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← ScienceWhich outcome occurs when rapid cooling induces defects within lithium niobate crystal lattices?
A)An altered refractive index gradient appears✓
B)Increased thermal conductivity facilitates heat dissipation
C)Photovoltaic efficiency experiences stable enhancement
D)Ferroelectric properties display spontaneous alignment
💡 Explanation
Cooling introduces lattice imperfections, because these structural changes cause photo-refractive effect due to inhomogeneous stress. These strains result in modulated indices of refraction, therefore altering optical properties, rather than improved thermal transfer or stable photovoltaic changes.
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