Paramagnetic Chromium Centers in Y2SiO5 and Sc2SiO5 Crystals

The EPR spectrum of yttrium and scandium silicate single crystals doped with chromium has been studied at various frequencies. Y 2 SiO 5 has one triclinic Cr 3+ center, while the Sc 2 SiO 5 crystals demonstrate two nonequivalent centers. The spin Hamiltonian parameters of these centers have been det...

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Veröffentlicht in:	Physics of the solid state 2018-10, Vol.60 (10), p.2039-2045
Hauptverfasser:	Vazhenin, V. A., Potapov, A. P., Shakurov, G. S., Fokin, A. V., Artyomov, M. Yu, Isaev, V. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromium Crystals Impurity Centers Physics Physics and Astronomy Scandium Single crystals Solid State Physics Yttrium
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The EPR spectrum of yttrium and scandium silicate single crystals doped with chromium has been studied at various frequencies. Y 2 SiO 5 has one triclinic Cr 3+ center, while the Sc 2 SiO 5 crystals demonstrate two nonequivalent centers. The spin Hamiltonian parameters of these centers have been determined. These centers are found to be tricharged chromium ions localized in the yttrium and scandium positions.
ISSN:	1063-7834 1090-6460
DOI:	10.1134/S106378341810030X