Monoclinic centers of rare-earth  S  ions in yttrium orthoaluminate crystals

V. A. Vazhenin; A. P. Potapov; G. R. Asatryan; A. G. Petrosyan; K. L. Ovanesyan; A. V. Fokin

doi:10.1134/S106378341709030X

Monoclinic centers of rare-earth S ions in yttrium orthoaluminate crystals

Authors: Vazhenin V.A.¹, Potapov A.P.¹, Asatryan G.R.², Petrosyan A.G.³, Ovanesyan K.L.³, Fokin A.V.¹
Affiliations:
1. Institute of Natural Sciences and Mathematics
2. Ioffe Institute
3. Institute for Physical Research
Issue: Vol 59, No 9 (2017)
Pages: 1812-1817
Section: Impurity Centers
URL: https://journals.rcsi.science/1063-7834/article/view/201010
DOI: https://doi.org/10.1134/S106378341709030X
ID: 201010

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Abstract

The ESR spectrum of Gd³⁺ and Eu²⁺ monoclinic centers, which substitute for yttrium ions in YAlO₃ crystals doped with europium and zirconium, has been investigated. Parameters of the fine structure of these centers are determined. The hyperfine-interaction parameters are determined for the centers with ¹⁵¹Eu isotope, and the hyperfine structure of the centers with ¹⁵³Eu isotope is discussed.