Skip to main content Accessibility help
×
Home

Luminescence efficiency of InGaN/GaN quantum wells on bulk GaN substrate

  • Matthias Dworzak (a1), Thomas Stempel (a2), Axel Hoffmann (a3), Gijs Franssen (a4), Tadeusz Suski (a5), R. Czernecki (a6), M. Leszczynski (a7) and I. Grzegory (a8)...

Abstract

Time-integrated and time-resolved photoluminescence measurements on InGaN quantum wells grown by MOCVD on two different substrates (sapphire and GaN) show that the lumi-nescence efficiency in these structures strongly depends on the intensity of carrier excitation. While at low excitation densities the recombination of excited carriers is governed by local-ization effects the behavior drastically changes at higher densities. At room temperature a suppression of nonradiative recombination could be observed that leads to an super linear increase of the luminescence.

Copyright

References

Hide All
1. Nakamura, S., Fasol, G., The Blue Laser Diode (Springer, Berlin 1997).
2. O'Donnel, K.P., Martin, R.W., Middleton, P.G., Phys. Rev. Lett. 82, 237 (1999).
3. Grzegory, I., Boćkowski, M., Krukowski, S., Łucznik, B., Wróblewski, M., Weyher, J. L., Leszczynski, M., Prystawko, P., Czernecki, R., Lehnert, J., Nowak, G., Perlin, P., Teisseyre, H., Purgal, W., Krupczynski, W., Suski, T., Dmowski, L., Litwin-Staszewska, E., Skierbiszewski, C., Łepkowski, S., and Porowski, S., Acta Phys. Pol. A 100, 229 (2001).
4. Franssen, G., Suski, T., Perlin, P., Bohdan, R., Bercha, A., Trzeciakowski, W., Makarowa, I., Prystawko, P., Leszciynski, M., Grzegory, I., Porowski, S., Kokenyesi, S., Appl. Phys. Lett. 87, 041109 (2005).
5. Christen, J., Bimberg, D., Phys. Rev. B 42, 7213 (1990).
6. Zimmermann, R., Runge, E., Phys. Stat. Sol. (a) 164, 511 (1997).
7. Bell, A., Christen, J., Bertram, F., Ponce, F., Marui, H., and Tanaka, S., Appl. Phys. Lett 84, 58 (2004).
8. Gurioli, M., Vinattieri, A., Colocci, M., Deparis, C., Massies, J., Neu, G., Bosacchi, A., Franchi, S., Phys. Rev. B 44, 3115 (1991)

Keywords

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed