Phys.org

Driving photochemistry with sub-molecular precision

 Nanotechnology News
 15 March 2024
Absorption of light initiates many natural and artificial chemical processes, for example, photosynthesis in plants, human vision, or even 3D printing. Until now, it seemed impossible to control a light-driven chemical reaction at the atomic scale, where only a specific part of one molecule is...

New electron microscopy technique for thermal diffusion measurements

 Nanotechnology News
 15 March 2024
A NIMS research team has developed a technique that enables the nanoscale observation of heat propagation paths and behavior within material specimens. This was achieved using a scanning transmission electron microscope (STEM) capable of emitting a pulsed electron beam and a nanosized thermocouple—a...

Researchers prove fundamental limits of electromagnetic energy absorption

 Physics General News
 14 March 2024
Electrical engineers at Duke University have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers optimize devices designed to block certain frequencies of radiation while allowing...

New method enables synthesis of hundreds of new 2D materials

 Nanotechnology News
 14 March 2024
Materials that are incredibly thin, only a few atoms thick, exhibit unique properties that make them appealing for energy storage, catalysis and water purification. Researchers at Linköping University, Sweden, have now developed a method that enables the synthesis of hundreds of new 2D materials....

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