Lateral inhomogeneity in InGaAs-GaAs quantum wire arrays by selective-area metalorganic chemical vapor deposition

M. L. Osowski, R. Panepucci, D. A. Turnbull, S. Q. Gu, A. M. Jones, S. G. Bishop, I. Adesida, J. J. Coleman

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We present an experimental characterization of InGaAs-GaAs quantum wire arrays grown by selective-area metalorganic chemical vapor deposition (MOCVD). The wire patterns studied were obtained by high-resolution electron-beam lithography on poly(methylmethacrylate) and wet etching of silicon dioxide. We observe a large nonlinear enhancement of growth inside the wire region. In addition, the results of gas phase diffusion growth simulations on the expected inhomogeneity of the fabricated quantum wires are presented. The degree of inhomogeneity of fabricated quantum wire arrays was studied by spatially resolved photoluminescence. Our results show that a suitable patterning technique, coupled with proper growth conditions, could allow control of the selective growth profile across the wire array.

Original languageEnglish
Pages (from-to)1087-1089
Number of pages3
JournalApplied Physics Letters
Volume68
Issue number8
DOIs
Publication statusPublished - 1996
Externally publishedYes

Fingerprint

quantum wires
metalorganic chemical vapor deposition
inhomogeneity
wire
lithography
etching
electron beams
vapor phases
silicon dioxide
photoluminescence
augmentation
high resolution
profiles
simulation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Osowski, M. L., Panepucci, R., Turnbull, D. A., Gu, S. Q., Jones, A. M., Bishop, S. G., ... Coleman, J. J. (1996). Lateral inhomogeneity in InGaAs-GaAs quantum wire arrays by selective-area metalorganic chemical vapor deposition. Applied Physics Letters, 68(8), 1087-1089. https://doi.org/10.1063/1.115721

Lateral inhomogeneity in InGaAs-GaAs quantum wire arrays by selective-area metalorganic chemical vapor deposition. / Osowski, M. L.; Panepucci, R.; Turnbull, D. A.; Gu, S. Q.; Jones, A. M.; Bishop, S. G.; Adesida, I.; Coleman, J. J.

In: Applied Physics Letters, Vol. 68, No. 8, 1996, p. 1087-1089.

Research output: Contribution to journalArticle

Osowski, ML, Panepucci, R, Turnbull, DA, Gu, SQ, Jones, AM, Bishop, SG, Adesida, I & Coleman, JJ 1996, 'Lateral inhomogeneity in InGaAs-GaAs quantum wire arrays by selective-area metalorganic chemical vapor deposition', Applied Physics Letters, vol. 68, no. 8, pp. 1087-1089. https://doi.org/10.1063/1.115721
Osowski, M. L. ; Panepucci, R. ; Turnbull, D. A. ; Gu, S. Q. ; Jones, A. M. ; Bishop, S. G. ; Adesida, I. ; Coleman, J. J. / Lateral inhomogeneity in InGaAs-GaAs quantum wire arrays by selective-area metalorganic chemical vapor deposition. In: Applied Physics Letters. 1996 ; Vol. 68, No. 8. pp. 1087-1089.
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