Eur. Phys. J. Appl. Phys.
Volume 50, Number 3, June 2010
|Number of page(s)||7|
|Section||Spintronics, Magnetism and Superconductivity|
|Published online||17 May 2010|
Influence of doping and doping level on magnetoelectric coupling in layered composites Tb1-xDyxFe2-y/Ba-Ti1-zMzO3+δ (M = Fe, Cr, Mn, Co)
Magnetoelectronic Lab, Nanjing Normal University, Nanjing, 210097, P.R. China
Corresponding author: firstname.lastname@example.org
Revised: 4 April 2009
Accepted: 26 March 2010
Published online: 17 May 2010
Perovskites BaTi1-zMzO3+δ (M = Fe, Cr, Mn, Co) has been sol-gel synthesized. Their transformation point of ferroelectric to paraelectric and the latent heat of the transformation were found a little lower than those for pure BaTiO3 (BTO), respectively. Layered composites Tb1-xDyxFe2-y–BaTi1-zMzO3+δ have been fabricated. Their magnetoelectric (ME) effect has been investigated. All the bilayers containing the doped BTO displayed a stronger ME effects than that containing pure BTO does. The bilayer Tb1-xDyxFe2-y–BaTi0.99Cr0.01O3+δ was observed to show a larger ME coupling in the composites containing other doped BTO. While Tb1-xDyxFe2-y–BaTi0.985Fe0.015O3+δ showed the largest ME effects in the bilayers Tb1-xDyxFe2-y–BaTi1-zFezO3+δ (0 ≤ z ≤ 0.02). Additionally, the ME voltage coefficient for the trilayers Tb1-xDyxFe2-y–BaTi0.99M0.01O3+δ–Tb1-xDyxFe2-y was observed to be two or three times larger than that observed in the bilayers composed by the same substances. Theoretical analyses have been given for these observations. All the results suggest that the doped BTO can be a new choice of piezoelectrics in fabricating layered ME composites.
© EDP Sciences, 2010
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.