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http://hdl.handle.net/10397/2474
| 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 |
Issue Date: | 3-May-2010 | Source: | Applied physics letters, 3 May 2010, v. 96, no. 18, 182503, p. 1-3 | 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. | Keywords: | Ferromagnetic materials Gallium alloys Interface magnetism Lead compounds Magnetoelectric effects Manganese alloys Nickel alloys Piezoelectric materials Shape memory effects Solid-state phase transformations |
Publisher: | American Institute of Physics | Journal: | Applied physics letters | ISSN: | 0003-6951 | EISSN: | 1077-3118 | 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 http://link.aip.org/link/?apl/96/182503 |
| Appears in Collections: | Journal/Magazine Article |
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| ApplPhysLett_96_182503.pdf | 396.34 kB | Adobe PDF | View/Open |
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