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Anomalous two-photon generation of excitons in CuCl pellets
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10.1063/1.2841043
/content/aip/journal/apl/92/5/10.1063/1.2841043
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/5/10.1063/1.2841043
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Time-integrated PL spectra at from sample 1 for several excitation energies tuned below the bandgap. The corresponding excitation-power flux is about . The free exciton PL is very weak, implying that exciton-impurity capture is efficient.

Image of FIG. 2.
FIG. 2.

(a) Time-integrated PL spectra from sample 2 at under OTGE for . The inset plots the observed redshift of the biexciton peak as a function of the excitation power. (b) Time-integrated PL spectra under ATPE at for .

Image of FIG. 3.
FIG. 3.

Measured steady-state densities for (solid dots) and (open circles) from Fig. 2(a) (OTGE) and (solid squares) and (open squares) from Fig. 2(b) (ATPE), respectively. The dashed (solid) curves are our best fits to the data under one-photon (two-photon) excitation of excitons.

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/content/aip/journal/apl/92/5/10.1063/1.2841043
2008-02-07
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Anomalous two-photon generation of excitons in CuCl pellets
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/5/10.1063/1.2841043
10.1063/1.2841043
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