As insulators, metal oxides—also known as ceramics—may not seem like obvious candidates for electrical conductivity. While electrons zip back and forth in regular metals, their movement in ceramic materials is sluggish ...
Materials Science
Oct 22, 2020
0
57
Two teams working independently of each other have demonstrated designs for electrocaloric cooling that can change temperatures under an electric field. Both groups used lead scandium tantalate capacitors in their systems, ...
Experts from the Department of Prehistory and Archaeology of the University of Seville have just published a study in the prestigious journal PLOS ONE on an important archaeological find in the Cueva de la Dehesilla (Cádiz). ...
Archaeology
Sep 25, 2020
1
314
Ling Li has a lesson in one of his mechanical engineering courses on how brittle materials like calcium carbonate behave under stress. In it, he takes a piece of chalk composed of the compound and snaps it in half to show ...
Materials Science
Sep 11, 2020
0
78
Mid-infrared lasers have been widely used in imaging, detection, diagnostics, environmental monitoring, medicine, industry, defense and others. For mid-infrared laser systems, low phonon energy gain materials are key factors.
Materials Science
Sep 9, 2020
0
17
Analyzing three components of ceramic cooking pots—charred remains, inner surface residues and lipids absorbed within the ceramic walls—may help archaeologists uncover detailed timelines of culinary cooking practices ...
Archaeology
Aug 27, 2020
0
557
Microwave ovens are the mainstay of cooking appliances in our homes. Five years ago, when Reeja Jayan was a new professor at Carnegie Mellon University, she was intrigued by the idea of using microwaves to grow materials. ...
Materials Science
Aug 25, 2020
0
50
The fabrication of complex ceramic or glass structures via stereolithography, a type of 3-D printing, has long been held back by the length of time at the back end of the process, which can be up to two days. A new technique ...
Materials Science
Jun 25, 2020
0
5
A team of Brown University researchers has found a way to double the toughness of a ceramic material used to make solid-state lithium ion batteries. The strategy, described in the journal Matter, could be useful in bringing ...
Materials Science
Jun 18, 2020
0
123
A group of scientists from NUST MISIS developed a ceramic material with the highest melting point among currently known compounds. Due to the unique combination of physical, mechanical and thermal properties, the material ...
Materials Science
May 27, 2020
3
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