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General Physics Aug 7, 2025

Scientists discover way to pause ultrafast melting in silicon using precisely timed laser pulses

A team of physicists has discovered a method to temporarily halt the ultrafast melting of silicon using a carefully timed sequence of laser pulses. This finding opens new possibilities for controlling material behavior under ...

Optics & Photonics Aug 6, 2025

Ultrafast light switch achieved with asymmetric silicon metasurfaces in nanophotonics

In nanophotonics, tiny structures are used to control light at the nanoscale and render it useful for technological applications. A key element here is optical resonators, which trap and amplify light of a certain color (wavelength).

Optics & Photonics Jul 18, 2025

Engineers achieve efficient integration of quantum dot lasers on silicon chiplets

Lasers that are fabricated directly onto silicon photonic chips offer several advantages over external laser sources, such as greater scalability. Furthermore, photonic chips with these "monolithically" integrated lasers ...

Polymers May 29, 2025

Degradable silicone-hydrogel coating offers efficient marine biofouling protection

A research team at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences has developed a novel degradable silicone-hydrogel coating, delivering impressive synergistic anti-biofouling ...

Nanophysics May 1, 2025

Precision-engineered surface can enhance silicon solar cell performance

Converting sunlight into electricity is the task of photovoltaic solar cells, but nearly half the light that reaches a flat silicon solar cell surface is lost to reflection. While traditional antireflective coatings help, ...

Nanophysics Apr 17, 2025

Quantum confinement explains the dramatic rise of electrical resistivity in few-nanometers-thick silicon sheets

Consumer electronic devices are made from materials that we have been using for more than 60 years, mainly silicon, germanium and copper. Why have semiconductor electronics become increasingly fast over this time?

Bio & Medicine Apr 14, 2025

Ultra-thin, flexible silicone nanosensor could have huge impact on brain injury treatment

A car accident, football game, or even a bad fall can lead to a serious or fatal head injury. Annually, traumatic brain injuries (TBI) cause half a million permanent disabilities and 50,000 deaths. Monitoring pressure inside ...

Nanophysics Jan 23, 2025

Mixing silicon with 2D materials for new energy-efficient semiconductor tech

Nanoelectronics deal with extremely small electronic components—transistors, sensors and circuits that can fit on the tip of a needle. This technology powers our everyday lives through devices such as computers, smartphones ...

Molecular & Computational biology Jan 23, 2025

From root to shoot: How silicon powers plant resilience

Silicon (Si) is one of the most abundant elements on Earth, found in large quantities in soil. While Si is not essential for land plants, many plants, such as rice and grasses, have used Si to develop powerful defense mechanisms ...

Quantum Physics Jan 23, 2025

Study demonstrates integration of 1,024 silicon quantum dots with on-chip electronics all operating at low temperatures

Quantum computers have the potential of outperforming classical computers on some optimization tasks. Yet scaling up quantum computers leveraging existing fabrication processes while also maintaining good performances and ...

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