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Large internal dipole moment in InGaN/GaN quantum dots
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10.1063/1.3477952
/content/aip/journal/apl/97/6/10.1063/1.3477952
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/6/10.1063/1.3477952
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Temporal evolution of CL spectra showing a single emission line from an InGaN/GaN QD. The intensity is coded in gray scale and the integration time for each spectrum is 100 ms. Circles result from Gaussian fits for the peak center energy. Ovals depict typical –patterns. One of them is presented in the inset, as time-dependence of energy shift. The solid curve in the inset results from a fit with [see Eq. (2)].

Image of FIG. 2.
FIG. 2.

Contour plot of the calculated exciton energy shift for a point charge at . The QD center is located at , . The circles represent results of Hartree calculations for each charge position. The color-coded contour plot results from a fit . Inset shows the energy shift of an emission line of the model QD for a charge of different lateral distances, , to the QD.

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/content/aip/journal/apl/97/6/10.1063/1.3477952
2010-08-09
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Large internal dipole moment in InGaN/GaN quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/6/10.1063/1.3477952
10.1063/1.3477952
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