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Search results for optoelectronic devices

Nanophysics Apr 14, 2022

Graphene-hBN breakthrough to spur new LEDs, quantum computing

In a discovery that could speed research into next-generation electronics and LED devices, a University of Michigan research team has developed the first reliable, scalable method for growing single layers of hexagonal boron ...

Nanomaterials Apr 8, 2022

Graphene-driving strain engineering to enable strain-free epitaxy of AlN film for deep ultraviolet light-emitting diode

The direct band gap of AlN-based materials makes them suitable for fabricating DUV optoelectronic devices, which have a wide range of application prospects in the fields of curing, water and air disinfection, medicine and ...

Nanophysics Apr 7, 2022

Researchers engineer electrically tunable graphene devices to study rare physics

An international team, co-led by researchers at The University of Manchester's National Graphene Institute (NGI) in the UK and the Penn State College of Engineering in the US, has developed a tunable graphene-based platform ...

Analytical Chemistry Apr 5, 2022

Investigating newly synthesized thallium compounds for optoelectronic devices

The burgeoning field of optoelectronic devices is driving the development of new alkali metal-based chalcogenides with qualities that have to be robustly investigated.

Quantum Âé¶¹ÒùÔºics Mar 25, 2022

Peering into precise ultrafast dynamics in matter

A team of researchers from Beijing led by Prof. Dr. Sheng Meng has succeeded in developing predictive first-principles approaches for investigating precise ultrafast processes in matter. The method, named TDAP  (time-dependent ...

Condensed Matter Mar 22, 2022

Fast-moving excitons observed for first time in metal, unlocking potential to speed up digital communication

In a world first, a team co-led by a physicist at City University of Hong Kong (CityU) has discovered that excitons—excited electrons bound to empty electron "holes"—can exist stably and travel rapidly through metal. ...

Optics & Photonics Mar 17, 2022

Ultra-compact integrated photonic device could lead to new optical technologies

Photonic integrated circuits are essential to many technologies, including fiber-optic communications, mapping systems, and biosensors.

Nanomaterials Mar 15, 2022

Simpler graphene method paves way for new era of nanoelectronics

Ever since its discovery in 2004, graphene has received attention owing to its extraordinary properties, among them its extremely high carrier mobility. However, the high carrier mobility has only been observed using techniques ...

Nanomaterials Mar 9, 2022

Genetically modified proteins convert carbon nanotube to programmable optoelectronic device

Fluorescent proteins, especially green fluorescent protein (GFP), can act as the light-responsive element that transduces events through to electrically conductive transducers, such as single-walled carbon nanotubes (SWCNTs) ...

Nanomaterials Mar 3, 2022

Engineering 2D semiconductors with built-in memory functions

A team of researchers at The University of Manchester's National Graphene Institute (NGI) and the National Âé¶¹ÒùÔºical Laboratory (NPL) has demonstrated that slightly twisted 2D transition metal dichalcogenides (TMDs) display ...

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