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Title: Structural transformation and magnetoelectric behaviour in Bi1-xGdxFeO3 multiferroics
Authors: Lazenka, Vera ×
Zhang, Gufei
Vanacken, Johan
Makoed, I. I
Ravinski, A. F
Moshchalkov, Victor #
Issue Date: 6-Mar-2012
Publisher: Institute of Physics and IOP Publishing
Series Title: Journal of Physics D, Applied Physics vol:45 issue:12 pages:742
Article number: 125002
Abstract: The crystal structure, dielectric, magnetic and magnetoelectric (ME) properties of Bi1-xGdxFeO3 (BGFO, x = 0, 0.05, 0.1, 0.15, 0.2) multiferroic ceramics have been studied. The substitution of bismuth by gadolinium induces a R3c -> Pnma phase structural transition at x > 0.1, which leads to the suppression of the spiral modulated spin structure and develops weak ferromagnetic properties in the BiFeO3-based materials. Through studying the temperature/magnetic field dependence of the ME coefficient, we have revealed the effect of the substitution of Gd3+ ions on the ME properties, and have demonstrated the possibility of manipulating the electric state in BGFO multiferroics by applying magnetic field at room temperature.
ISSN: 0022-3727
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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