Optical properties near the band gap on hexagonal and cubic GaN

Okumura, H.; Yoshida, S.
May 1994
Applied Physics Letters;5/30/1994, Vol. 64 Issue 22, p2997
Academic Journal
Examines the measurement of photoluminescence and optical reflection spectra of cubic and hexagonal GaN films grown on gallium arsenide and 3C-SiC substrates. Performance of gas-source molecular beam epitaxy using microwave-activated NH[sub 3] source; Improvement of epilayer crystalline quality; Suggestion of cubic gallium nitride for the band gap.


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