News tagged with aluminum oxide

Dielectric film has refractive index close to air

Researchers from North Carolina State University have developed a dielectric film that has optical and electrical properties similar to air, but is strong enough to be incorporated into electronic and photonic devices - making ...

dateOct 12, 2015 in Nanomaterials
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Nanotechnology changes behavior of materials

One of the reasons solar cells are not used more widely is cost—the materials used to make them most efficient are expensive. Engineers are exploring ways to print solar cells from inks, but the devices don't work as well.

dateJan 23, 2015 in Nanomaterials
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A coating that protects against heat and oxidation

Researchers have developed a coating technique that they plan to use to protect tur- bine engine and waste incinerator components against heat and oxidation. A topcoat from micro-scaled hollow aluminium oxide spheres provides ...

dateNov 04, 2014 in Engineering
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High performance ceramics for cars

An ambitious project is taking shape at Empa's Laboratory for High Performance Ceramics: ceramic brake disks for compact cars. Empa scientists have teamed up with partners from Italy, Spain and Liechtenstein to develop the ...

dateOct 03, 2014 in Engineering
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