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A magnetic insulator is a material that exhibits magnetic ordering while simultaneously being an electrical insulator. These materials can block the flow of electric current due to a high resistivity, yet maintain magnetic properties like ferromagnetism or antiferromagnetism. Magnetic insulators are important in various applications, including spintronic devices, where they can influence the spin of electrons without conducting electricity. Examples include materials like yttrium iron garnet (YIG) and certain oxides.

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2mo ago

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