Relaxation of the environment of Gd 3+  and Eu 2+  impurity ions in the Y 3 Al 5 O 12  garnet

V. A. Vazhenin; M. Yu. Artyomov; A. P. Potapov; V. A. Chernyshev; A. V. Fokin; A. V. Serdtsev

doi:10.1134/S1063783417050286

Relaxation of the environment of Gd³⁺ and Eu²⁺ impurity ions in the Y₃Al₅O₁₂ garnet

Autores: Vazhenin V.A.¹, Artyomov M.Y.¹, Potapov A.P.¹, Chernyshev V.A.¹, Fokin A.V.¹, Serdtsev A.V.¹
Afiliações:
1. Institute of Natural Science
Edição: Volume 59, Nº 5 (2017)
Páginas: 967-972
Seção: Impurity Centers
URL: https://ogarev-online.ru/1063-7834/article/view/200216
DOI: https://doi.org/10.1134/S1063783417050286
ID: 200216

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Resumo

The second-rank spin Hamiltonian parameters of Gd³⁺ and Eu²⁺ orthorhombic centers in crystals of the yttrium aluminum garnet Y₃Al₅O₁₂ have been analyzed within the framework of the superposition model for the zero-field splitting of the ground state. It has been shown that the description of the experimental data in this model is possible only under the assumption of relaxation of the ligand environment of the paramagnetic impurity.