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Explain the Following with Suitable Examples: Ferrimagnetism - CBSE (Science) Class 12 - Chemistry

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Question

Explain the following with suitable examples: Ferrimagnetism

Solution

Ferrimagnetism: The substances in which the magnetic moments of the domains are aligned in parallel and anti-parallel directions, in unequal numbers, are said to have ferrimagnetism. Examples include Fe3O4 (magnetite), ferrites such as MgFe2O4 and ZnFe2O4.

Ferrimagnetic substances are weakly attracted by a magnetic field as compared to ferromagnetic substances. On heating, these substances become paramagnetic.

Schematic alignment of magnetic moments in ferrimagnetic substances

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Solution Explain the Following with Suitable Examples: Ferrimagnetism Concept: Magnetic Properties.
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