Methods for making doped magnesium diboride powders

Details Methods for making doped magnesium diboride powders Methods for making doped magnesium diboride powders

2006-07-24

2009-02-24

Talbot, Brian K (Department: 1792)

Coating processes

Electrical product produced

Superconductor

C427S212000, C427S213310, C505S434000, C505S470000

Reexamination Certificate

active

07494688

ABSTRACT:
A method for making a doped magnesium diboride powder is provided. The method includes coating a polymeric precursor on at least one of a plurality of particles of a first phase, where the first phase includes a magnesium diboride powder, where the polymeric precursor includes chemical elements yielding a second phase. The second phase includes one or more of a boride, a nitride, a carbide, an oxide, an oxy-boride, an oxy-nitride, an oxy-carbide, or combinations thereof. The method further includes forming a second phase coating onto at least one of the plurality of particles of the magnesium diboride powder.

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W. Mickelson et al.; “Effects of carbon doping on superconductivity in magnesium diboride”; Phys. Rev. B; The American Physical Society (2002) vol. 65, 052505 (3 Pages).
A.V. Pogrebnyakov et al.; “Carbon-Doped MgB2Thin Films Grown by Hybrid Physical-Chemical Vapor Deposition”; IEEE Transactions on Applied Superconductivity, Jun. 2005, pp. 3321-3324; vol. 15, No. 2.
G. Grasso; “Development of MgB2conductors for DC and AC applications”; CNR-INFM & Columbus Superconductors Srl Genova, Italy (27 Pages). No Date available.

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