Researchers in Taiwan claim to be the first to use bumping technology to create piezoelectric-induced performance enhancement in flip-chip packaged aluminium gallium nitride (AlGaN) high-electron-mobility transistors (HEMTs) [Szu-Ping Tsai ...
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
Singapore's Nanyang Technological University has developed conventional aluminium gallium nitride (AlGaN) high-electron-mobility transistors (HEMTs) with record-breaking figures-of-merit (FOMs) for frequency and breakdown performance [Kumud ...
Tags: Electrical, Electronics
University of Notre Dame (UND) is developing gallium nitride (GaN) quantum dots in aluminium nitride (AlN) as a route to deep ultraviolet (UV) light-emitting diodes (LEDs) [Jai Verma et al, Appl. Phys. Lett., v104, p021105, 2014]. ...
Tags: UV Light Emission, LEDs
Researchers at Korea's Chonbuk National University and Korea Institute of Science and Technology have improved the contact of graphene with p-type gallium nitride (p-GaN), resulting in improved near-ultraviolet (NUV) light-emitting diodes ...
Tags: Near-ultraviolet LEDs, Graphene GaN MOCVD, Gallium Nitride
Researchers in China have developed a selective area epitaxy (SAE) approach to create nanopyramids of nitride semiconductor 'white' light-emitting diodes (LEDs) without using phosphors [Kui Wu et al, Appl. Phys. Lett., vol103, p241107, ...
Tags: Electrical, Electronics, LED
Researchers at Meijo University and Nagoya University, Japan, have produced low-resistance n-type aluminium gallium nitride (n-AlGaN) [Toru Sugiyama et al, Appl. Phys. Express, vol6, p121002, 2013]. Using the n-AlGaN as part of an ...
Tags: LED, Electrical, Electronics
Researchers at Samsung Electronics and Seoul National University (SNU) in Korea have produced high-quality free-standing gallium nitride (GaN) substrates from hydride vapor phase epitaxy (HVPE) on silicon [Moonsang Lee et al, Appl. Phys. ...
Tags: GaN-on-silicon substrates GaN HVPE, Electrical, Electronics
A Korea/USA team of engineering researchers has developed a gallium nitride (GaN) metal-oxide-semiconductor high-electron-mobility transistor (MOSHEMT) with embedded Schottky barrier diode (SBD) [Bong-Ryeol Park et al, Semicond. Sci. ...
Tags: GaN Transistors, Embedding
University of California Santa Barbara (UCSB) has developed semipolar (20-2-1) nitride semiconductor laser diodes (LDs) without using aluminium gallium nitride (AlGaN) as the cladding material for optical confinement [A. Pourhashemi et al, ...
China’s Xidian University has produced ‘normally-off’ gallium nitride (GaN) high-electron-mobility transistors (HEMTs) with a thin high-aluminium-content aluminium gallium nitride (AlGaN) barrier layer [Kai Zhang et al, ...
Tags: Xidian University, normally-off, GaN, HEMTs
LG Electronics Materials and Components Laboratory in South Korea has used aluminium gallium nitride (AlGaN) superlattice structures (SLs) to improve lateral current spreading from the n-side of nitride semiconductor light-emitting diodes ...
Tags: Nitride LEDs, Light
Hong Kong University of Science and Technology (HKUST) has developed a 600V gallium nitride on silicon (GaN/Si) normally-off metal-insulator-semiconductor high-electron-mobility transistor (MIS-HEMT) with large gate swing and low current ...
Tags: GaN MIS-HEMTs AlGaN, Electrical, Electronics
Singapore’s Nanyang Technological University (NTU) has developed a passivation process for aluminium gallium nitride on gallium nitride (AlGaN/GaN) high-electron-mobility transistors (HEMTs) on silicon substrates that significantly ...
Tags: Nitride HEMTs, Electrical
Taiwan’s National Chiao-Tung University has developed a titanium nitride/copper (TiN/Cu) gate structure for aluminium gallium nitride (AlGaN) high-electron-mobility transistors (HEMTs) that shows improvements over a comparison ...
Tags: GaN HEMT, Electronics