Optical properties of wurtzite structure GaN on sapphire around fundamental absorption edge (0.78–4.77 eV) by spectroscopic ellipsometry and the optical transmission method

Spectroscopic ellipsometry (SE) together with the optical transmission method is successfully used to determine the refractive index n and absorption coefficient α of undoped gallium nitride film over the spectral range of 0.78–4.77 eV of photon energy. The SE measurement is carried out at angle of...

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Veröffentlicht in:	Applied physics letters 1997-06, Vol.70 (24), p.3209-3211
Hauptverfasser:	Yu, G., Wang, G., Ishikawa, H., Umeno, M., Soga, T., Egawa, T., Watanabe, J., Jimbo, T.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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