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← ScienceWithin a hard drive write head operating near its Curie temperature, which consequence results when thermal energy increases locally?
A)Decreased magnetic domain ordering✓
B)Increased magnetostrictive vibration
C)Enhanced eddy current suppression
D)Elevated spin Seebeck effect efficiency
💡 Explanation
Increased thermal energy overcomes the exchange interaction, disrupting magnetic domain alignment via the Curie-Weiss law; therefore, magnetic domain ordering decreases rather than increasing magnetostriction because the domains are randomized.
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