Search results for nanometer

Planetary Sciences Jun 28, 2024

Scientists clarify origins of lunar metallic iron

In a study published in Nature Astronomy, Profs. Shen Laiquan, Bai Haiyang, et al. from Prof. Wang Weihua's group at the Institute of Physics of the Chinese Academy of Sciences have clarified the respective effects of irradiation ...

Bio & Medicine Jun 27, 2024

Simulating blood flow dynamics for improved nanoparticle drug delivery

Despite gaining a bad rap in mainstream media in recent years, nanoparticles have been successfully used for decades in targeted drug delivery systems. Drug molecules can be encapsulated within biodegradable nanoparticles ...

Nanomaterials Jun 27, 2024

First comprehensive characterization of the extraordinary thermoelectric properties of cadmium arsenide thin films

If there's one thing we humans are good at, it's producing heat: significant amounts, and in many cases most of the energy we generate and put into our systems we lose as heat, whether it be our appliances, our transportation, ...

Bio & Medicine Jun 27, 2024

Gold nanoparticles kill cancer—but not as thought

Gold particles of the size of billionths of a meter are lethal to cancer cells. This fact has been known for a long time, as has a simple correlation: The smaller the nanoparticles used to fight the cancer cells, the faster ...

Biotechnology Jun 27, 2024

Printed sensors in soil could help farmers improve crop yields and save money

University of Wisconsin–Madison engineers have developed low-cost sensors that allow for real-time, continuous monitoring of nitrate in soil types that are common in Wisconsin. These printed electrochemical sensors could ...

Nanophysics Jun 27, 2024

Fundamental spatial limits of all-optical magnetization switching

Magnetization can be switched with a single laser pulse. However, it is not known whether the underlying microscopic process is scalable to the nanometer length scale, a prerequisite for making this technology competitive ...

Optics & Photonics Jun 26, 2024

Engineers produce the world's first practical Titanium-sapphire laser on a chip

As lasers go, those made of Titanium-sapphire (Ti:sapphire) are considered to have "unmatched" performance. They are indispensable in many fields, including cutting-edge quantum optics, spectroscopy, and neuroscience. But ...

Condensed Matter Jun 26, 2024

Study highlights potential of ultrafast laser processing for next-gen devices

A new joint study uncovers the remarkable potential of ultrafast lasers that could provide innovative solutions in 2D materials processing for many technology developers such as high-speed photodetectors, flexible electronics, ...

Materials Science Jun 26, 2024

Scientists unveil vacancy-assisted fatigue damage mechanism at small scales

Classical theories of fatigue damage in bulk metals have been extensively studied, but little is known about the fundamental fatigue mechanisms at submicron and nanometer scales, where dislocation pattern formation is completely ...

Polymers Jun 25, 2024

Researchers develop high-performance anion exchange membranes for sustainability applications

A team of researchers has achieved a breakthrough in the development of anion exchange membranes (AEMs). They designed a novel spiro-branched polymeric membrane that incorporates highly connected sub-nanometer microporous ...

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