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HEXAGONAL STRONTIUM FERRITE POWDER FOR MAGNETIC RECORDING AND MAGNETIC RECORDING MEDIUM

2025-06-18 21:001050下载
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Provided is hexagonal strontium ferrite powder for magnetic recording, in which an activation volume is 800 to 1, 500 nm3, a content of rare earth atom with respect to 100 atom % of iron atom is 0.5 to 5.0 atom %, and a rare earth atom surface portion uneven distribution is provided.


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