Further evidence for quantum confinement in porous silicon

R. Behrensmeier; Fereydoon Namavar; G. B. Amisola; F. A. Otter; J. M. Galligan

doi:10.1063/1.109380

Further evidence for quantum confinement in porous silicon

R. Behrensmeier, Fereydoon Namavar, G. B. Amisola, F. A. Otter, J. M. Galligan

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

The origin of the photoluminescence (PL) of porous silicon is being extensively investigated. In this letter, we offer detailed analyses of the PL spectra, of which about 3%-5% show small extrema that superimpose the larger main peak. Spacing between these smaller maxima is reproducible and independent of the main peak energy and sample history, while energy steps between them correlate with differences in the exciton energies due to changing the sizes of the quantum wires by complete monolayers of atoms.

Original language	English (US)
Pages (from-to)	2408-2410
Number of pages	3
Journal	Applied Physics Letters
Volume	62
Issue number	19
DOIs	https://doi.org/10.1063/1.109380
State	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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author = "R. Behrensmeier and Fereydoon Namavar and Amisola, {G. B.} and Otter, {F. A.} and Galligan, {J. M.}",

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AU - Behrensmeier, R.

AU - Namavar, Fereydoon

AU - Amisola, G. B.

AU - Otter, F. A.

AU - Galligan, J. M.

PY - 1993

Y1 - 1993

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AB - The origin of the photoluminescence (PL) of porous silicon is being extensively investigated. In this letter, we offer detailed analyses of the PL spectra, of which about 3%-5% show small extrema that superimpose the larger main peak. Spacing between these smaller maxima is reproducible and independent of the main peak energy and sample history, while energy steps between them correlate with differences in the exciton energies due to changing the sizes of the quantum wires by complete monolayers of atoms.

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Further evidence for quantum confinement in porous silicon

Abstract

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