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Rocky Mountain Instruments - Infrared Optics LB

Semiconductor Interface Emits UV Light in Presence of Water

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Just a few molecules of water can cause a complex oxide material to emit intense UV light, a discovery that could have bearing on chemical sensors and optical computing. The phenomenon was observed by a team led by researchers at the University of Pennsylvania, who were studying a lanthanum aluminate film on a strontium titanate crystal. Reproducing the experimental conditions, they realized that water molecules on the surface played a role in emission of UV light from inside the material. In the presence of a water molecule on its surface, lanthanum aluminate film on a strontium...Read full article

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    Published: December 2015
    Research & TechnologyLEDsAmericasDrexelPennLight SourcesMaterialsPennsylvaniaUVTech Pulse

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