Paramagnetic resonance of LaGaO3: Mn single crystals grown by floating zone melting

The EPR spectrum of Mn-doped lanthanum gallate single crystals grown by floating zone melting with optical heating has been studied. In contrast to the crystals grown according to the Czochralski method, no manganese is found in these crystals even after high-temperature annealing in air. The spectr...

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Bibliographic Details
Published in:Physics of the solid state 2016-02, Vol.58 (2), p.319-324
Main Authors: Vazhenin, V. A., Potapov, A. P., Artyomov, M. Yu, Salosin, M. A., Fokin, A. V., Gil’mutdinov, I. F., Mukhamedshin, I. R.
Format: Article
Language:English
Subjects:
Impurity Centers
Physics
Physics and Astronomy
Solid State Physics
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Summary:The EPR spectrum of Mn-doped lanthanum gallate single crystals grown by floating zone melting with optical heating has been studied. In contrast to the crystals grown according to the Czochralski method, no manganese is found in these crystals even after high-temperature annealing in air. The spectral characteristics of Fe 3+ and Gd 3+ centers in crystals prepared by various methods have been compared in the rhombohedral phase, and the fourth-rank nondiagonal parameters of the Fe 3+ trigonal centers have been determined, as well.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783416020323