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Proceedings Paper

Microscopic mechanism of Faraday effect in Bi-YIG
Author(s): Huaan Hu; Jiang Wei; Huahui He
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Paper Abstract

For the bismuth substituted yttrium ion garnet (Bi-YIG), it is considered that the 6p orbits of Bi3+, 2p orbits of O2+, and 3d orbits of Fe3+ are overlapped one another into hybridized molecular orbits. The number of hybridized orbits is quantitative related with the ion concentration of Bi3+. When (omega) equals 2.3 eV or (omega) equals 2.8 eV. The (theta) F varied with the spin- orbit splitting energies (Delta) is calculated respectively, in Y3-xBixFe5O12 on x equals 0, 0.1, 0.3, 0.5. The results indicate that the large enhancement of Faraday rotation, with the enhancement of spin-orbit splitting of excited state, is dominated by the substitution of bismuth.

Paper Details

Date Published: 10 August 1998
PDF: 4 pages
Proc. SPIE 3562, Optical Storage Technology, (10 August 1998); doi: 10.1117/12.318504
Show Author Affiliations
Huaan Hu, Wuhan Institute of Economics (China)
Jiang Wei, Huazhong Univ. of Science and Technology (China)
Huahui He, Huazhong Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 3562:
Optical Storage Technology
Duanyi Xu; Seiya Ogawa, Editor(s)

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