An international team of researchers has been exploring nanomembranes of beta-phase gallium oxide (β-Ga2O3) as a channel material for high-voltage field-effect transistors (FETs) [Wan Sik Hwang et al, Appl. Phys. Lett., vol104, ...
Tags: Electrical, Electronics, Transistor
At the 2014 Symposium on VLSI Technology, University of California, Santa Barbara (UCSB) has reported what are claimed to be the highest-performing III-V metal-oxide semiconductor (MOS) field-effect transistors (FETs). The research ...
Midsummer AB of Järfälla, Sweden, a supplier of equipment for manufacturing flexible copper indium gallium diselenide (CIGS) thin-film solar cells, has increased the energy conversion efficiency of its cells from 15% to 16.2% ...
Tags: PV Cell, flexible copper
Researchers in Taiwan have produced zinc oxide/gallium nitride (ZnO/GaN) nano-rod light-emitting diodes [Ya-Ju Lee et al, APL Mater. vol2, p056101, 2014]. The researchers avoided complicated polymer processing by using a shadowing effect to ...
Tags: LED Fabrication, Zinc Oxide
The European Commission has published a revised and extended list of Critical Raw Materials, based on threatened supply coupled with economic importance. The 2014 list includes 13 of the 14 materials identified in the previous list of ...
Tags: Raw Materials, coking coal
Infinera Corp of Sunnyvale, CA, USA, a vertically integrated manufacturer of digital optical network systems incorporating its own indium phosphide-based photonic integrated circuits (PICs), has announced the completion of a multi-terabit ...
Tags: Cable, Transport Network
Researchers in Germany have developed two-dimensional hole gas (2DHG) gallium nitride (GaN) channel structures with record mobility [B Reuters et al, J. Phys. D: Appl. Phys., vol47, p175103, 2014]. Mobility for 2DHGs in GaN is usually ...
Tags: Electrical, Electronics
Infinera Corp of Sunnyvale, CA, USA, a vertically integrated manufacturer of digital optical network systems incorporating its own indium phosphide-based photonic integrated circuits (PICs), says that its DTN-X platform has been deployed ...
Tags: Transport Network, SEACOM
Demand for gallium will rise rapidly between 2014 and 2020 as general lighting moves away from incandescent and fluorescent lamps to light-emitting diodes, but this strong growth is unlikely to result in any tightness in supply as the ...
Tags: Gallium, LED, Electrical, Electronics
Researchers based in Singapore and Turkey have demonstrated a last quantum barrier (LQB) structure for indium gallium nitride (InGaN) light-emitting diodes (LEDs) that improves the electron blocking and hole injection of an aluminium ...
Tags: LEDs GaN InGaN MOCVD, Electrical, Electronics, LED
Researchers based in USA and South Korea have developed a gate stack for III-V quantum well metal-oxide-semiconductor field-effect transistors (QW MOSFETs) based on a bilayer dielectric of beryllium oxide (BeO) and hafnium dioxide (HfO2) ...
Tags: InGaAs MOSFETs QW MOSFETs InGaAs ALD, Electrical, Electronics
Taiwan's National Tsing Hua University has claimed the highest optical 3dB modulation bandwidth of ~463MHz at 50mA for a 500nm-wavelength blue-green indium gallium nitride (InGaN) LED [Chien-Lan Liao et al, IEEE Electron Device Letters, ...
Tags: blue-green LEDs, taiwan, LED, LED light, Electrical, Electronics
For first-quarter 2014, AXT Inc of Fremont, CA, USA has reported revenue of $19.3m, up 3.8% on $18.6m last quarter although still down 13.8% on $22.4m a year ago. Fiscal Q1/2013 Q2/2013 Q3/2013 Q4/2013 Q1/2014 Revenue $22.4m $23.8m $20.5m ...
Tags: Electrical, Electronics
For first-quarter 2014, Infinera Corp of Sunnyvale, CA, USA, a vertically integrated manufacturer of digital optical network systems incorporating its own indium phosphide-based photonic integrated circuits (PICs), has reported revenue of ...
Tags: Electrical, Electronics
Tokyo-based Showa Shell Sekiyu subsidiary Solar Frontier – the largest manufacturer of CIS (copper indium selenium) thin-film photovoltaic (PV) solar modules – and the State University of New York (SUNY) College of Nanoscale ...