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Anomalous tunneling effect on photoluminescence of asymmetric coupled double quantum wells
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10.1063/1.2757091
/content/aip/journal/apl/91/6/10.1063/1.2757091
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/6/10.1063/1.2757091
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic structure of all the samples (a) and detailed parameters of active layer for AS-QW (b), CS-WQW (c), and CS-NQW (d).

Image of FIG. 2.
FIG. 2.

PL spectra for the AS-QW (a) and the CS-QW (b) at temperatures of 15 and .

Image of FIG. 3.
FIG. 3.

Temperature dependences of integrated PL intensity for the AS-QW (a) and CS-QW (b). The inserts show the temperature dependent spectra of AS-QW and CS-QW, respectively.

Image of FIG. 4.
FIG. 4.

Conduction band edge of the AS-QW. and represent, respectively, the ground state energy level (electron density) and a certain excited state energy level (electron density) of the AS-WQW, as well as and for the AS-NQW.

Image of FIG. 5.
FIG. 5.

Temperature dependences of integrated PL intensity of the AS-NQW at varied excitation powers of 50 (a), 9.3 (b), 6.7 (c), 4.5 (d), 2.4 (e), 1.7 (f), 0.9 (g), 0.5 (h), and (i), respectively.

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/content/aip/journal/apl/91/6/10.1063/1.2757091
2007-08-06
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Anomalous tunneling effect on photoluminescence of asymmetric coupled double InGaN∕GaN quantum wells
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/6/10.1063/1.2757091
10.1063/1.2757091
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