Toshiba Corporation announced today that the company has developed a high-iron concentration samarium-cobalt magnet that is free of dysprosium, a rare earth mineral that is in extremely short supply and increasingly expensive. ...
Electronics & Semiconductors
Aug 16, 2012
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Photocatalytic splitting of water uses sunlight to split water into hydrogen and oxygen. It is an environmentally friendly way to obtain hydrogen for fuel cells. In the journal Angewandte Chemie, Japanese researchers have ...
Materials Science
Sep 17, 2013
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Nanoclusters (NCs) are crystalline materials that typically exist on the nanometer scale. They are composed of atoms or molecules in combination with metals like cobalt, nickel, iron, and platinum, and have found several ...
Nanomaterials
Jan 30, 2024
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127
Ancient alchemists tried to turn lead and other common metals into gold and platinum. Modern chemists in Paul Chirik's lab at Princeton are transforming reactions that have depended on environmentally unfriendly precious ...
Materials Science
Jun 14, 2018
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134
(Phys.org)—A team of chemists at Columbia University in New York has for the first time linked together superatoms to make new types of molecules. As they note in their paper published in the journal Nano Letters, the technique ...
A nanosize squeeze can significantly boost the performance of platinum catalysts that help generate energy in fuel cells, according to a new study by Stanford scientists.
Materials Science
Nov 24, 2016
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555
Scientists have been interested in superconductors—materials that transmit electricity without losing energy—for a long time because of their potential for advancing sustainable energy production. However, major advances ...
Superconductivity
Mar 3, 2020
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1359
Hydrogen production through steam reforming biomass-derived compounds is an economically feasible and environmentally benign way to efficiently use renewable energy resources. A study by scientists at Pacific Northwest National ...
Materials Science
Apr 19, 2016
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593
(Phys.org) —Humans have for ages taken cues from nature to build their own devices, but duplicating the steps in the complicated electronic dance of photosynthesis remains one of the biggest challenges and opportunities ...
Materials Science
Jan 14, 2014
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(Phys.org) —A team of researchers working in Switzerland with members from institutions in that country, the U.S. and Germany has found that the magnetic state of atoms placed on a graphene sheet are impacted by the type ...
