Search results for carbide

Analytical Chemistry Nov 28, 2022

Exploring how uranium takes an alternate pathway under extreme conditions

Under normal conditions, radioactive materials such as uranium work in a predictable manner.

Astronomy Nov 18, 2022

How Webb's NIRSpec instrument opened up 200 windows to our origins

Astronomy is driven by big questions, and they don't come much bigger than wondering how the first stars and galaxies began to form—eventually giving rise to our own existence.

Analytical Chemistry Nov 17, 2022

Trial by wind: Testing the heat resistance of carbon fiber-reinforced ultra-high-temperature ceramic matrix composites

Carbon fiber-reinforced carbon (C/C) is a composite material made of carbon fiber reinforced in a matrix of glassy carbon or graphite. It is best known as the material used in hypersonic vehicles and space shuttle orbiters, ...

Analytical Chemistry Nov 17, 2022

New technique to synthesize Pt-single-atom catalysts with ultrahigh mass activity

Hydrogen is a promising clean energy carrier due to its highest gravimetric energy density and zero carbon dioxide emissions. The noble metal platinum (Pt) is the most effective catalyst for electrochemical water splitting ...

Economics & Business Nov 8, 2022

Large common share ownership positively associated with social responsibility, says research

Large asset managers holding shares in multiple companies across the same industry are often accused of hurting competition through the substantial concentration of ownership in the hands of a relative few. Investors such ...

General Physics Oct 28, 2022

How do neutrons interact with reactor materials?

Many applications rely on global theoretical models of how neutrons interact with nuclei over a wide range of incident neutron energies. These applications range from energy production to homeland security to medical treatments. ...

Nanophysics Oct 27, 2022

Maximizing ion accessibility in nanoscale ion-channel MXene electrodes for zinc-ion energy storage

With highly hydrophilic surfaces and superior metal conductivity, two-dimensional transition-metal carbides (MXenes) are highly valuable in the field of electrochemical energy storage. However, the easy stacking inclination ...

Optics & Photonics Oct 26, 2022

Creating the world's largest SiC aspherical mirror

Aspherical components in optical systems can increase the free design variables without introducing new aberrations. That brings improved imaging quality and reduced size and weight. Aspheric components are widely used in ...

Nanophysics Oct 19, 2022

MXene composite could eliminate electromagnetic interference by absorbing it

A recent discovery by materials science researchers in Drexel University's College of Engineering might one day prevent electronic devices and components from going haywire when they're too close to one another. A special ...

Materials Science Oct 11, 2022

Heat-proof chaotic carbides could revolutionize aerospace technology

A group of scientists led by Duke University have engineered a new class of materials capable of producing tunable plasmonic properties while withstanding incredibly high temperatures.

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