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2014 MRS Spring Meeting


F6.01 - GaAs Nanowire-Based Heterostructures for Photonics Applications


Apr 24, 2014 8:00am ‐ Apr 24, 2014 8:30am

Description

Nanowires are filamentary crystals with a tailored diameter in the nanoscale range. Their especial morphology and dimensions render them especially interesting for the study of low dimensional phenomena and for opto-electronic and energy harvesting applications. In this presentation, I will explain how to synthetize high quality nanowire based heterostructures with molecular beam epitaxy for photonic applications. In particular, I will show two of our latest results obtained with self-catalyzed GaAs nanowires:

  1. The formation of extremely high quality GaAs quantum dots in an AlGaAs shell to be used in quantum information technology
  2. The advantages of nanowires in next generation photovoltaics which constitute a potential way to overcome the Shockley-Queisser limit in efficiency.

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