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ferromagnetic


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In the wide sense, applied to substances in which electron spins are magnetically coupled by either exchange or super-exchange quantum-mechanical forces. Such materials can acquire a spontaneous magnetization which is much greater than either diamagnetism or paramagnetism. There are three types of ferromagnetism: ferromagnetism (in the strict sense); ferrimagnetism; and anti-ferromagnetism.

Subjects: Earth Sciences and Geography.


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