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Bi2212 Filament Structure in Grain Growth with 2D Confinement

The Bi2212 filament structure forces growth along wire direction, creating thin yet large grains likely due to slow cooling. Quasi-textured and untextured regions alternate in a pattern. Learn about current flow in untextured Bi2212 round wires in an invited talk by Fumitake Kametani. The animation was created by P.J. Lee.

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Bi2212 Filament Structure in Grain Growth with 2D Confinement

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  1. Grain/GB structure in a Bi2212 filament 2-dimentional confinement by the filament structure forces Bi2212 to grow along the wire direction. Thin but large grain shape presumably due to slow cooling. Quasi-textured regions alternate with untextured regions. 10 µm

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  20. Invited Talk by Fumitake Kametani: Where does the current flow in macroscopically untextured Bi2212 round wires? F. Kametani, J. Jiang, N. Craig, M. R. Matras, E. E. Hellstrom and D. C. Larbalestier Applied Superconductivity Center, National High Magnetic Field Laboratory, Florida State University Tallahassee FL 32310 Bi2212 round wires provided by OST 10 µm *Animation made by P. J. Lee

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