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Title: Giant sharp converse magnetoelectric effect from the combination of a piezoelectric transformer with a piezoelectric/magnetostrictive laminated composite
Authors: Wang, Yaojin
Wang, Feifei
Or, Derek Siu-wing
Chan, Helen L. W.
Zhao, Xiangyong
Luo, Haosu
Subjects: Laminates
Lead compounds
Magnetic storage
Magnetoelectric effects
Issue Date: 16-Sep-2008
Publisher: American Institute of Physics
Source: Applied physics letters, 16 Sept. 2008, v. 93, 113503, p. 1-3.
Abstract: Giant sharp converse magnetoelectric (CME) coefficient of 11.9 G/V is obtained in a heterostructure formed by combining a Rosen-type 0.7Pb(Mg[sub ⅓]Nb[sub ⅔]O₃-0.3PbTiO₃ (PMN-PT) piezoelectric single-crystal transformer with a CME laminated composite of a length-magnetized Tb[sub 0.3]Dy[sub 0.7]Fe[sub 1.92] (Terfenol-D) magnetostrictive alloy plate sandwiched between two thickness-polarized, electroparallel-connected PMN-PT piezoelectric single-crystal plates. The observed giant sharp CME is found to originate from the step-up voltage-gain effect in the transformer and the resonance CME effect in the laminated composite. This heterostructure has promising applications in electrically controlled magnetic memory devices.
Rights: © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Y. Wang et al., Appl. Phys. Lett. 93, 113503 (2008) and may be found at
Type: Journal/Magazine Article
ISSN: 0003-6951
Appears in Collections:AP Journal/Magazine Articles
EE Journal/Magazine Articles

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