Magnetic materials and processes for their production

Details Magnetic materials and processes for their production Magnetic materials and processes for their production

H - Electricity

01

F

H01F 1/053 (2006.01) C23C 8/06 (2006.01) C23C 8/66 (2006.01) H01F 1/055 (2006.01) H01F 1/057 (2006.01) H01F 1/058 (2006.01)

Patent

CA 2058283

ABSTRACT: IMPROVED MAGNETIC MATERIALS AND PROCESSES FOR THEIR MANUFACTURE 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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