Surface acoustic wave-induced electroluminescence intensity oscillation in planar light-emitting devices

A. J. Shields; D. A. Ritchie; D. G. Gevaux; Fabio Beltram; H. E. Beere; Marco Cecchini; M. B. Ward; Vincenzo Piazza

arxiv: cond-mat/0501136 · v1 · submitted 2005-01-07 · ❄️ cond-mat.other

Surface acoustic wave-induced electroluminescence intensity oscillation in planar light-emitting devices

Marco Cecchini , Vincenzo Piazza , Fabio Beltram , D. G. Gevaux , M. B. Ward , A. J. Shields , H. E. Beere , D. A. Ritchie This is my paper

classification ❄️ cond-mat.other

keywords electroluminescenceacousticintensitylight-emittingsurfacedemonstratingdevicesdiodes

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Electroluminescence emission from surface acoustic wave-driven light-emitting diodes (SAWLEDs) is studied by means of time-resolved techniques. We show that the intensity of the SAW-induced electroluminescence is modulated at the SAW frequency (~1 GHz), demonstrating electron injection into the p-type region synchronous with the SAW wavefronts.

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Surface acoustic wave-induced electroluminescence intensity oscillation in planar light-emitting devices

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