Acceptor-related photoluminescence spectra of GaAs quantum-wire microcrystals: A model calculation

Luiz E. Oliveira, N. Porras-Montenegro, and Andrea Latgé
Phys. Rev. B 47, 13864 – Published 15 May 1993
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Abstract

The acceptor-related photoluminescence spectrum of a GaAs quantum-wire microcrystal is investigated theoretically using a model calculation within the effective-mass approximation, with the acceptor envelope wave functions and binding energies calculated by a variational procedure. Typical theoretical photoluminescence spectra show two peaks associated with transitions from the n=1 conduction-subband electron gas to acceptors at the on-center and on-edge positions in the wire, in good agreement with the recent experimental results by Hiruma et al. [Appl. Phys. Lett. 59, 431 (1991)].

  • Received 3 December 1992

DOI:https://doi.org/10.1103/PhysRevB.47.13864

©1993 American Physical Society

Authors & Affiliations

Luiz E. Oliveira

  • Instituto de Física, UNICAMP, Caixa Postal 6165, Campinas, São Paulo 13081, Brazil

N. Porras-Montenegro

  • Departamento de Física, Universidad del Valle, A 25360, Cali, Colombia

Andrea Latgé

  • Instituto de Física, Universidade Federal Fluminense, Niterói, Rio de Janeiro 24020, Brazil

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Vol. 47, Iss. 20 — 15 May 1993

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