Journal of Physical Studies 7(1), 118–120 (2003) DOI: https://doi.org/10.30970/jps.07.118 ОPTICAL AND PHOTO-ELECTRIC PROPERTIES OF ACCEPTOR COPPER IONS IN CRYSTALS CdS R. V. Gamernik1, O. A. Grypa1, A. S. Krochuk1, B. V. Tybinka2 1Ivan Franko National University of Lviv, Department of Physics, 8 Kyryla i Mefodia Str., Lviv, 79005, Ukraine Superlab@Franko.Lviv.UA 2State University ‟Lvivska Politekhnika", Bandera Str., Lviv, UA-79013, Ukraine

Photoionization of the different charging states in CdSe:Cu, CdS:Cu single crystals has been investigated by methods of the optical absorption, photoconductivity and barrier-layer photocurrent. Anisotropic character of the doped complex, which includes Cu$^{+}$, Cu$^{3+}$ ions is revealed. The compensation in CdSe:Cu, CdS:Cu single crystals by the Cu$^{+}$, Cu$^{3+}$ ions is determined.

PACS number(s): 78.55.Fv, 61.72.$-$y, 81.10.Fq

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