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Origin of the red luminescence in Mg-doped GaN
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10.1063/1.2220552
/content/aip/journal/apl/89/2/10.1063/1.2220552
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/2/10.1063/1.2220552
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

ODMR spectra detected from the spectral region for samples 626, 625, 624, and 623 (in order of increasing Mg concentration). The arrows show the values at obtained using a Lorentzian fitting procedure and correspond to the resonances indicated by vertical lines.

Image of FIG. 2.
FIG. 2.

(a) The low momentum parameter vs incident positron energy for the range of as-grown and annealed GaN samples; (b) the change of the midrange parameter with Mg concentration (filled circles) and the behavior of the integrated intensity of the red emission (filled triangles). The unfilled circle shows the midrange parameter for the most lightly doped specimen after annealing. The lines are guides to the eyes; (c) vs for the samples studied in the present work.

Image of FIG. 3.
FIG. 3.

Schematic diagram for the recombination process giving rise to the red, blue, and violet bands of GaN (the distinction, or otherwise, between EM and deeper donors is discussed in the text).

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/content/aip/journal/apl/89/2/10.1063/1.2220552
2006-07-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Origin of the red luminescence in Mg-doped GaN
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/2/10.1063/1.2220552
10.1063/1.2220552
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