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Gallium concentration dependence of room-temperature near-band-edge luminescence in -type
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10.1063/1.1776630
/content/aip/journal/apl/85/5/10.1063/1.1776630
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/5/10.1063/1.1776630
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Room-temperature photoluminescence spectra (left-hand side) of -type doped at different concentrations. Also shown are the corresponding absorption spectra (right-hand side). (b) An energy diagram of doped illustrating the corresponding optical transition thresholds.

Image of FIG. 2.
FIG. 2.

Integrated emission intensity of the near-band-edge transition of -type as a function of the doping concentration.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Optical band gap vs electron density for films as obtained from experimental data (closed circles) and a computed result (solid curves). A solid curve refers to the theory for polar semiconductors including self-energy shift which is cited from Ref. 1. Also shown by open squares are the PL Stokes shifts (b).

Image of FIG. 4.
FIG. 4.

(Color online) Experimental linewidth of the near-band-edge transition of -type as a function of the doping concentration. Also shown are the theoretical thermal broadening and broadening due to random impurity concentration fluctuations.

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/content/aip/journal/apl/85/5/10.1063/1.1776630
2004-07-27
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Gallium concentration dependence of room-temperature near-band-edge luminescence in n-type ZnO:Ga
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/5/10.1063/1.1776630
10.1063/1.1776630
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