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Researchers Use Photovoltage Measurements to Observe Quantum Spin Effects

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SINGAPORE, Aug. 15, 2018 — Scientists have observed specific spin phenomena in topological insulators and metals using a scanning photovoltage microscope. This new approach to examining quantum behavior of materials could yield information useful for building future quantum computing applications. Researchers from the National University of Singapore (NUS) imaged spin accumulations in topological insulators Bi2Se3 and BiSbTeSe2 and in a heavy metal platinum. An applied electrical current was used to influence the electron spin at the quantum level for all of these materials; and the scientists were able to...Read full article

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