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Which effect occurs when an amorphous solid devitrifies?

A)Grains grow via Ostwald ripening
B)Superconductivity onset increases rapidly
C)Viscosity approaches zero asymptotically
D)Ferromagnetic domains spontaneously disappear

💡 Explanation

Devitrification causes crystal nucleation and growth; Ostwald ripening causes larger crystal domains to grow therefore, grain size noticeably increases rather than other phase transitions appearing or viscosity dropping radically, different processes, different conditions.

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