Study of Exciton Dead Layers in GaN Scho
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Shokhovets, S. ;Fuhrmann, D. ;Goldhahn, R. ;Gobsch, G. ;Ambacher, O. ;Hermann, M
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Article
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2002
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John Wiley and Sons
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English
⚖ 98 KB
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For the first time, we observed exciton dead layers in Pt/GaN Schottky diodes with N and Ga-face polarity. We show that these layers determine the shape of electroreflectance and photocurrent spectra close to the band gap in dependence on the bias voltage. Analysis of experimental data using a spati