News tagged with optical absorption

Does dark magma lurk in deep Earth?

(Phys.org) —A key to understanding Earth's evolution is to look deep into the lower mantle—a region some 400 to 1,800 miles (660 to 2,900 kilometers) below the surface, just above the core. Data have ...

Nov 13, 2014
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Addressing the weak optical absorption of graphene

Graphene-based photodetectors have attracted strong interest because of their exceptional physical properties, which include an ultra-fast response across a broad spectrum, a strong electron–electron interaction ...

Sep 10, 2014
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