Nonradiative investigation of hole photoionization spectrum of EL2 in carbon concentration controlled semi-insulating GaAs

Piezoelectric photoacoustic (PPA) measurements were carried out before and after secondary light illumination to investigate EL2 in carbon concentration controlled semi-insulating (SI) GaAs. The PPA spectra before secondary light illumination show a broad peak around 0.95 eV and a hump up to the ban...

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Veröffentlicht in:	Japanese Journal of Applied Physics 1997-06, Vol.36 (6A), p.L650-L653
Hauptverfasser:	FUKUYAMA, A, MOROOKA, Y, AKASHI, Y, YOSHINO, K, MAEDA, K, IKARI, T
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states Exact sciences and technology Iii-v semiconductors Impurity and defect levels Physics
Online-Zugang:	Volltext
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