Study of La substituted four-layer Aurivillius compound Bi5FeTi3O15

The present work report synthesis of four-layer Aurivillius compound with systematic replacement of A-site Bi 3 + cation via La 3 + . Four-layer Aurivillius structure and phase purity is confirmed by x-ray diffraction measurements. Raman spectroscopy measurement indicate that La replaces Bi from per...

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Bibliographic Details
Published in:Hyperfine interactions 2023-10, Vol.244 (1)
Main Authors: Prajapat, Deepak, Surampalli, Akash, Reddy, V. Raghavendra
Format: Article
Language:English
Subjects:
Atomic
Condensed Matter Physics
Hadrons
Heavy Ions
Molecular
Nuclear Physics
Optical and Plasma Physics
Physics
Physics and Astronomy
Surfaces and Interfaces
Thin Films
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Summary:The present work report synthesis of four-layer Aurivillius compound with systematic replacement of A-site Bi 3 + cation via La 3 + . Four-layer Aurivillius structure and phase purity is confirmed by x-ray diffraction measurements. Raman spectroscopy measurement indicate that La replaces Bi from perovskite like slab. M o ¨ ssbauer spectroscopy measurement shows the presence of paramagnetic behaviour at room temperature and confirms the presence of Fe 3 + in octahedral environment. Further, magnetization measurements indicate paramagnetic nature down to 5K similar to parent compound (Bi 5 FeTi 3 O 15 ) and suggest La substitution at A-site does not induce the magnetic ordering.
ISSN:1572-9540
DOI:10.1007/s10751-023-01826-5