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Valence-band mixing effects in the exciton capture and escape in quantum-well structures
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10.1063/1.2811937
/content/aip/journal/jap/102/9/10.1063/1.2811937
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/9/10.1063/1.2811937
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Band edges of the separate confinement heterostructure quantum well.

Image of FIG. 2.
FIG. 2.

(Color online) Valence-band structure: 15 nm, Al QW.

Image of FIG. 3.
FIG. 3.

(Color online) Effective mass of holes (in units of free-electron mass). The solid line: no band mixing; dashed line: 5-nm QW with band mixing; dotted line: 15-nm QW without band mixing.

Image of FIG. 4.
FIG. 4.

(Color online) Capture times from 3D HH- state to 2D HH1- state and to 2D HH1 continuous states. Solid line and dotted line: no band mixing; dashed line and dash-dot line: with band mixing.

Image of FIG. 5.
FIG. 5.

(Color online) In-plane interaction integrals as functions of normalized in-plane phonon momentum for the 15-nm-wide QW. The diamonds mark the integral values of Al quantum wells. They correspond to different normalized momentum values in a parabolic model and a band mixing model due to different effective mass of hole.

Image of FIG. 6.
FIG. 6.

(Color online) Escape times from 2D HH1- state to 3D HH- state. Solid line: no band mixing; dashed line: with band mixing.

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/content/aip/journal/jap/102/9/10.1063/1.2811937
2007-11-14
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Valence-band mixing effects in the exciton capture and escape in quantum-well structures
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/9/10.1063/1.2811937
10.1063/1.2811937
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