Search results for optoelectronic devices

Nanophysics Dec 8, 2022

Experimental nanosheet material marks a step toward the next generation of low-power, high-performance electronics

A team of researchers in China have developed a high-conductivity material that could greatly reduce contact resistance and Schottky barrier height within critical parts of electronic and optoelectronic microchips, paving ...

Nanophysics Nov 8, 2022

Faster and more efficient computer chips thanks to germanium

TU Wien (Vienna) has succeeded in making a new type of material usable for chip technology. This enables faster, more efficient computers and new types of quantum devices.

Quantum Physics Nov 7, 2022

New quasiparticle discovered in moiré patterns

If you hold one wire mesh on top of another one and look through it, you'll see a larger pattern called a moiré pattern formed by the overlapping grids of the two meshes, which depends on their relative twisted angle. Scientists ...

Nanophysics Nov 3, 2022

Exploring pressure-gated band-edge states of 2D halide perovskites

In semiconductor heterostructures, reconfiguring the band-edge states and modulating their interplay with charge carriers in a continuous manner have been long-standing challenges.

Optics & Photonics Nov 2, 2022

Unipolar quantum optoelectronic devices: Higher speeds in free-space optical communications in the midinfrared band

Telecommunications have reshaped many aspects of our lives over the past few decades by providing incredibly convenient ways to share and access information. One of the most important enablers for this transformation has ...

Nanophysics Nov 1, 2022

Quantum dots form ordered material

Quantum dots are clusters of some 1,000 atoms which act as one large "super-atom." It is possible to accurately design the electronic properties of these dots just by changing their size. However, to create functional devices, ...

Nanomaterials Oct 27, 2022

Overview of the emerging field of 2D ferroelectric materials with layered van der Waals crystal structures

A UNSW paper published recently in Nature Reviews Materials presents an exciting overview of the emerging field of 2D ferroelectric materials with layered van der Waals crystal structures, a novel class of low-dimensional ...

Optics & Photonics Oct 25, 2022

Carbonized polymer dots enhance stability and flexibility of quasi-2D perovskite photodetector

High-performance photodetectors with great detection capability have been widely deployed in our daily life, such as driverless technology, intraoperative navigated surgery, face recognition, anti-counterfeiting, and so on. ...

Optics & Photonics Oct 24, 2022

Meta-lens offers superior off-axis focus

An ultrathin dielectric meta-lens has been created that improves focusing capabilities but can also be scaled down to a tiny size for integration with photonics equipment.

Nanophysics Oct 5, 2022

Developing strategies for high-quality crystal growth

Transition metal dichalcogenides (TMDCs) are a class of materials with physical properties that make them ideally suited for use in flexible optoelectronic applications, such as light detectors, light-emitting diodes and ...

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