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Optical properties of transition metal impurities in CdSe. I. Crystal-field spectra

✍ Scribed by J. M. Langer; J. M. Baranowski

Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
744 KB
Volume
44
Category
Article
ISSN
0370-1972

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✦ Synopsis

Abstract

The absorption spectra of Ti (d^2^), V (d^3^), Cr (d^4^), Fe (d^6^), Co (d^7^), Ni (d^8^), and Cu (d^9^) in CdSe crystals are presented. The main features of the spectra are successfully interpreted using crystal‐field theory for the states of 3d^n^ configuration in a potential of predominantly T~d~ symmetry. It is found that the oscillator strengths of the observed absorption bands are in the range 10^βˆ’2^to 10^βˆ’5^ due to transitions within the 3d^n^ shell. The crystal‐field parameters, Ξ”, and the Racah parameters, B and C, are determined where possible, and discussed.

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Crystal-field splittings and optical spe
Crystal-field splittings and optical spectra of transition-metal mixed-ligand complexes by effective Hamiltonian method
✍ A. V. Soudackov; A. L. Tchougreeff; I. A. Misurkin πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 818 KB

Many of the important properties of transition-metal complexes depend on the low-energy excitation spectrum formed by d-electrons of the central transition-metal atom. The spectra of this type are usually fit to the well-known crystal field theory or to the angular overlap model. The result of the f