| Abstrakt: |
In this study, perovskite La0.8Sr0.2FeO3 nanocrystals were formed in heavy metal oxide glass under Al2O3 tailoring. The influence of formation of La0.8Sr0.2FeO3 to glass structure and magnetic behavior was studied through various techniques such as X-ray diffraction, Raman, X-ray photoelectron microscopy, electron paramagnetic resonance, and Mössbauer spectra. The 10-30 nm-orthogonal La0.8Sr0.2FeO3 nanocrystals were synthesized and well distributed in glass whose structure and coordination numbers of B2O3, Al2O3, and Bi2O3 were changed by the La0.8Sr0.2FeO3 crystallization. Aluminum abnormality effect was observed in 10%Al2O3 doped glass which showed highest transparency, smallest La0.8Sr0.2FeO3 size (10 nm) and least non-bridging oxygen defects. The glass with 10%Al2O3 exhibited enhanced electron paramagnetic resonance signal, highest (71%) tetrahedral FeO4 units and improved Mössbauer sextets intensity which is promising for photonics device applications. [ABSTRACT FROM AUTHOR] |
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