Release Time：2012-08-21 Reads：6345
The Curie temperature (Tc) is the critical temperature beyond which a previously ferromagnetic material becomes paramagnetic. On the atomic level, below the Curie temperature the magnetic moments, contributed mainly by the electrons, are alligned in their respective domains and even a weak external field results in a net magnetization. As the temperature increases to Tc and above however, fluctuations due to the increase in thermal energy destroy that allignment. Tc for nickel is 631K, while that for iron is 1043K.
Source：http://www.physics.ucla.edu/demoweb/demomanual/electricity_and_magnetism/magnetostatics/curie_temperature.html
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