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← ScienceWhich consequence results when exceeding the Curie temperature of nickel?
A)Loss of spontaneous magnetization✓
B)Increased electrical conductivity linearly
C)Formation of cooper pairs happens
D)Appearance of crystal lattice defects
💡 Explanation
Above the Curie temperature, Thermal agitation overcomes exchange interaction, therefore nickel loses its ferromagnetic spontaneous magnetization, because atomic magnetic dipoles randomize. It disrupts the spin alignment, rather than increasing conductivity or cooper pairs.
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