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Proceedings Paper

Optical activity and circular dichroism in the sillenite crystals
Author(s): Vladimir I. Burkov; Yuri F. Kargin; Anna V. Egorysheva
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Paper Abstract

Optical absorption, power rotary and circular dichroism of crystals of the sillenite family Bi12MxI20(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 Bi12MxO20 crystals. It was found that M vacancies and crystal field transitions of 3d- elements contribute significantly to the circular dichroism of sillenite crystals.

Paper Details

Date Published: 15 March 2001
PDF: 8 pages
Proc. SPIE 4358, Optics of Crystals, (15 March 2001); doi: 10.1117/12.418837
Show Author Affiliations
Vladimir I. Burkov, Moscow Institute of Physics and Technology (Russia)
Yuri F. Kargin, Kurnakov Institute of General and Inorganic Chemistry (Russia)
Anna V. Egorysheva, Kurnakov Institute of General and Inorganic Chemistry (Russia)


Published in SPIE Proceedings Vol. 4358:
Optics of Crystals

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