Energy States of Ni in Zn1-xMnxSe:Ni Solid Solutions |
| S.A. Permogorov, L.N. Tenishev A.F. Ioffe Physical-Technical Institute, Russian Academy of Sciences, Politechnicheskaya 26, 194021 St.-Petersburg, Russia V.I. Sokolov and T.P. Surkova Institute of Metal Physics, Russian Academy of Sciences, Ural Department, Kovalevskaya 18, 620219 Ekaterinburg, GSP-170, Russia |
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| Absorption and reflectivity measurements were carried out on Zn1-xMnxSe:Ni solid solutions. The spectra demonstrate the radical change of the structure of internal Ni2+(3d8) transitions at the presence of the Mn ions and strong dependence on Mn concentration. The threshold energy ħωth for the process of Ni photoionization to the valence band Ni2+(3d8) + ħωth → Ni1+(3d9) + h is shifted to the lower energy by 30 meV, but hardly depends on x despite the essential increase in the energy gap. |
| DOI: 10.12693/APhysPolA.82.705 PACS numbers: 78.20.Wc, 78.50.Ge |