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Dynamics of bound excitons versus thickness in freestanding GaN wafers grown by halide vapor phase epitaxy

โœ Scribed by Pozina, G.; Hemmingsson, C.; Bergman, J. P.; Trinh, D.; Hultman, L.; Monemar, B.


Book ID
126836527
Publisher
American Institute of Physics
Year
2007
Tongue
English
Weight
371 KB
Volume
90
Category
Article
ISSN
0003-6951

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Dynamics of the Bound Excitons in GaN Ep
โœ G. Pozina; J.P. Bergman; T. Paskova; B. Monemar ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 148 KB ๐Ÿ‘ 2 views

We report on time-integrated and time-resolved photoluminescence (PL) measurements in 80 mm thick GaN layers grown by hydride vapor phase epitaxy on sapphire substrates. The PL spectra are dominated by free exciton transitions and by three well-resolved emissions assigned to the neutral-donor-bound