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← ScienceWhich outcome occurs when exceeding Curie temperature in ferromagnetic materials?
A)Spontaneous magnetization disappears completely✓
B)Enhanced magnetostriction effect appears
C)Superconducting transition becomes observable
D)Giant magnetoresistance effect is amplified
💡 Explanation
When reaching the Curie Temperature, thermal energy overcomes the exchange interaction; thus, there's a phase shift, so spontaneous magnetization disappears, because the magnetic domains become randomly oriented, rather than aligning under ferromagnetic ordering.
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