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

Other Condensed Matter 2009-11-11 v1
Authors: Marco Cecchini , Vincenzo Piazza , Fabio Beltram , D. G. Gevaux , M. B. Ward , A. J. Shields , H. E. Beere , D. A. Ritchie
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Abstract

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.

Keywords

surface acoustic wave electroluminescence light-emitting diode time-resolved measurement carrier injection

Cite

@article{arxiv.cond-mat/0501136,
  title  = {Surface acoustic wave-induced electroluminescence intensity oscillation in planar light-emitting devices},
  author = {Marco Cecchini and Vincenzo Piazza and Fabio Beltram and D. G. Gevaux and M. B. Ward and A. J. Shields and H. E. Beere and D. A. Ritchie},
  journal= {arXiv preprint arXiv:cond-mat/0501136},
  year   = {2009}
}

Comments

4 pages, 3 figures

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