Spin-Orbit Coupling in Cr^{3+} Ion in Solid State Materials

• Authors: A.J. Wojtowicz , M. Grinberg , A. Łempicki
• Languages of publication: EN

Abstracts

EN

In this paper we introduce a new model describing the coupling of ^{2}E and ^{4}T_{2} states of octahedrally coordinated Cr^{3+} ion, which includes spin-orbit and electron-lattice interactions and takes into account the electronic structure of both states. The model is used to calculate doublet lifetime. We have applied this model to the series of Cr^{3+} doped garnets characterized by the varying crystal field parameter 10 Dq and O_{h} symmetry of the Cr site and to the kyanite (Al_{2}O_{3}:SiO_{2}), which is the case of different Cr^{3+} sites in one material, characterized by the relatively large component of the low symmetry crystal field. The agreement with experiment is reasonable.

Keywords

EN

78.55.Hx

• Journal: Acta Physica Polonica A
• Year: 1991
• Volume: 79
• Issue: 2-3
• Pages: 235-238

Dates

published

1991-02

received

1990-08-08

Contributors

author

A.J. Wojtowicz

• Institute of Physics, N. Copernicus University, Grudziądzka 5, 87-100 Toruń, Poland

author

M. Grinberg

• Institute of Physics, N. Copernicus University, Grudziądzka 5, 87-100 Toruń, Poland

author

A. Łempicki

• Chemistry Department, Boston University, Boston, USA