Manufacturing Industry

Rare earth doping of superconducting tape.(SUPERCONDUCTORS)

Advanced Ceramics Report, November, 2006

Structured Materials Industries Inc (SMI), USA, has won US Department of Energy funding to investigate and develop yttrium-barium-copper-oxygen (YBCO) superconducting tapes.

Under the Phase I Small Business Innovation Research grant, SMI says it will use its metal-organic chemical vapour deposition (MOCVD) technologies to apply thin superconducting films of YBCO on metal tapes. A particular focus of this effort is to investigate rare earth doping (such as Sm and Ho) as a means to increase the in-field critical current density of the YBCO film.

The goal of these programmes is to ultimately develop a viable process and tool technology for routine production of kilometres of superconducting tapes at a cost advantage to conventional wiring.

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