Magnetic materials and processes for their production
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United States of America Patent
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Dec 26, 1995
Issued Date -
N/A
app pub date -
Jun 16, 1994
filing date -
Dec 21, 1990
priority date (Note) -
Expired
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Abstract
A process is provided for modifying the magnetic properties of an intermetallic compound comprising at least iron, or a combination of iron with at least one transition metal, and at least one rare earth element. The process comprises heating the intermetallic compound in a reaction gas containing at least one element of groups IIIA, IVA or VIA of the Periodic Table in the gaseous phase to interstitially incorporate the element or elements of these groups into the crystal lattice of the intermetallic compound. Novel magnetic materials showing easy uniaxial anisotropy, increased spontaneous magnetization and Curie temperatures are produced by the process.
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