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Modulation spectroscopic investigation on lattice polarity of gallium nitride
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10.1063/1.2764115
/content/aip/journal/apl/91/6/10.1063/1.2764115
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/6/10.1063/1.2764115

Figures

Image of FIG. 1.
FIG. 1.

Dispersion relations of (a) the optical constants and for GaN, (b) probing depth of the probe light, and (c) calculated phase shift due to the Seraphin constants.

Image of FIG. 2.
FIG. 2.

(a) Estimated field distribution and band profile for the representative GaN film based on the results of KFM and -Raman analyses,6 and (b) the schematic illustrations of the modulation mechanisms of PR (upper half) and CER (lower half) for both and GaN faces where the dotted and solid curves represent the initial and modulated band profiles, respectively.

Image of FIG. 3.
FIG. 3.

(a) Comparison between the PR and CER spectra and (b) the results of least-squares fitting analysis of CER spectral line shape of GaN films.

Tables

Generic image for table
Table I.

Lattice polarities, growth conditions, thicknesses, and parameters obtained by fitting analysis of CER spectral shapes for the GaN samples.

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/content/aip/journal/apl/91/6/10.1063/1.2764115
2007-08-09
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Modulation spectroscopic investigation on lattice polarity of gallium nitride
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/6/10.1063/1.2764115
10.1063/1.2764115
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