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Carrier storage and capture dynamics in quantum-dot heterostructures

Applied Physics Letters, ISSN: 0003-6951, Vol: 82, Issue: 21, Page: 3761-3763
2003
  • 15
    Citations
  • 0
    Usage
  • 19
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    15
    • Citation Indexes
      15
  • Captures
    19

Article Description

Single dot photoluminescence and ensemble time-resolved photoluminescence was used to demonstrate bias-controlled hole storage and capture in charge-tunable heterostructures. The measurements revealed that by appropriate biasing of the device, about 90% of photogenerated holes can be stored at an interface near to the nanostructures. The capture rate dependence on applied electric field showed that the valence band confinement potential is 'soft' in the capping layer.

Bibliographic Details

J. M. Smith; P. A. Dalgarno; B. Urbaszek; E. J. McGhee; G. S. Buller; G. J. Nott; R. J. Warburton; J. M. Garcia; W. Schoenfeld; P. M. Petroff

AIP Publishing

Physics and Astronomy

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