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← ScienceWhich outcome occurs when compressive stress misaligns a piezoelectric crystal's lattice?
A)Charge separation decreases negligibly.
B)Voltage across plates significantly increases.
C)Spontaneous polarization diminishes.✓
D)Magnetostriction overcomes piezoelectricity.
💡 Explanation
Spontaneous polarization diminishes because mechanical stress alters ion positions relative to the centroid, inhibiting efficient charge separation via direct piezoelectric effect; therefore, the existing polarization vanishes, rather than voltage increase driven by external charges.
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