Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 18, 2012
app pub date -
Sep 30, 2010
filing date -
Sep 30, 2009
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Abstract
To provide a method for improving a coercive force of epsilon-type iron oxide particles, and an epsilon-type iron oxide. Specifically, to provide a method for improving the coercive force of an epsilon-type iron oxide comprising: substituting Fe-site of the epsilon-type iron oxide with other element, while not substituting Fe of D-site in the epsilon-type iron oxide with other element, and the epsilon type iron oxide.
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