University of California Santa Barbara (UCSB) in the USA has improved hole concentrations in p-type gallium nitride (p-GaN) by using indium as a surfactant in ammonia-based molecular beam epitaxy (NH3MBE) [Erin C. H. Kyle et al, Appl. Phys. ...
Tags: Gallium Nitride, Indium Surfactant
Researchers in South Korea have used electrochemical potentiostatic activation (EPA) to alter the hydrogen content in p-type gallium nitride (GaN) layers with a view to improved performance of light-emitting diodes (LEDs) [June Key Lee et ...
Tags: GaN layers, P-Gallium Nitride
KTH-Royal Institute of Technology in Sweden has used corrugated epitaxial lateral overgrowth (CELOG) to create heterojunctions consisting of n-type indium phosphide (n-InP) and p-type silicon (p-Si) [Y. T. Sun et al, Appl. Phys. Lett., ...
Tags: corrugated epitaxial, silicon
A team at IBM Research's Zurich Research Laboratory in Rüschlikon, Switzerland, with support from the firm's T. J. Watson Research Center in Yorktown Heights, New York, has developed what it says is a relatively simple, robust and ...
Tags: IBM III-Vs-on-Si, Electrical, Electronics, IBM
North Carolina State University in the USA has developed a new edge termination technique for 4H polytype silicon carbide (4H-SiC) high-voltage devices [Woongje Sung et al, IEEE Electron Device Letters, published online 29 April 2015]. The ...
Small brands with turnovers of Rs 10 crore to Rs 25 crore and mid brands with turnovers of Rs 25 crore to Rs 100 crore were affected by low sentiments, reveals the Clothing Manufacturers’ Association of India (CMAI’s) Apparel ...
Tags: Clothing Manufacturers, Apparel
Researchers in USA and Saudi Arabia have been producing 610nm-wavelength red lasers with III-nitride nanowires (NWs) grown on silicon [Shafat Jahangir et al, Appl. Phys. Lett., vol106, p071108, 2015]. With a view to plastic fiber optical ...
Tags: plastic fiber, Electronics
Korea Institute of Science and Technology has presented what it says is the first demonstration of indium gallium arsenide on-insulator (In0.53Ga0.47As-OI) transistors with a buried yttrium oxide (Y2O3 BOX) layer [SangHyeon Kim et al, IEEE ...
Researchers based in Japan claim the highest output power and external quantum efficiency (EQE) so far for deep ultraviolet (DUV) sub-270nm-wavelength light-emitting diodes (LEDs) during DC operation [Shin-ichiro Inoue et al, Appl. Phys. ...
Tags: DUV LEDs, DUV devices
University of California Santa Barbara (UCSB) has used indium tin oxide (ITO) as part of the cladding for semi-polar indium gallium nitride (InGaN) laser diodes (LDs) [A. Pourhashemi et al, Appl. Phys. Lett., vol106, p111105, 2015]. The ...
Tags: Indium, InGaN substrates, Electrical
University of California Los Angeles (UCLA) has developed gallium antimonide (GaSb) thermophotovoltaic (TPV) cells on gallium arsenide (GaAs) substrates [Bor-Chau Juang et al, Appl. Phys. Lett., vol106, p111101, 2015]. The use of GaAs ...
Tags: TPV devices, lattice mismatch, Electronics
k-Space Associates Inc of Dexter, MI, USA (which supplies thin-film metrology tools for the semiconductor, compound semiconductor and solar markets) has reported revenue for its patented kSA BandiT wafer and film temperature monitoring ...
Tags: k-Space, Electronic Materials, Electrical
Researchers at University of Notre Dame (UND) in the USA have claimed record high breakdown voltage for aluminium gallium nitride (AlGaN/GaN) lateral Schottky barrier diodes (SBDs) on silicon [Mingda Zhu et al, IEEE Electron Device Letters, ...
Tags: silicon diodes, GaN substrates
Researchers in Europe have developed a low-temperature plasma-assisted molecular beam epitaxy (PAMBE) process for direct growth of indium gallium nitride (InGaN) on silicon (Si) substrates [Pavel Aseev et al, Appl. Phys. Lett., vol106, ...
With the European Union (EU) deciding to remove three China-based PV module makers from the Minimum Import Price (MIP) framework for suspected circumvention of minimum import pricing and import quotas set in 2013, other China-based PV ...
Tags: PV Module, solar cell