Search results for scanning electron microscopy

Archaeology Nov 30, 2024

Evidence of silk found in Bronze Age sacrificial pits

China National Silk Museum and the Sichuan Research Institute of Cultural Relics and Archaeology have confirmed the use of silk in sacrificial rituals by a Bronze Age civilization in the Yangtze River Basin. The findings ...

Environment Nov 26, 2024

Study confirms coal dust presence in Baltimore's Curtis Bay, raising health concerns

A new study from Johns Hopkins University researchers and community partners has confirmed what residents of South Baltimore's Curtis Bay community have reported for decades: Coal dust is present in measurable amounts on ...

Astrobiology Nov 22, 2024

Ryugu asteroid sample rapidly colonized by terrestrial life despite strict contamination control

Panspermia is the hypothesis that life can survive the transfer between planetary bodies as a secondary path for life to get started on planets throughout a solar system. The discovery of extraterrestrial life on asteroids ...

Nanophysics Nov 18, 2024

Electron imaging reveals the vibrant colors of the outermost electron layer

Surfaces play a key role in numerous chemical reactions, including catalysis and corrosion. Understanding the atomic structure of the surface of a functional material is essential for both engineers and chemists. Researchers ...

Nanophysics Nov 13, 2024

How are nanostructures created? Imaging techniques unveil secrets of electrodeposition

Metallic nanoparticles, consisting of a few to several thousand atoms or simple molecules, are attracting significant interest. Electrodes coated with layers of nanoparticles (nanolayers) are particularly useful in areas ...

Molecular & Computational biology Nov 8, 2024

Improving pulse flours for consumer use: Using synchrotron light to determine optimal particle size for milling

Chickpeas, lentils, beans and peas are a fast-growing food market, with new uses going well beyond bean salads and hummus—think brownies, vegan meats, and salad dressing. Researchers like Chitra Sivakumar are working to drive ...

Condensed Matter Oct 23, 2024

AI model improves 4D STEM imaging for delicate materials

Researchers at Monash University have developed an artificial intelligence (AI) model that significantly improves the accuracy of four-dimensional scanning transmission electron microscopy (4D STEM) images.

Condensed Matter Oct 11, 2024

First ever visualization shows photoexcited charges traveling across the interface of two semiconductor materials

UC Santa Barbara researchers have achieved the first-ever "movie" of electric charges traveling across the interface of two different semiconductor materials. Using scanning ultrafast electron (SUEM) techniques developed ...

Analytical Chemistry Oct 9, 2024

Unveiling a new technique for preparing ionic liquid-based membranes for mixture separation

Separating mixtures into their constituent substances is essential in many fields. For example, mixture separation plays a key role in the petrochemical industry, as well as in chemical purification and synthesis plants. ...

Condensed Matter Oct 9, 2024

Novel technique for observing atomic-level changes could unlock potential of quantum materials

A research team led by the Department of Energy's Oak Ridge National Laboratory has devised a unique method to observe changes in materials at the atomic level. The technique opens new avenues for understanding and developing ...

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