessey Semiconductors Ltd in the UK has been improving its indium gallium nitride (InGaN)-on-silicon light-emitting diode (LED) technology [Liyang Zhang et al, Journal of the Electron Devices Society, vol3, p457, 2015]. A light output ...
Tags: GaN-on-silicon LEDs, Plessey MOCVD
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Ultraviolet Photodetectors on Free-Standing Gallium Nitride
Dec 2, 2015Researchers based in USA have been studying performance improvements in aluminium gallium nitride (AlGaN) ultraviolet (UV) avalanche photodiodes (APDs) gained from using free-standing gallium nitride substrates instead of gallium nitride on ...
Tags: AlGaN, Ultraviolet photodetectors, HVPE
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Reducing Current Leakage in Aluminium Gallium Nitride Transistors on Silicon
Nov 27, 2015Researchers in the USA have reduced current leakage for aluminium gallium nitride (AlGaN) high-electron-mobility transistors (HEMTs) on silicon to the level achieved for devices produced on much more expensive silicon carbide [Bo Song et ...
Tags: AlGaN, transistors, Silicon
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Low-Threading-Dislocation AlGaN Template for Ultraviolet Lasers
Nov 19, 2015Sandia National Laboratories in the USA has reported aluminium gallium nitride (AlGaN) laser structures emitting ~350nm ultraviolet radiation from optical and electrical pumping [Mary H. Crawford et al, Appl. Phys. Express, vol8, p112702, ...
Tags: AlGaN, ultraviolet lasers, LEDs