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Which risk increases when a ferromagnetic material's Curie temperature nears?

A)Increased magnetic domain thermal fluctuations
B)Enhanced electron-phonon coupling strength
C)Elevated superconducting transition temperature
D)Suppressed spin-orbit interaction magnitude

💡 Explanation

Increased magnetic domain fluctuation is the outcome because nearing the Curie temperature induces the mechanism of thermal agitation exceeding exchange interactions, causing loss of alignment. Therefore, magnetic order degrades, rather than phonons or spin-orbit dominate.

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