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Title: Effect of phase transformation on the converse magnetoelectric properties of a heterostructure of Ni ₄₉.₂Mn₂₉.₆Ga₂₁.₂ and 0.7PbMg ₁/₃Nb₂/₃O₃-0.3PbTIO₃crystals
Authors: Zeng, M
Or, DSW 
Chan, HLW 
Keywords: Ferromagnetic materials
Gallium alloys
Interface magnetism
Lead compounds
Magnetoelectric effects
Manganese alloys
Nickel alloys
Piezoelectric materials
Shape memory effects
Solid-state phase transformations
Issue Date: 3-May-2010
Publisher: American Institute of Physics
Source: Applied physics letters, 3 May 2010, v. 96, no. 18, 182503, p. 1-3 How to cite?
Journal: Applied physics letters 
Abstract: We report experimentally and theoretically the effect of phase transformation on the converse magnetoelectric (CME) properties of a heterostructure formed by one layer of piezoelectric 0.7PbMg₁/₃Nb₂/₃O₃-0.3PbTIO₃(PMN-PT)crystal sandwiched between two layers of ferromagnetic shape memory Ni₄₉.₂Mn₂₉.₆Ga₂₁.₂(Ni–Mn–Ga) crystal. The CME coefficient (αв) of the heterostructure remains minimally and relatively constant in the martensitic phase (<28 °C), attains its maximum value in the martensitic-austenitic phase transformation (28–39 °C), and decreases gradually with increasing temperature in the austenitic phase (>39 °C). Giant resonance αв of 18.6 G/V is found at 32 °C under a very low bias magnetic field of 150 Oe.
ISSN: 0003-6951 (print)
1077-3118 (online)
DOI: 10.1063/1.3427388
Rights: © 2010 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 M. Zeng, S.W. Or & H.L.W. Chan, Appl. Phys. Lett. 96, 182503 (2010) and may be found at
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