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Grain/GB structure in a Bi2212 filament

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. 10 µm. 10 µm. 10 µm.

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Grain/GB structure in a Bi2212 filament

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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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