Wide Band Gap Chalcogenide Semiconductors Scientists at UC Berkeley / Berkeley Lab (R. Woods-Robinson and K. Persson) and the National Renewable Energy Laboratory have released a comprehensive review of a unique, emerging class of materials called “wide band gap chalcogenide semiconductors”. These are materials composed of chalcogen elements (sulfur, selenium, and tellurium) that are both…

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Crystal with a twist: scientists grow spiraling new material Prof. Jie Yao’s team have created new inorganic crystals made of stacks of atomically thin sheets that unexpectedly spiral like a nanoscale card deck. Their surprising structures, reported in a new study appearing in the Wednesday, June 20 issue of the journal Nature, may yield unique optical, electronic and…

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