National Formosa University in Taiwan has developed a liquid-phase deposition (LPD) process of textured zinc oxide on III-V semiconductor to provide improved absorption of multi-junction solar cells [Po-Hsun Lei et al, J. Phys. D: Appl. ...
Tags: ZnO, germanium solar cells, solar cells
University of Notre Dame (UND) in the USA and epiwafer maker IQE have claimed record-breaking balanced frequency performance for a nitride semiconductor high-electron-mobility transistor (HEMT) using indium aluminium gallium nitride ...
Taiwan’s National Chung Hsing University has used nitride semiconductor growth on gallium nitride nanocolumns and nanoporosity achieved with photoelectrochemical etching to boost the light output power of light-emitting diodes (LEDs) ...
Tags: LEDs, Air-Channels, Nanoporous Structure
Yale University has developed techniques to release nitride semiconductor layers and transfer them to other substrates, allowing vertical current-flow light-emitting diodes (LEDs) [Yu Zhang et al, Appl. Phys. Lett., vol100, p181908, 2012]. ...
Purdue and Harvard universities have produced stacked nanowire (NW) transistors with increased drive current and maximum transconductance. The results were presented on Wednesday 12 December at the International Electron Devices Meeting ...
Tags: Christmas Tree, 4d Electronics, nanowire transistors, wrap-around gates
Two Yale University researchers have developed epitaxial distributed Bragg reflectors (DBRs) in nitride semiconductors with reflectivities of more than 98% [Danti Chen and Jung Han, Appl. Phys. Lett., vol101, p221104, 2012]. Further, the ...
Researchers in China have developed a low-cost, high-throughput photonic crystal (PhC) process for nitride semiconductor light-emitting diodes (LEDs) [Tongbo Wei et al, Appl. Phys. Lett., vol101, p211111, 2012]. The process used ...
Tags: Nanospheres GaN LEDs MOCVD, LEDs
Researchers based in France and Germany have developed techniques for growing indium arsenide (InAs) channel structures on silicon [L. Desplanque et al, Appl. Phys. Lett., vol101, p142111, 2012]. Room-temperature mobility for the epitaxial ...
Tags: growing indium arsenide, InAs, chemicals
Singapore researchers have developed high-mobility III-V indium gallium arsenide (InGaAs) channel n-type metal-oxide-semiconductor field-effect transistors (n-MOSFET) on germanium-on-insulator (GeOI) substrates [Ivana et al, Appl. Phys. ...
Tags: n-MOSFETs, metal-oxide-semiconductor, semiconductor, transistors
Researchers in Korea have developed gold-doped graphene as a transparent and current-spreading electrode (TCSE) for ultraviolet (UV) light-emitting diodes (LEDs). Some of the research group from Chonbuk National University and ...
Tags: UV LED
National Chung Hsing University in Taiwan has developed a simple silane treatment to improve crystal quality/internal quantum efficiency (IQE) and light extraction in nitride semiconductor light-emitting diodes (LEDs) [Chung-Chieh Yang et ...
Tags: LED
Researchers in China have improved LED power output and droop behavior in nitride semiconductor light-emitting diodes (LEDs) by including an electron-emitting layer under the active region [Jianbao Zhang et al, Appl. Phys. Express, vol5, ...
Singapore researchers report "for the first time" the DC and microwave characteristics of submicron-gate aluminium gallium nitride on gallium nitride (AlGaN/GaN) high-electron-mobility transistors (HEMTs) on 8-inch (200mm) diameter Si(111) ...
Tags: MOCVD
Researchers in Korea and India have used zinc oxide (ZnO) nanorods on the rear side tolight-emitting diodes (LEDs) grown on c-plane sapphire [Joo Jin et al, Jpn. J. Appl. Phys., vol51, p102101, 2012]. The researchers were based at Chonbuk ...
Tags: LED
Rensselaer Polytechnic Institute (RPI) and Samsung Electronics have used tapered micro-pillars of titanium dioxide (TiO2) to increase light extraction from nitride semiconductor light-emitting diodes (LEDs) by up to 100% [Ming Ma et al, ...
Tags: LEDs