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Search results for semiconductor

Condensed Matter Nov 24, 2021

A new topological magnet with colossal angular magnetoresistance

While electrons are well known to carry both charge and spin, only the electric charge portion is used as an information carrier in modern electronic devices. However, the limits of modern electronics and the impending end ...

Optics & Photonics Nov 18, 2021

Efficient photon upconversion at an organic semiconductor interface

Researchers at Institute for Molecular Science in Japan report that novel photon upconversion (UC) system with heterojunctions of organic semiconductors. The solid-state UC system is achieved with an external quantum efficiency ...

Condensed Matter Nov 12, 2021

Researchers combine two semiconductor doping methods to achieve new efficiencies

A University of Wollongong-led team across three FLEET nodes has combined two traditional semiconductor doping methods to achieve new efficiencies in the topological insulator bismuth-selenide (Bi2Se3).

General Physics Nov 8, 2021

Ultra-pure semiconductor opens new frontier in the study of electrons

Princeton researchers have created the world's purest sample of gallium arsenide, a semiconductor used in devices that power such technologies as cell phones and satellites.

Optics & Photonics Oct 26, 2021

A new way to generate light through use of pre-existing defects in semiconductor materials

Researchers from the Low Energy Electronic Systems Interdisciplinary Research Group at Singapore-MIT Alliance for Research and Technology, MIT's research enterprise in Singapore, together with collaborators at the MIT, ...

Quantum Physics Oct 21, 2021

Shrinking quantum key distribution technology to a semiconductor chip

Toshiba Europe Ltd today announced it has developed the world's first chip-based quantum key distribution (QKD) system. This advance will enable the mass manufacture of quantum security technology, bringing its application ...

Nanomaterials Sep 23, 2021

MXene-GaN van der Waals metal-semiconductor junctions for high performance photodetection

High levels of dark current and noise have ailed metal-semiconductor-metal (MSM) photodetectors for years. Recently, scientists in China demonstrated that by replacing conventional metals with MXene, the dark current and ...

Nanophysics Sep 22, 2021

Researchers achieve charge-order-enhanced capacitance in semiconductor moiré superlattices

In recent years, electronics engineers have been experimenting with new materials that could be used to study electronic correlation phenomena. Van der Waals (vdW) moiré materials are particularly promising for examining ...

General Physics Sep 17, 2021

Effect of electrons with negative mass in novel semiconductor nanostructures

A large international research collaboration led by Dr. Kai-Qiang Lin and Professor John Lupton from the Institute of Experimental and Applied Physics at the University of Regensburg has been able to measure the effect of ...

Materials Science Sep 16, 2021

A simple way to get complex semiconductors to assemble themselves

Stacking extremely thin films of material on top of each other can create new materials with exciting new properties. But the most successful processes for building those stacks can be tedious and imperfect, and not well ...

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