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Archive for the ‘materials’ category: Page 7

Aug 21, 2024

Graphene-metal metastructures offer new possibilities for efficient micropropulsion systems

Posted by in categories: materials, space travel

The integration of graphene-metal metastructures with laser micropropulsion systems promises significant advancements in space exploration and energy systems.

Aug 20, 2024

Superconductivity appears in nickelate crystals under pressure

Posted by in category: materials

Could nickel-oxide-based compounds be a new class of high-temperature superconductors?

Aug 20, 2024

A Jamming Framework for Soft Granular Materials

Posted by in category: materials

Experiments on soft granular materials have allowed researchers to derive a rheological description for these materials by extending an established framework valid for hard granular materials.

Aug 19, 2024

Printed electronics material can store 1,000 times more charge than current forms

Posted by in categories: innovation, materials

Imagine knowing your milk has gone bad without having to open your fridge. A technology called printed electronics could one day make innovations like this possible.

Aug 19, 2024

New twist on synthesis technique promises sustainable manufacturing

Posted by in categories: materials, sustainability

James Tour’s lab at Rice University has developed a new method known as flash-within-flash Joule heating (FWF) that could transform the synthesis of high-quality solid-state materials, offering a cleaner, faster and more sustainable manufacturing process. The findings were published in Nature Chemistry on Aug. 8.

Aug 17, 2024

Mapping the Textures of Thicker Magnets

Posted by in categories: mapping, materials

A soft x-ray magnetic imaging technique makes possible the study of a wide range of magnetic materials.

Aug 15, 2024

Scientists create material that can take the temperature of nanoscale objects

Posted by in categories: materials, nanotechnology

University of California, Irvine scientists recently discovered a one-dimensional nanoscale material whose color changes as temperature changes. The team’s results appeared in Advanced Materials (“Sensitive Thermochromic Behavior of InSeI, a Highly Anisotropic and Tubular 1D van der Waals Crystal”).

“We found that we can make really small and sensitive thermometers,” said Maxx Arguilla, UC Irvine professor of chemistry whose research group led the study. “It’s one of the most applied and translatable works to come out of our lab.”

Arguilla likened the thermometers to “nanoscale mood rings,” referring to the jewelry that changes color depending on the wearer’s body temperature. But instead of simply taking a qualitative temperature reading, the changes in the color of these materials “can be calibrated and used to optically take temperature readings at the nanoscale,” Arguilla said.

Aug 13, 2024

Scientists achieve rapid upcycling of microplastics to graphene

Posted by in categories: innovation, materials

James Cook University researchers have achieved a significant breakthrough that allows them to convert microplastics to a highly valuable material. The study is published in the journal Small Science.

Aug 13, 2024

Unique transistor ‘could change the world of electronics’ thanks to nanosecond-scale switching speeds and refusal to wear out

Posted by in categories: computing, materials

A new material can withstand ‘billions’ of electrical cycles without wearing out — and scientists say it could transform electronics within 10 to 20 years.

Aug 13, 2024

Neutrons reveal the existence of local symmetry breaking in a Weyl semimetal

Posted by in category: materials

The first materials scientists might have been early humans who—through trial-and-error experiments—discovered the first “cutting-edge” technologies. They found that the best arrowheads and other tools could be made from certain types of natural, structural materials, which at the time included stones and animal bones.

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