Search results for silicon dioxide

Nanophysics Apr 19, 2024

Comprehensive model unravels quantum-mechanical effects behind photoluminescence in thin gold films

EPFL researchers have developed the first comprehensive model of the quantum-mechanical effects behind photoluminescence in thin gold films; a discovery that could drive the development of solar fuels and batteries.

General Physics Apr 16, 2024

Physicists explain, and eliminate, unknown force dragging against water droplets on superhydrophobic surfaces

Microscopic chasms forming a sea of conical jagged peaks stipple the surface of a material called black silicon. While it's commonly found in solar cell tech, black silicon also moonlights as a tool for studying the physics ...

Nanomaterials Apr 16, 2024

A single atom layer of gold—researchers create goldene

For the first time, scientists have managed to create sheets of gold only a single atom layer thick. The material has been termed goldene. According to researchers from Linköping University, Sweden, this has given the gold ...

Analytical Chemistry Apr 10, 2024

New spectrometer helps identify alternative catalyst materials for affordable hydrogen fuel cells

Fuel cells are quickly becoming a viable, clean energy alternative to commonly used fossil fuels, such as gasoline, coal, and oil. Fossil fuels are non-renewable energy resources that release carbon dioxide into the atmosphere.

Bio & Medicine Mar 21, 2024

New cost-effective method can detect low concentrations of pharmaceutical waste and contaminants in water

Pharmaceutical waste and contaminants present a growing global concern, particularly in the context of drinking water and food safety. Addressing this critical issue, a new study by researchers at Bar-Ilan University's Department ...

Biochemistry Mar 17, 2024

Better kombucha brewing through chemistry

Kombucha is a fermented tea known for its health benefits and tangy kick. But brewers can find it challenging to keep kombucha's alcohol levels low because the bacteria and yeast used in the fermentation process vary from ...

Planetary Sciences Feb 25, 2024

Earth's early evolution: Fresh insights from rocks formed 3.5 billion years ago

Our Earth is around 4.5 billion years old. Way back in its earliest years, vast oceans dominated. There were frequent volcanic eruptions and, because there was no free oxygen in the atmosphere, there was no ozone layer. It ...

Bio & Medicine Feb 21, 2024

Spinning, magnetic micro-robots help researchers probe immune cell recognition

Researchers at the Pritzker School of Molecular Engineering and the Department of Chemistry at the University of Chicago have engineered tiny, spinning micro-robots that bind to immune cells to probe their function. The robot, ...

Condensed Matter Feb 8, 2024

New techniques for making qubits out of erbium

Qubits are the building block for quantum technology, and finding or building qubits that are stable and easily manipulated is one of the central goals of quantum technology research. Scientists have found that an atom of ...

Analytical Chemistry Jan 31, 2024

A new nose-like sensor sniffs out toxic ammonia gas

Engineers in Australia have developed a small ammonia gas sensor that could enable safer hydrogen storage and specialized medical diagnostic devices.

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