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Search results for transmission electron microscopy

Nanomaterials May 29, 2024

Researchers develop efficient tandem catalyst to enhance nitrate electroreduction to ammonia

A research team has designed a tandem catalyst to improve the electroreduction of nitrate into ammonia. By coupling Cu single atom catalysts with adjacent Co3O4 nanosheets, the team successfully regulated the adsorption energy ...

Condensed Matter May 23, 2024

Researchers investigate properties of novel materials for electronics operating in extremely hot environments

The scorching surface of Venus, where temperatures can climb to 480°C (hot enough to melt lead), is an inhospitable place for humans and machines alike. One reason scientists have not yet been able to send a rover to the ...

Analytical Chemistry May 16, 2024

Ion swap dramatically improves performance of COâ‚‚-defeating catalyst

A team of scientists led by the Department of Energy's Oak Ridge National Laboratory has found an unconventional way to improve catalysts made of more than one material. The solution demonstrates a path to designing catalysts ...

Analytical Chemistry May 15, 2024

New photocatalyst to improve decarbonization and other chemical reactions

The use of greenhouse gases is one of the most popular directions of the global trend toward decarbonization—reducing the carbon footprint from production and human activities. In the process of converting carbon dioxide ...

Nanophysics May 14, 2024

Uneven strain distribution induces detwinning in penta-twinned nanoparticles

Twinned nanoparticles have regions of clear symmetry that share the same crystal lattice, separated by a clear boundary. Changing the twin structure can affect the properties of the nanoparticles, which makes controlling ...

Nanophysics May 7, 2024

Materials scientists reveal pathway for designing optical materials with specialized properties

While we usually think of disorder as a bad thing, a team of materials science researchers led by Rohan Mishra, from Washington University in St. Louis, and Jayakanth Ravichandran, from the University of Southern California, ...

Nanomaterials Apr 30, 2024

First high-resolution 3D nanoscale chemical imaging achieved with multi-modal tomography

By exploiting a smart learning algorithm that fuses two microscopy signals, University of Michigan researchers have accomplished high-resolution, efficient 3D chemical imaging for the first time at the one-nanometer scale. ...

Optics & Photonics Apr 23, 2024

Tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography

A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography.

Bio & Medicine Apr 22, 2024

Electron videography captures moving dance between proteins and lipids

In a first demonstration of "electron videography," researchers have captured a microscopic moving picture of the delicate dance between proteins and lipids found in cell membranes. The technique can be used to study the ...

Analytical Chemistry Apr 22, 2024

Researchers uncover kinky metal alloy that won't crack at extreme temperatures at the atomic level

A metal alloy composed of niobium, tantalum, titanium, and hafnium has shocked materials scientists with its impressive strength and toughness at both extremely hot and cold temperatures, a combination of properties that ...

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