Tag

Nanodevices

All articles tagged with #nanodevices

science-and-technology1 year ago

"Nanodevices Challenge Prior Understanding by Seemingly Producing Energy Out of Thin Air"

Scientists at the Swiss Laboratory of Nanoscience for Energy Technologies have discovered a way to harness the power of evaporation to simultaneously produce clean water and clean electricity using specialized nanodevices, contradicting prior understanding that highly purified water was required for best performance. This finding has significant implications for providing clean water and electricity to areas in need, as well as for various applications such as sensors and wearable fitness devices.

science-and-technology1 year ago

"Breakthrough: Measuring Near-Field Subwavelength Thermal Radiation"

Researchers have successfully conducted the first near-field thermal radiation measurement between subwavelength nanodevices, breaking Planck's Law at the nanoscale. By fabricating an advanced instrument, they observed a 20-fold enhancement in heat transfer between two subwavelength surfaces with a separation gap of 150 nm, providing new insights into energy transport physics within nanodevices. This foundational physics has the potential to impact thermal engineering and photonics in the future.

science-and-technology2 years ago

Unveiling Unusual Ultrafast Motion and Rare Physics in Layered Magnetic Materials and Uranium Ditelluride Crystals

Scientists have discovered an unusual ultrafast mechanical motion tied to a change in magnetic state in layered antiferromagnetic materials. By scrambling the ordered orientation of electron spins in the material using ultrafast laser pulses, the researchers observed a sliding motion between layers, with each oscillation occurring at an incredible speed of 10 to 100 picoseconds. This discovery could have important implications for nanodevices requiring ultra-precise and fast motion control, such as high-speed nanomotors for biomedical applications.