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Nanophysics Aug 14, 2020

Stabilizing monolayer nitrides with silicon

In a new report published in Science, Yi-Lun Hong and a group of research scientists in materials science, engineering, and advanced technology in China and the U.K. investigated two-dimensional (2-D) materials to discover ...

General Physics Aug 14, 2020

Black silicon photodetector breaks the 100% efficiency limit

Aalto University researchers have developed a black silicon photodetector that has reached above 130% efficiency. Thus, for the first time, a photovoltaic device has exceeded the 100% limit, which has earlier been considered ...

Optics & Photonics Jul 21, 2020

New detection method turns silicon cameras into mid-infrared detectors

The MIR range of the electromagnetic spectrum, which roughly covers light in the wavelength regime between 3 to 10 micrometers, coincides with the energies of fundamental molecular vibrations. Utilizing this light for the ...

Quantum Physics Jul 20, 2020

Scientists strengthen quantum building blocks in milestone critical for scale-up

A group of international scientists have substantially lengthened the duration of time that a spin-orbit qubit in silicon can retain quantum information for, opening up a new pathway to make silicon quantum computers more ...

Materials Science Jul 20, 2020

Self-emitted surface corrugations in dynamic fracture of silicon single crystal

When a dynamic crack propagates through material heterogeneities (material differences), elastic waves are emitted to disturb the crack and change the morphology of the fracture surface. When a crack propagates along preferential ...

Materials Science Jul 14, 2020

Tale of the tape: Sticky bits make better batteries

Where things get sticky happens to be where interesting science happens in a Rice University lab working to improve battery technology.

Nanomaterials Jul 9, 2020

Researchers develop high-speed, low-power silicon-germanium chips for cloud computing

Researchers at the Centre de Nanosciences et de Nanotechnologies, in cooperation with CEA LETI and STMicroelectronics, have demonstrated a power-efficient and high-speed silicon-germanium avalanche photo receiver. The device ...

Quantum Physics Jul 6, 2020

Team obtained high-level control of spin qubit lifetime based on silicon quantum dots

By tuning the direction of the external magnetic field with respect to the crystallographic axis of the silicon wafer, an improvement of spin lifetime (relaxation time) by over two orders of magnitude was reported in silicon ...

Nanophysics Jun 29, 2020

Team shows how to store data using 2-D materials instead of silicon chips

A Stanford-led team has invented a way to store data by sliding atomically thin layers of metal over one another, an approach that could pack more data into less space than silicon chips, while also using less energy.

General Physics Jun 1, 2020

New properties of cosmic rays, silicon, magnesium and neon found by Alpha Magnetic Spectrometer aboard ISS

A very large team of researchers from around the globe has found new properties of the cosmic rays silicon, magnesium and neon using data from the Alpha Magnetic Spectrometer aboard the International Space Station. In their ...

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