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← ScienceWhich outcome is promoted by increased lattice symmetry in piezoelectric ceramics?
A)Enhanced ferroelectric domain alignment✓
B)Diminished dielectric breakdown strength
C)Reduced thermal expansion coefficient
D)Increased acoustic wave attenuation
💡 Explanation
Enhanced piezoelectricity results from increased lattice symmetry because it facilitates easier polarization switching via ionic displacement within the crystal. This enhances overall ferroelectric domain alignment, therefore improving actuation, rather than inhibiting it, which would occur with reduced symmetry.
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