Arizona State University (ASU) in the USA claims the first demonstration of 1kV-class aluminium nitride (AlN) Schottky barrier diodes (SBDs) [Houqiang Fu et al, IEEE Electron Device Letters, 5 July 2017]. AlN has a wide bandgap of 6.2eV. ...
Tags: semiconductor, MOCVD
In the presentation ‘Low vertical leakage current of 0.07μm/mm2 at 600V without intentional doping for 7μm-thick GaN-on-Si’ at the 12th International Conference on Nitride Semiconductors (ICNS-12) in Strasbourg, France ...
Tags: technology engineering, epiwafer
Deposition equipment maker Aixtron SE of Herzogenrath, near Aachen, Germany says that San’an Optoelectronic Co Ltd (China’s largest LED maker) has completed the qualification of its Close Coupled Showerhead (CCS) process ...
Tags: LEDs, LED products
Researchers in Russia claim “the first demonstration of an injection quantum well microdisk laser fabricated of III-V materials monolithically grown on silicon (001) substrate” [N. V. Kryzhanovskaya et al, Optics Express, vol. ...
Tags: silicon photonics, Lasers
Process equipment maker Veeco Instruments Inc of Plainview, NY, USA says that ultraviolet short-wavelength light-emitting diodes (UV-C LEDs) research firm CrayoNano AS of Trondheim, Norway - which was founded in June 2012 based on research ...
Tags: UV-C LED, Graphene Growth
Epiwafer foundry and substrate maker IQE plc of Cardiff, Wales, UK says that, for first-half 2017, it expects revenue of about £70m, reflecting increased sales in each of its three primary markets. “All business units have ...
Luxembourg-registered synthetic diamond materials firm Element Six (E6), a member of the De Beers Group of Companies, has developed a new thermal grade of synthetic diamond grown by chemical vapor deposition (CVD). Diafilm ETC700 is both ...
Researchers in South Korea and the USA claim record 2190cm2/V-s effective mobility for indium gallium arsenide (InGaAs) quantum well (QW) metal-oxide-semiconductor field-effect transistors (MOSFETs) on 300mm-diameter (100) silicon ...
Tags: Transistors, MOSFETs
LED maker Lumileds of San Jose, CA, USA says that, at the IEEE Honors Ceremony in San Francisco on 25 May during the IEEE Vision, Innovations, and Challenges (IEEE VIC) Summit, George Craford (the Lumileds Solid State Lighting Fellow) will ...
For first-quarter 2017, epitaxial deposition and process equipment maker Veeco Instruments Inc of Plainview, NY, USA has reported revenue of $94.4m, rebounding further from $93.6m last quarter and up 21% on $78m a year ago. This is above ...
Tags: LED Demand, LED industry
SENTECH Instruments GmbH of Berlin, Germany says that the Institute for Microelectronics and Microsystems (CNR-IMM) in Catania – which is part of the Physics and Matter Technologies Department (DSFTM) of the National Research Council ...
Tags: SENTECH Instruments GmbH, CNR-IMM
Researchers in China have developed indium gallium nitride (InGaN) photovoltaic devices that increase in efficiency with temperature up to 423K [Zhaoying Chen et al, Appl. Phys. Lett., vol109, p062104, 2016]. "The positive efficiency ...
Tags: InGaN solar cells InGaN, MOCVD, positive temperature coefficient
Epitaxial deposition and process equipment maker Veeco Instruments Inc of Plainview, NY, USA says that solid-state lighting manufacturer HC SemiTek Corp of Wuhan, China (which supplies full-spectrum visible light LED chips) has ordered ...
Tags: Veeco, MOCVD system, HC SemiTek
Researchers 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
Researchers in Russia have developed an indium gallium arsenide (InGaAs) quantum well laser diode on (001) germanium-on-silicon 'virtual substrate' without offcut angle [V. Ya. Aleshkin et al, Appl. Phys. Lett., vol109, p061111, 2016]. ...
Tags: InGaAs, Laser diodes, III-Vs-on-Si