期刊
APPLIED PHYSICS LETTERS
卷 95, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3179146
关键词
cobalt alloys; ferromagnetic materials; laminates; lead compounds; magnetoelectric effects; magnetostriction; manganese alloys; martensitic transformations; nickel alloys; piezoceramics; shape memory effects; tin alloys
资金
- National Basic Research Program of China [2005CB623605, 2009CB929503]
- National Natural Science Foundation of China [50701022, 50832002, NCET-080278]
In laminates, the converse magnetoelectric (CME) effect is often achieved by an elastic coupling between magnetostrictive and piezoelectric layers. Here the authors report on an alternative mechanism for obtaining CME. In a transition-metals-based ferromagnetic shape memory alloy/piezoelectric ceramic laminated composite, the stress-induced martensitic transformation is utilized to gain the magnetic changes, which gives rise to a giant CME effect consequently. The strong CME is observed at room temperature over a broad bandwidth, under weak magnetic bias and electric field.
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