Sahoo, Aditi and Das, Moumita and Mandal, Prabhat and Bhattacharya, Dipten (2021) Hydrothermal synthesis of Bi2Fe0O9 nanochains and study of their multiferroic coupling. Materials Letters, 296. Art No-129905. ISSN 0167-577X

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We report synthesis of self-assembled Bi2Fe4O9 nanochains by hydrothermal method using Oleic acid as a surfactant which plays an important role in the self-assembled nanochain formation. Temperature dependent dc magnetization study suggests downward shift of the Neel temperature TN -63 K for the particles of size -22 nm while it is reported to be -260 K in the bulk sample. The magnetic hysteresis (M-H) loops offer evidence of weak ferromagnetism across the entire temperature range 10-300 K. Exchange coupling across the interface between coexisting ferromagnetic and antiferromagnetic orders gives rise to a small amount of exchange bias at low temperature. The sample also exhibits substantial magnetoelectric multiferroic coupling at room temperature with-77% suppression of ferroelectric polar-ization under 10 kOe magnetic field. (c) 2021 Elsevier B.V. All rights reserved. <comment>Superscript/Subscript Available</comment

Item Type: Article
Subjects: Electronics
Depositing User: Bidhan Chaudhuri
Date Deposited: 23 Dec 2021 11:45
Last Modified: 23 Dec 2021 11:45

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