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Search results for chemical vapor deposition

Analytical Chemistry Jan 11, 2023

Discovery of a new form of carbon called long-range ordered porous carbon

The most well-known forms of carbon include graphite and diamond, but there are other more exotic nanoscale allotropes of carbon as well. These include graphene and fullerenes, which are sp2 hybridized carbon with zero (flat-shaped) ...

Bio & Medicine Dec 9, 2022

A deep study of two-dimensional transition metal chalcogenides

Two-dimensional materials, like transition metal dichalcogenide, have applications in public health because of their large surface area and high surface sensitivities, along with their unique electrical, optical, and electrochemical ...

Analytical Chemistry Dec 8, 2022

Solving the puzzle: Cubic silicon carbide wafer demonstrates high thermal conductivity, second only to diamond

A team of University of Illinois Urbana-Champaign Material Science and Engineering researchers have solved a long-standing puzzle about lower measured thermal conductivity values of cubic silicon carbide (3C-SiC) bulk crystals ...

Planetary Sciences Dec 7, 2022

NASA's Perseverance rover collects two samples of Martian regolith

NASA's Perseverance rover snagged two new samples from the Martian surface on Dec. 2 and 6. But unlike the 15 rock cores collected to date, these newest samples came from a pile of wind-blown sand and dust similar to but ...

Nanomaterials Nov 29, 2022

Graphene is a proven supermaterial, but manufacturing the versatile form of carbon at usable scales remains a challenge

"Future chips may be 10 times faster, all thanks to graphene"; "Graphene may be used in COVID-19 detection"; and "Graphene allows batteries to charge 5x faster"—those are just a handful of recent dramatic headlines lauding ...

Nanophysics Nov 14, 2022

Understanding the growth modes of single-walled carbon nanotubes on catalysts

Insights into the catalyst structure-function relationship of single-walled carbon nanotubes (SWCNTs) can provide an outlook to their growth mechanisms. In a new report now published in Science Advances, Feng Yang and a research ...

Condensed Matter Nov 3, 2022

Novel single-crystal production method opens up promising avenues for studies in solid-state physics

Single crystals are materials in which the crystal lattice is continuous and unbroken to the edges of the sample, with no grain boundaries. The atoms occupy regular positions, which are repeated indefinitely in space. While ...

Nanophysics Oct 31, 2022

In nanotube science, is boron nitride the new carbon?

Engineers at MIT and the University of Tokyo have produced centimeter-scale structures, large enough for the eye to see, that are packed with hundreds of billions of hollow aligned fibers, or nanotubes, made from hexagonal ...

Nanomaterials Oct 17, 2022

Scientists use surfactant to help make 'inert' templates for nanotube growth

Researchers from Tokyo Metropolitan University have used a surfactant to disperse insulating boron nitride nanotubes and coat them onto surfaces without bundling. The team demonstrated that heat treatment could remove the ...

Nanomaterials Oct 11, 2022

Graphene improves circuits in flexible and wearable electronics

At 200 times stronger than steel, graphene has been hailed as a super material of the future since its discovery in 2004. The ultrathin carbon material is an incredibly strong electrical and thermal conductor, making it a ...

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