Optical activity and circular dichroism in the sillenite crystals

Vladimir I. Burkov; Yuri F. Kargin; Anna V. Egorysheva

doi:10.1117/12.418837

15 March 2001 Optical activity and circular dichroism in the sillenite crystals

Vladimir I. Burkov, Yuri F. Kargin, Anna V. Egorysheva

Proceedings Volume 4358, Optics of Crystals; (2001) https://doi.org/10.1117/12.418837
Event: Optics of Crystals, 2000, Mozyr, Belarus

Abstract

Optical absorption, power rotary and circular dichroism of crystals of the sillenite family Bi₁₂M_xI₂₀(M- elements I-VIII of groups or their combination) were measured. The t₁-2e charge transfer transition of the [VO₄]^3- tetrahedral complexes is found to make a negative contribution to the optical rotation of the vanadium sillenite. We present a model, which takes into account a negative contribution from the charge-transfer transitions of [MO₄]^n- complexes to the optical rotation in Bi₁₂M_xO₂₀ crystals. It was found that M vacancies and crystal field transitions of 3d- elements contribute significantly to the circular dichroism of sillenite crystals.

Citation Download Citation

Vladimir I. Burkov, Yuri F. Kargin, and Anna V. Egorysheva "Optical activity and circular dichroism in the sillenite crystals", Proc. SPIE 4358, Optics of Crystals, (15 March 2001); https://doi.org/10.1117/12.418837

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