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Transition Metal Impurities and Electronic Structure of ZnSe-Based Isovalent Semiconductor Alloys

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Surkova T. P., Giriat W., Godlewski M., Permogorov S.

Acta Physica Polonica A

1997

vol. 92

issue 5

1009-1012

Energy level positions of the nickel 2+/1+ and cobalt 2+/3+ charge states have been used to estimate band edges for the valence and conduction bands of ZnSe-based alloys with cation (ZnCdSe) and anion (ZnSSe) substitution. Chemical trends in band offsets of heterostructures of Zn- or Mn-based II-VI compounds are analysed. Further on, the change of Ni^{2+}(3d^{8}) and Co^{2+}(3d^{7}) intra-d shell transition bands upon the alloying of host material is discussed.

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1 Acta Physica Polonica A

1 1997

1 Giriat W.

1 Godlewski M.

1 Permogorov S.

1 Surkova T. P.

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Transition Metal Impurities and Electronic Structure of ZnSe-Based Isovalent Semiconductor Alloys