The universities of Virginia and of Texas in the USA have been developing avalanche photodiodes (APDs) based on aluminium indium arsenide antimonide (AlInAsSb) alloys. Two papers from the group detail the implementation of a staircase ...
Researchers in the UK have claimed the first demonstration of laser diodes grown directly on silicon that perform up to 75°C and 120°C under continuous wave (cw) and pulsed operation, respectively [Siming Chen et al, Nature ...
Tags: Quantum dot lasers, GaAs, Silicon substrate, MBE
Study identifies harmful PAMP molecules in processed foods that may increase risk of diseases such as coronary artery disease and Type 2 diabetes. PAMPs can be found in processed foods such as sausages, burgers, ready meals, cheeses, ...
University of California Santa Barbara (UCSB) in the USA has been developing a hybrid technique to create III-nitride tunnel junctions (TJs) using a combination of metal-organic chemical vapor deposition (MOCVD) and molecular beam epitaxy ...
Tags: Gallium Nitride Tunnel, Hybrid
Three scientists share 2015 Nobel Prize in Chemistry, the Royal Swedish Academy of Sciences announced Wednesday. The Nobel Prize in Chemistry 2015 was awarded jointly to Tomas Lindahl, Paul Modrich and Aziz Sancar "for mechanistic studies ...
Tags: Nobel Prize, Chemistry
Australian scientists have identified a network of nine genes that play a key role in the onset of Alzheimer's Disease. The discovery could help researchers develop new treatments to delay the onset of the chronic brain disease, which ...
Yellow laser diodes with low thesholds have been produced by Jijun Feng (University of Shanghai for Science and Technology, China) and Ryoichi Akimoto (National Institute of Advanced Industrial Science and Technology (AIST), Japan) based on ...
Tags: Yellow lasers BeZnCdSe 560-590nm lasers, Ryoichi Akimoto, Electronics
University 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
Riber S.A. of Bezons, France, which manufactures molecular beam epitaxy (MBE) systems as well as evaporation sources and effusion cells, has received two orders for research MBE machines. The Fraunhofer HHI (Heinrich Hertz Institute) in ...
Neogen has received approval from the AOAC Research Institute for its new rapid and accurate test to definitively detect E. coli O157:H7 DNA. Neogen's newly approved ANSR for E. coli O157:H7 detects the bacteria after only 10 minutes of ...
Tags: Neogen, ANSR, E.Coli O157:H7
Researchers in Germany are proposing scandium nitride (ScN) as a suitable buffer for gallium nitride (GaN) on silicon (Si) growth [L. Lupina et al, Appl. Phys. Lett., vol107, p201907, 2015]. The attraction of ScN is a very small mismatch ...
Tags: GaN devices, microscope
Researchers led by a team at UNSW Australia have used the Australian Synchrotron to turn the discovery of an ultra-low density and corrosion-resistant magnesium alloy into the first step toward mass-producing ‘stainless ...
Tags: stainless magnesium, cars, trucks
Researchers 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
Campylobacter is a pathogenic bacteria and one of the most common causes of food poisoning in Australia. Symptoms include diarrhoea, abdominal pain, and fever that lasts up to two weeks. It is most commonly associated with contaminated ...
Tags: Campylobacter, food poisoning, dairy
Jijun Feng and Ryoichi Akimoto based in China and Japan have developed low-threshold green and green-yellow laser diodes (LDs) based on a beryllium zinc cadmium selenide (BeZnCdSe) quantum well [Appl. Phys. Lett., vol107, p161101, 2015]. ...
Tags: laser diodes, zirconium dioxide