Photoneutralization of the Fe3+ Centers in the ZnSe Crystals Heavily Doped with Iron |
| A. Lubomirska-Wittlin, A.J. Szadkowski Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland and M. Demianiuk Institute of Technical Physics, WAT, Warszawa, Poland |
| Received: August 8, 1990 |
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| Photoconductivity and optical quenching of the photoconductivity were measured. The photoneutralization of the Fe3+ centres has been found to occur for photon energies down to 0.8 eV (i.e. the threshold can not be at 1.1 eV, as often quoted). The conclusion from our previous paper that the lattice relaxation energy is small, has been confirmed. It has to be smaller than 0.1 eV. |
| DOI: 10.12693/APhysPolA.79.337 PACS numbers: 71.55.Gs, 72.40.+w |