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From imperfect to perfect Bi2Sr2CaCu2Ox (Bi-2212) grains

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Academic year: 2021

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Figure

FIG. 1. (a) Weight change of zone molten Bi-2212 (Bi 2 Sr 2 CaCu 2 0^) as a function of the annealing time in air at 850 °C
FIG. 2. Fraction of 2201 intergrowths in the 2212 grains of zone molten Bi-2212 as a function of the annealing time at 850 °C in air
FIG. 5. HRTEM of a 2212 grain after 10 h of annealing showing a high density of 2201 intergrowths on the right side ([010]-orientation).
FIG. 6. [110]-HRTEM of a twist boundary in a 2212 grain showing the concentration of 2201 half-cells at the left twist boundary.

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