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Search results for scanning electron microscopy

Nanomaterials May 3, 2022

Building nanoalloy libraries from laser-induced thermionic emission reduction experiments

High-entropy nanoalloys (HENA) have widespread applications in materials science and applied physics. However, their synthesis is challenging due to slow kinetics that cause phase segregation, sophisticated pretreatment of ...

Environment Apr 27, 2022

Nanoplastic particles love company: Researchers analyze polyethylene degradation in the environment

Polyethylene, a plastic that is both cheap and easy to process, accounts for nearly one-third of the world's plastic waste. An interdisciplinary team from the University of Bayreuth has investigated the progressive degradation ...

Environment Apr 25, 2022

Researchers use machine learning to speed up counting of microplastics

Microplastics are all around us—in the water we drink, the food we eat and the air we breathe. But before researchers can understand the real impact of these particles on health, they need faster and more effective ways ...

Environment Apr 20, 2022

Study shows everyday plastic products release trillions of microscopic particles into water

Plastics surround us, whether it's the grocery bags we use at the supermarket or household items such as shampoo and detergent bottles. Plastics don't exist only as large objects, but also as microscopic particles that are ...

Polymers Apr 14, 2022

A new solution for wastewater remediation

Synthetic dyes are used across a wide variety of industries and constitute a serious concern when it comes to water pollution. These dyes are not only toxic, but they also persist in the environment for a long time without ...

Materials Science Apr 8, 2022

Three dimensional Mn-doped nanosheets as efficient electrocatalysts for alkaline water splitting

Hydrogen has attracted extensive attention from academia and industry as an energy source due to its intrinsic environmental compatibility, abundance, and high energy density (120 MJ kg−1). Electrocatalytic water splitting ...

Archaeology Apr 7, 2022

The race to preserve the oven bricks of the Tudor warship the Mary Rose

After hundreds of years submerged in sea water, marine archaeological objects are complex materials due to degradation and inclusion of foreign compounds from the surrounding environment. When excavated and exposed to air ...

Earth Sciences Mar 30, 2022

Argon found in air of ancient atmosphere

On the massive sheets of ice that stretch across Greenland and Antarctica, the temperature is so low that not even the summer sun can melt the snow deposited onto them. As the snow accumulates without melting and settles ...

Condensed Matter Mar 28, 2022

External magnetic field causes shift in electronic Dirac band structure in a kagome magnet

Working with a quantum material known as a kagome magnet, a team of Boston College physicists and colleagues have directly measured how individual electronic quantum states in the novel material respond to external magnetic ...

Nanomaterials Mar 21, 2022

A unimorph nanocomposite dielectric elastomer for large-scale actuation

Dielectric elastomer actuators (DEAs) can undergo large, reversible in-plane deformation. In a new report now published in Science Advances, Junhong Pu and a team of scientists in soft materials research and polymer science ...

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