Hydrostatic-pressure studies of confined transitions in cubic Zn1-xCdxSe/ZnSe strained-layer quantum wells

R. J. Thomas; H. R. Chandrasekhar; M. Chandrasekhar; N. Samarth; H. Luo; J. Furdyna

doi:10.1103/PhysRevB.45.9505

Hydrostatic-pressure studies of confined transitions in cubic Zn1-xCdxSe/ZnSe strained-layer quantum wells

R. J. Thomas, H. R. Chandrasekhar, M. Chandrasekhar, N. Samarth, H. Luo, J. Furdyna

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Abstract

Photoluminescence spectra of cubic Zn0.82Cd0.18Se quantum wells of widths 30, 60, and 200 are studied as a function of hydrostatic pressure (060 kbar) at 80 K. The pressure coefficients of heavy-hole excitons are found to decrease with increasing well width. The photoluminescence energies of the ZnSe barrier and cap layers are also observed to shift as a function of hydrostatic pressure, providing a measure of the pressure coefficient of the direct gap in this material.

Original language	English (US)
Pages (from-to)	9505-9508
Number of pages	4
Journal	Physical Review B
Volume	45
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.45.9505
State	Published - 1992

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.45.9505

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abstract = "Photoluminescence spectra of cubic Zn0.82Cd0.18Se quantum wells of widths 30, 60, and 200 are studied as a function of hydrostatic pressure (060 kbar) at 80 K. The pressure coefficients of heavy-hole excitons are found to decrease with increasing well width. The photoluminescence energies of the ZnSe barrier and cap layers are also observed to shift as a function of hydrostatic pressure, providing a measure of the pressure coefficient of the direct gap in this material.",

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AU - Thomas, R. J.

AU - Chandrasekhar, H. R.

AU - Chandrasekhar, M.

AU - Samarth, N.

AU - Luo, H.

AU - Furdyna, J.

PY - 1992

Y1 - 1992

N2 - Photoluminescence spectra of cubic Zn0.82Cd0.18Se quantum wells of widths 30, 60, and 200 are studied as a function of hydrostatic pressure (060 kbar) at 80 K. The pressure coefficients of heavy-hole excitons are found to decrease with increasing well width. The photoluminescence energies of the ZnSe barrier and cap layers are also observed to shift as a function of hydrostatic pressure, providing a measure of the pressure coefficient of the direct gap in this material.

AB - Photoluminescence spectra of cubic Zn0.82Cd0.18Se quantum wells of widths 30, 60, and 200 are studied as a function of hydrostatic pressure (060 kbar) at 80 K. The pressure coefficients of heavy-hole excitons are found to decrease with increasing well width. The photoluminescence energies of the ZnSe barrier and cap layers are also observed to shift as a function of hydrostatic pressure, providing a measure of the pressure coefficient of the direct gap in this material.

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JO - Physical Review B

JF - Physical Review B

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Hydrostatic-pressure studies of confined transitions in cubic Zn1-xCdxSe/ZnSe strained-layer quantum wells

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