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← ScienceWhich outcome occurs when thermal energy disrupts the antiferromagnetic ordering in a chromium crystal lattice?
A)Increased magnetic susceptibility above Néel point✓
B)Decreased electrical resistivity at Curie point
C)Enhanced specific heat near Debye temperature
D)Superconductivity transition at critical temperature
💡 Explanation
Increased magnetic susceptibility appears because the domain alignment weakens at and above the Néel point, meaning less complete cancellation, due to thermal agitation disrupting antiferromagnetic ordering, via the Curie-Weiss law; therefore susceptibility rises, rather than resistivity decreases or specific heat changes.
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