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What is the temperature at which a change from the anti-ferromagnetic phase to paramagnetic phase occurs?

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What is the temperature at which a change from the anti-ferromagnetic phase to paramagnetic phase occurs?

(a) Weiss

(b) Curie

(c) Neel

(d) Debye

The question was posed to me in unit test.

I need to ask this question from Ferro, Para and Dia Magnetic Materials in chapter Magnetic & Insulating Materials of Engineering Material & Metallurgy

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The correct option is (b) Curie

To explain: Neel temperature is defined as that temperature at which materials lose their magnetic ordering due to large thermal energy. In other words, a transition from the anti-ferromagnetic state to paramagnetic phase occurs. This is otherwise also known as magnetic ordering temperature and is named after Louis Neel.

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