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Nature of low-energy optical emission in doped heterostructures
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10.1063/1.2434821
/content/aip/journal/jap/101/3/10.1063/1.2434821
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/3/10.1063/1.2434821
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

PL spectra of the heterostructures measured with the photoexcitation from the front-face side: the dashed curve corresponds to UID heterostructure (U), the solid curve corresponds to MD heterostructure (D). Inset: photoreflectance spectrum of the MD heterostructure (D), .

Image of FIG. 2.
FIG. 2.

Low-temperature PL spectra of UID heterostructure (U) measured with the photoexcitation from the front-face side (solid curve) and back-face side (dashed curve). PL spectrum of GaN film (dotted curve) is shown for comparison.

Image of FIG. 3.
FIG. 3.

Low-temperature PL spectra of MD heterostructure (D) measured with the photoexcitation from the front-face side (solid curve) and back-face side (dashed curve). PL spectrum of GaN film (dotted curve) is shown for comparison.

Image of FIG. 4.
FIG. 4.

Self-consistently calculated potential profile for UID (U) and MD (D) heterostructures.

Image of FIG. 5.
FIG. 5.

Enlarged potential profile and electron wave functions for UID (U) and MD (D) heterostructures for the region of the triangular quantum well with 2DEG.

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/content/aip/journal/jap/101/3/10.1063/1.2434821
2007-02-07
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nature of low-energy optical emission in doped AlGaN∕GaN heterostructures
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/3/10.1063/1.2434821
10.1063/1.2434821
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