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Study of La substituted four-layer Aurivillius compound Bi 5 FeTi 3 O 15

Prajapat, D and Surampalli, A and Reddy, VR (2023) Study of La substituted four-layer Aurivillius compound Bi 5 FeTi 3 O 15. In: Hyperfine Interactions, 244 (1).

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Official URL: https://doi.org/10.1007/s10751-023-01826-5


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. © 2023, The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Item Type: Journal Article
Publication: Hyperfine Interactions
Publisher: Springer Science and Business Media Deutschland GmbH
Additional Information: The copyright for this article belongs to the Springer Science and Business Media Deutschland GmbH.
Keywords: Binary alloys; Iron alloys; Lanthanum; Paramagnetism; Perovskite; Raman spectroscopy, Aurivillius compounds; Aurivillius phase; Aurivillius structure; Four layer aurivillius compound; La 3+; La substituted; M o ssbaue spectroscopy and ferroelectricity; Phase purity; Ssbauer spectroscopies; X-ray diffraction measurements, Magnetization
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 12 Dec 2023 04:16
Last Modified: 12 Dec 2023 04:16
URI: https://eprints.iisc.ac.in/id/eprint/83347

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