Paramagnetic impurity centers of Fe3+ in the silicon positions of yttrium orthosilicate
https://doi.org/10.26907/mrsej-24217
Abstract
In the Y2SiO5 single crystal doped with iron, transitions of three triclinic Fe3+ centers localized in silicon positions were detected near (g = 4.3). The positions of these transitions weakly depend on the orientation of the magnetic field. The orientation behavior of other transitions of these centers has been studied. The parameters of the constructed spin Hamiltonians of two of them in the main axes satisfy the conditions: (b20 ≡ D) is close to (b22 ≡ 3E) while (b20 ≫ gβB). These centers can be attributed to Fe3+ ions localized in silicon positions and compensated for both locally and non-locally by oxygen vacancies.
Supporting agencies: The measurements of the actual impurity composition of the crystal were carried out using the scientific equipment of the shared research facility “Research Chemical Analytical Center of the Kurchatov Institute National Research Center”. This work was carried out with the financial support of the Ministry of Education and Science of the Russian Federation, project number FEUZ-2023-0017, using the equipment of the Core Facility Center “Modern Nanotechnologies” of Ural Federal University (reg. no. 2968).
About the Authors
V. A. Vazhenin
Ural Federal University
Russian Federation
Russian Federation
Yekaterinburg 620002
M. Yu. Artyomov
Ural Federal University
Russian Federation
Russian Federation
Yekaterinburg 620002
A. P. Potapov
Ural Federal University
Russian Federation
Russian Federation
Yekaterinburg 620002
K. A. Subbotin
Prokhorov General Physics Institute of Russian Academy of Sciences
Russian Federation
Russian Federation
Moscow 119991
D. A. Lis
Prokhorov General Physics Institute of Russian Academy of Sciences
Russian Federation
Russian Federation
Moscow 119991
S. K. Pavlov
Prokhorov General Physics Institute of Russian Academy of Sciences
Russian Federation
Russian Federation
Moscow 119991
A. V. Fokin
Ural Federal University
Russian Federation
Russian Federation
Yekaterinburg 620002
P. A. Volkov
National Research Centre “Kurchatov Institute”
Russian Federation
Russian Federation
Moscow 123182
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Review
For citations:
Vazhenin V.A., Artyomov M.Yu., Potapov A.P., Subbotin K.A., Lis D.A., Pavlov S.K., Fokin A.V., Volkov P.A. Paramagnetic impurity centers of Fe3+ in the silicon positions of yttrium orthosilicate. Magnetic Resonance in Solids. 2024;26(2):24217 (11 pp.). https://doi.org/10.26907/mrsej-24217
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