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Proceedings Paper

Magnetic field effects in optical and far IR spectra of LiTmF4 crystals
Author(s): R. Yu. Abdulsabirov; A. A. Kazantsev; S. L. Korableva; Boris Z. Malkin; Sergey I. Nikitin; A. L. Stolov; M. S. Tagirov; D. A. Tayurskii; J. van Tol
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Paper Abstract

Splitting of the first excited (Gamma) 134(3H6) doublet state of Tm3+ ions in the LiTmF4 crystal in external magnetic fields up to 11 T has been studied using measurements of luminescence and far RI absorption spectra at low temperatures. In the magnetic field perpendicular to the S4-symmetry axis of the crystal lattice, the splitting of the non-Kramers doublet is caused by the joint action of the nonlinear Zeeman effect and the piezo spectroscopic effect related to parastriction. Experimental dependences of the doublet splitting on the magnetic field strength and direction are in good correspondence with the theoretical estimations obtained in the framework of the semi phenomenological crystal field model. It is shown that spectroscopic data present direct information on the forced magnetostriction in the basal plane of uniaxial Van Vleck paramagnets that contain non- Kramers rare earth ions.

Paper Details

Date Published: 12 July 2002
PDF: 6 pages
Proc. SPIE 4766, XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions, (12 July 2002); doi: 10.1117/12.475349
Show Author Affiliations
R. Yu. Abdulsabirov, Kazan State Univ. (Russia)
A. A. Kazantsev, Kazan State Univ. (Russia)
S. L. Korableva, Kazan State Univ. (Russia)
Boris Z. Malkin, Kazan State Univ. (Russia)
Sergey I. Nikitin, Kazan State Univ. (Russia)
A. L. Stolov, Kazan State Univ. (Russia)
M. S. Tagirov, Kazan State Univ. (Russia)
D. A. Tayurskii, Kazan State Univ. (Russia)
J. van Tol, CNRS (France)

Published in SPIE Proceedings Vol. 4766:
XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions
Alexander A. Kaplyanskii; Boris Z. Malkin; Sergey I. Nikitin, Editor(s)

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