Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4712563
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Funding
- DARPA
- Office of Basic Energy Science [DE-FG02-07ER46480]
- DOE [DE-FG02-09ER46674]
- U.S. Department of Energy (DOE) [DE-FG02-07ER46480] Funding Source: U.S. Department of Energy (DOE)
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [1035042] Funding Source: National Science Foundation
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[001]-textured Pb(Mg1/3Nb2/3)O-3-PbTiO3 (PMN-PT) ceramics were synthesized by using templated grain growth method. Significantly high [001] texture degree corresponding to 0.98 Lotgering factor was achieved at 1 vol. % BaTiO3 template. Electromechanical properties for [001]-textured PMN-PT ceramics with 1 vol. % BaTiO3 were found to be d(33) = 1000 pC/N, d(31) = 371 pC/N, epsilon(r) 2591, and tan delta = similar to 0.6%. Elastoelectric composite based modeling results showed that higher volume fraction of template reduces the overall dielectric constant and thus has adverse effect on the piezoelectric response. Clamping effect was modeled by deriving the changes in free energy as a function of applied electric field and microstructural boundary condition. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4712563]
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