The optical properties of wide bandgap binary II-VI superlattices

K. P. O'Donnell; P. J. Parbrook; F. Yang; X. Chen; D. J. Irvine; C. Trager-Cowan; B. Henderson; P. J. Wright; B. Cockayne

doi:10.1016/0022-0248(92)90800-X

The optical properties of wide bandgap binary II-VI superlattices

K. P. O'Donnell^*, P. J. Parbrook, F. Yang, X. Chen, D. J. Irvine, C. Trager-Cowan, B. Henderson, P. J. Wright, B. Cockayne

^*Corresponding author for this work

Physics

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

20 Citations (Scopus)

Abstract

Optical properties of binary Zn(Cd)S(Se) superlattices are reviewed. The absorption spectra of a range of ZnSe-ZnS strained layer superlattices (SLSs) are compared with the photoluminescence spectra to reveal the effects of disorder. Absorption line positions are accurately predicted in the envelope function approximation. The band offset diagram at heterojunctions in the Zn(Cd)S(Se) family of semiconductors is determined experimentally. The new SLS, CdS-ZnSe, is established as type-II. The effects of disorder on the temperature dependence and temporal decay of short-period common anion SLSs are quantified. Fluorescence line narrowing is reported in CdSe-ZnSe and CdS-ZnSe SLSs.

Original language	English
Pages (from-to)	497-500
Number of pages	4
Journal	Journal of Crystal Growth
Volume	117
Issue number	1-4
DOIs	https://doi.org/10.1016/0022-0248(92)90800-X
Publication status	Published - 2 Feb 1992

Keywords

fluorescence line narrowing
photoluminescence spectra
strained layer superlattice

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10.1016/0022-0248(92)90800-X

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title = "The optical properties of wide bandgap binary II-VI superlattices",

abstract = "Optical properties of binary Zn(Cd)S(Se) superlattices are reviewed. The absorption spectra of a range of ZnSe-ZnS strained layer superlattices (SLSs) are compared with the photoluminescence spectra to reveal the effects of disorder. Absorption line positions are accurately predicted in the envelope function approximation. The band offset diagram at heterojunctions in the Zn(Cd)S(Se) family of semiconductors is determined experimentally. The new SLS, CdS-ZnSe, is established as type-II. The effects of disorder on the temperature dependence and temporal decay of short-period common anion SLSs are quantified. Fluorescence line narrowing is reported in CdSe-ZnSe and CdS-ZnSe SLSs.",

keywords = "fluorescence line narrowing, photoluminescence spectra, strained layer superlattice",

author = "O'Donnell, {K. P.} and Parbrook, {P. J.} and F. Yang and X. Chen and Irvine, {D. J.} and C. Trager-Cowan and B. Henderson and Wright, {P. J.} and B. Cockayne",

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T1 - The optical properties of wide bandgap binary II-VI superlattices

AU - O'Donnell, K. P.

AU - Parbrook, P. J.

AU - Yang, F.

AU - Chen, X.

AU - Irvine, D. J.

AU - Trager-Cowan, C.

AU - Henderson, B.

AU - Wright, P. J.

AU - Cockayne, B.

PY - 1992/2/2

Y1 - 1992/2/2

N2 - Optical properties of binary Zn(Cd)S(Se) superlattices are reviewed. The absorption spectra of a range of ZnSe-ZnS strained layer superlattices (SLSs) are compared with the photoluminescence spectra to reveal the effects of disorder. Absorption line positions are accurately predicted in the envelope function approximation. The band offset diagram at heterojunctions in the Zn(Cd)S(Se) family of semiconductors is determined experimentally. The new SLS, CdS-ZnSe, is established as type-II. The effects of disorder on the temperature dependence and temporal decay of short-period common anion SLSs are quantified. Fluorescence line narrowing is reported in CdSe-ZnSe and CdS-ZnSe SLSs.

AB - Optical properties of binary Zn(Cd)S(Se) superlattices are reviewed. The absorption spectra of a range of ZnSe-ZnS strained layer superlattices (SLSs) are compared with the photoluminescence spectra to reveal the effects of disorder. Absorption line positions are accurately predicted in the envelope function approximation. The band offset diagram at heterojunctions in the Zn(Cd)S(Se) family of semiconductors is determined experimentally. The new SLS, CdS-ZnSe, is established as type-II. The effects of disorder on the temperature dependence and temporal decay of short-period common anion SLSs are quantified. Fluorescence line narrowing is reported in CdSe-ZnSe and CdS-ZnSe SLSs.

KW - fluorescence line narrowing

KW - photoluminescence spectra

KW - strained layer superlattice

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U2 - 10.1016/0022-0248(92)90800-X

DO - 10.1016/0022-0248(92)90800-X

M3 - Article

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SP - 497

EP - 500

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

IS - 1-4

ER -

The optical properties of wide bandgap binary II-VI superlattices

Abstract

Keywords

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