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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 ...

Condensed Matter Apr 28, 2020

Wide bandgap semiconductor devices based on silicon carbide may revolutionize electronics

Growth of high-quality substrates for microelectronic applications is one of the key elements helping drive society toward a more sustainable green economy. Today, silicon plays a central role within the semiconductor industry ...

Materials Science Mar 27, 2020

Research into perovskite-silicon tandem cells shows new path to take

Researchers at the National Renewable Energy Laboratory (NREL), working in collaboration with their counterparts in the Republic of Korea, have validated the potential of using a combination of perovskite and silicon to create ...

Quantum Physics Mar 17, 2020

Machine learning to scale up the quantum computer

,,Quantum computers are expected to offer tremendous computational power for complex problems –currently intractable even on supercomputers—in the areas of drug design, data science, astronomy and materials chemistry ...

General Physics Mar 5, 2020

Variations in the vibrations of beams of silicon create a sensitive way of measuring pressure changes

A micrometer-scale, low-power consumption pressure sensor has been developed by KAUST scientists, with potential applications in vacuum environments.

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