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Digitale Medien

Photocapacitance study of deep centers in ZnSe-based radiating structures (1984)

Korotkov, V. A. ; Nyaga, A. I. ; Simashkevich, A. V.

Springer

Russian physics journal 27 (1984), S. 594-597

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Details

ISSN: 1573-9228

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The photocapacitance method is used to study ZnSe-Au and ZnSe-ZnO(SiO2) barrier structures in order to investigate deep centers in ZnSe crystals annealed in liquid zinc and subjected to additional thermoprocessing in a vacuum. The energy levels of the deep centers producing photocapacitance are determined. In crystals annealed for 4.5 h acceptor levels with ionization energies of 0.28, 0.36, 0.58, and 0.71 eV are found. With increase in anealing period to 100 h only the level with ionization energy of 0.58 eV appears, leading to a decrease in intensity of the yellow-green band and an increase in intensity of blue scintillation in the electroluminescence spectra.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00897455

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