Yale University and University of Illinois Urbana in the USA have improved the efficiency of gallium arsenide phosphide (GaAsP) solar cells on silicon (Si) by reducing threading dislocation densities (TDDs) [Kevin Nay Yaung et al, Appl. ...
Tags: GaAsP solar cells, GaAsP, MBE, MOCVD
Epitaxial deposition and process equipment maker Veeco Instruments Inc of Plainview, NY, USA says that Epistar Corp of Hsinchu Science-based Industrial Park, Taiwan (the world's largest manufacturer of LED epiwafers and chips) has ordered ...
University of California Santa Barbara (UCSB) in the USA has developed a monolithic white light-emitting diode (LED) with blue light produced by electrical pumping, and green/'red' by optical pumping from the blue source [S. J. Kowsz et al, ...
For second-quarter 2016, epitaxial deposition and process equipment maker Veeco Instruments Inc of Plainview, NY, USA has reported revenue of $75.3m, down 8.6% on $78m last quarter and 42.7% on $131.4m a year ago, consistent with ...
Tags: Veeco, LED industry
Researchers at the University of Illinois at Urbana Champaign (UIUC) say that they have developed a new method for making brighter and more efficient green LEDs (R. Liu and C. Bayram, 'Maximizing cubic phase gallium nitride surface coverage ...
Tags: Green LEDs, MOCVD
South China University of Technology has used low-temperature barriers between indium gallium nitride (InGaN) multiple quantum wells (MQWs) to improve the light output power of light-emitting diodes (LEDs) by 23% to 63.83mW at 65mA [Zhiting ...
Tags: Low-Temperature Barriers, Quantum
Deposition equipment maker Aixtron SE of Herzogenrath, near Aachen, Germany says that it is working with five partners in the HEA2D project to investigate the production, qualities and applications of 2D nanomaterials. When integrated ...
Tags: 2D Nanomaterials, HEA2D Consortium
Deposition equipment maker Aixtron SE of Herzogenrath, near Aachen, Germany says that optoelectronics manufacturer Xiamen Changelight Co Ltd of Xiamen, Fujian Province, China has finalized qualification of its AIX R6 Close Coupled ...
Tags: Aixtron SE, Changelight, MOCVD
Researchers at University of California Santa Barbara (UCSB) and Rutgers University in the USA believe that charge polarization in III-nitride materials has not been adequately understood up to now [Cyrus E. Dreyer et al, Phys. Rev. X vol6, ...
Tags: semiconductors, Electronics
Aluminium 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 ...
In-situ metrology system maker LayTec AG of Berlin, Germany says that, following the request of customers and utilizing the modular concept of its new Gen3 in-situ platform, it has customized and expanded the related in-situ metrology ...
In-situ metrology system maker LayTec AG of Berlin, Germany says that deposition equipment maker Aixtron SE of Herzogenrath, near Aachen, Germany has qualified EpiNet 2016, its latest control and analysis software for EpiTT and EpiCurve TT ...
Tags: LayTec AG, EpiNet 2016
Researchers in Hong Kong and USA have been working on producing optically pumped micro-disk lasers on exact (001) silicon [Yating Wan et al, Appl. Phys. Lett., vol108, p221101, 2016]. The team from Hong Kong University of Science and ...
Researchers 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, ...
Xidian University in China has used pulsed metal-organic chemical vapor deposition (MOCVD) to increase indium gallium nitride (InGaN) room-temperature channel mobility to 1681cm2/V-s, which is claimed to be a record [Yachao Zhang et al, ...