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← ScienceWhich outcome impairs piezoelectric crystal sensors approaching Curie temperature?
A)Spontaneous polarization diminishes significantly✓
B)Crystal lattice fractures permanently
C)Dielectric constant remains nonlinear
D)Hysteresis loop achieves saturation
💡 Explanation
As temperature increases, approaching the Curie temperature, thermal agitation disrupts the alignment of electric dipoles within the crystal lattice; therefore, the spontaneous polarization diminishes, impairing sensing ability, rather than causing fracture or saturation.
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