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Which outcome occurs when strong external fields inhibit ferroelectric domains?

A)Increased dielectric nonlinear optical susceptibilities
B)Decreased piezoelectric coefficient of material
C)Enhanced pyroelectric effect generation
D)Reduced electronic band gap narrowing

💡 Explanation

The piezoelectric coefficient decreases because domain wall motion contributes significantly to piezoelectricity; the Inhibition process reduces the domain walls, lowering piezoelectricity, therefore, rather than enhanced pyroelectricity the coefficient decreases because different polarisation mechanisms dominate at low fields.

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