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Photoluminescence lifetimes of Si quantum dots
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10.1063/1.2356907
/content/aip/journal/jap/100/7/10.1063/1.2356907
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/7/10.1063/1.2356907
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The electron energy levels vs the dot direction from the [001] valleys (solid line), the [100] valleys (dotted lines), and the [010] valleys (dashed line) for a cubic dot of width (a) and for an orthogonal dot with and (b).

Image of FIG. 2.
FIG. 2.

The lifetime vs the dot direction for a cubic dot of width for the [001] level (dots), the [100] level (squares), and the total lifetime (thick solid line). The solid lines through the symbols are guides for the eyes.

Image of FIG. 3.
FIG. 3.

The lifetime vs the dot direction for a cubic dot of width for the [001] level (dots), the [100] level (squares), and the total lifetime (thick solid line). The solid lines through the symbols are guides for the eyes.

Image of FIG. 4.
FIG. 4.

The lifetime as a function of the dot diameter. The dots are for the total lifetime including zero phonon and phonon-assisted transition. The squares are for the phonon assisted contribution to the lifetime.

Image of FIG. 5.
FIG. 5.

Calculated recombination rate of an excited electron-hole pair in silicon dots with respect to the photon energy at (dots). Calculated values using the LCAO technique (Ref. 19) are also plotted with crosses for comparison.

Image of FIG. 6.
FIG. 6.

The effect of shape nonuniformity for two crystallographic orientations: 0° (a) and 45° (b). The dots are for cubic dots; squares ( ) and triangles ( ) are for elongated dots.

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/content/aip/journal/jap/100/7/10.1063/1.2356907
2006-10-10
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photoluminescence lifetimes of Si quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/7/10.1063/1.2356907
10.1063/1.2356907
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