Researchers based in the USA and Korea have found "an unequivocal correlation between the onset of high injection and the onset of the efficiency droop" of gallium indium nitride (GaInN) light-emitting diodes (LEDs) [David S. Meyaard et al, ...
Tags: LED, Nitride LED, Electrical, Electronics
Researchers based in Belgium have developed gold-free nitride semiconductor Schottky barrier diodes (SBDs) on 200mm-diameter silicon to complement metal-insulator-semiconductor high-electron-mobility transistors (MISHEMTs) previously ...
Tags: Barrier Diodes, Electrical, Electronics
Researchers in China have used laser micromachining to boost light extraction efficiencies of nitride semiconductor light-emitting diodes (LEDs) by up to 46% [Bo Sun et al, J. Appl. Phys., vol113, p243104, 2013]. The team was based at ...
Tags: LED, Laser Sculpting, Electrical, Electronics
Researchers in China have been developing nanopatterned-sapphire substrates (NPSS), achieved with nano-sphere lithography (NSL), as a basis for the production of superior aluminium gallium nitride (AlGaN) semiconductor material for deep ...
Tags: DUV LEDs, LED, Electrical, Electronics
Peking and Xidian universities have jointly developed a self-terminating gate recess etch that allows them to produce aluminium gallium nitride (AlGaN) normally-off metal-oxide-semiconductor field-effect transistors (MOSFETs) with positive ...
Tags: Electrical, gate recess etch
Kyma Technologies Inc of Raleigh, NC, USA, which provides crystalline gallium nitride (GaN), aluminum nitride (AlN) and aluminum gallium nitride (AlGaN) materials and related products and services, has announced the commercial availability ...
Tags: Electrical, Kyma Technologies
Northwestern University's Center for Quantum Devices has developed a suface-plasmon (SP) enhancement technique for ultraviolet (UV) light-emitting diodes (LEDs) produced on silicon substrates [Chu-Young Cho et al, Appl. Phys. Lett., vol102, ...
Tags: UV-LEDs, Electrical, Electronics
Chinese Academy of Sciences’ Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO) has extended its work on double-gated nitride semiconductor high-electron-mobility transistors (DG-HEMTs) [Guohao Yu et al, IEEE Electron Device ...
Tags: Nitride HEMTs, Electrical
LayTec AG of Berlin, Germany (which makes in-situ metrology systems for thin-film processes, focusing on compound semiconductor and photovoltaic applications) says that, in his invited talk at the LED Technology Forum in Singapore (7-10 ...
Tags: LayTec, Singapore's IMRE
LAST POWER (Large Area silicon-carbide Substrates and heTeroepitaxial GaN for POWER device applications), the European Union-sponsored program aimed at developing a cost-effective and reliable technology for power electronics, has announced ...
Tags: SiC, substrates GaN
Researchers in the USA at BAE Systems and Purdue University have developed atomic layer deposited (ALD) aluminium oxide as passivation for nitride semiconductor high-electron-mobility transistors (HEMTs) [Dong Xu et al, Electron Device ...
Tags: Oxide Passivation, Electronics, Atomic Layer
The UK’s Engineering and Physical Sciences Research Council (EPSRC) has awarded funding totaling more than £823,800m to two universities for the project ‘Novel High Thermal Conductivity Substrates for GaN Electronics: ...
Tags: Electrical, Electronics, GaN Electronics
Institute of Electronic, Microelectronic and Nanotechnology (IEMN) in France has developed a gallium nitride (GaN) on silicon (Si) high-electron-mobility transistor (HEMT) with a power gain cut-off frequency of 220GHz and a three-terminal ...
Tags: GaN-on-Si HEMT, EpiGaN MOCVD PECVD
Taiwan National Tsing Hua University has been studying ways to improve the modulation performance of high-output-power nitride semiconductor light-emitting diodes (LEDs) [Chien-Lan Liao et al, IEEE Electron Device Letters, published online ...
Tags: GaN InGaN LEDs, LED, Electrical, Electronics, taiwan
AIXTRON SE announced that China’s Peking University is adding to its AIXTRON equipment base with an order for a further Close Coupled Showerhead (CCS) reactor with capacity for three 2-inch (3x2”) substrates in a single run. The ...