Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3358133
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Funding
- U.S. Department of Energy [DE-FG02-07ER46410]
- NSF [ECCS-0824202]
- Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-AC02-07CH11358]
- NSF of China [50621201]
- State Key Project of Fundamental Research of China [2009CB623303]
- U.S. Department of Energy (DOE) [DE-FG02-07ER46410] Funding Source: U.S. Department of Energy (DOE)
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0824202] Funding Source: National Science Foundation
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A magnetoelectric (ME) composite through thermal mediation is presented, which is different from the traditional strain/stress mediated ME composites. The ME laminate uses the large magnetocaloric effect, that is, a temperature change induced in the ferromagnetic Gd crystal by a magnetic field, and a large pyroelectric response in the relaxor ferroelectric polymer. Consequently, a simple laminate composite can produce a ME response similar to 0.5 V/(cm Oe). The ME coefficient was further enhanced to similar to 0.9 V/(cm Oe) by exploiting the magnetic flux concentration effect. The approach opens up an avenue in developing ME materials for broad range of applications. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3358133]
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