Influence of Glass Matrix on Magneto-Optical Activity of f-f Transitions in Dy3+ Ion

A.L. Sukhachev; A.Y. Strokova; A.V. Malakhovskii

doi:10.4028/www.scientific.net/SSP.168-169.557

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Influence of Glass Matrix on Magneto-Optical Activity of f-f Transitions in Dy³⁺ Ion

Abstract:

The absorption and magnetic circular dichroism spectra of f-f transitions 6H15/2 → 6F3/2, 6F5/2 , 6(F7/2 +H5/2) and 6(F9/2+H7/2) in Dy3+ ion were studied in the glasses: Dy2O3-P2O5-SiO2-GeO2 and Dy2O3-La2O3-Al2O3-B2O3-SiO2-GeO2 with different concentrations of Dy3+ ions in temperature range 100-300 K. Basing on this data, absolute values and temperature dependences of the paramagnetic magneto-optical activity (MOA) of the transitions were determined. The origin of the MOA of f-f transitions was analyzed with the help of two models. In the first model, MOA is considered as a consequence of admixture of states with opposite parity by odd components of crystal field. The second approach is based on the Judd-Ofelt theory. The same f-f transitions reveal different values and temperature dependences in different glasses, what testifies to a different symmetry of the nearest environment of Dy3+ ions in these glasses.

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Periodical:

Solid State Phenomena (Volumes 168-169)

Pages:

557-560

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.168-169.557

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Online since:

December 2010

Authors:

A.L. Sukhachev, A.Y. Strokova, A.V. Malakhovskii

Keywords:

Magnetic Circular Dichroism, Magneto-Optical Activity, Rare Earth Glasses

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References

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