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  • Leifer, Klaus, et al. (author)
  • Narrow (= 4 meV) inhomogeneous broadening and its correlation with confinement potential of pyramidal quantum dot arrays
  • 2007
  • In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 91:8, s. 081106-081106-3
  • Journal article (peer-reviewed)abstract
    • The inhomogeneous broadening in the luminescence spectra of ordered arrays of pyramidal GaAsAlGaAs semiconductor quantum dots (QDs) was studied as a function of the dot size. Dot arrays with inhomogeneous broadening as small as 4.1 meV and a corresponding ground state to first excited state transition separation of 28 meV were obtained. By evaluating the QD energy levels using a multiband kp model, the authors estimated that the observed inhomogeneous broadening corresponds to dot height fluctuations of about 1-2 ML across the array.
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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Watanabe, S. (1)
Leifer, Klaus (1)
Kapon, E. (1)
Dwir, B. (1)
Pelucchi, E. (1)
Michelini, F (1)
University
Uppsala University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2007 (1)

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