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Researchers steer the flow of electrical current with spinning light


December 18, 2017

Light can generate an electrical current in semiconductor materials. To collect the generated electrical current, called photocurrent, an electric voltage is needed to force the current to flow in only one direction. In new research, scientists at the University of Minnesota used a first-of-its-kind device to demonstrate a way to control the direction of the photocurrent without deploying an electric voltage.  Full Story

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University of Minnesota

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2018, its budget is $7.8 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 50,000 competitive proposals for funding and makes about 12,000 new funding awards.

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