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Scanning electron microscope images of (a) initial powder; (b) dried powder after sonication of slurry loading; (c) sintered pellet made from initial powder; (d) sintered pellet made from sonicated material.
(Color online) Resistance superconducting transition curves normalized by the room temperature value as a function of wt % slurry loading during sonication.
(Color online) Effect of ultrasonic treatment on BSCCO slurries of various loading, indicated by wt % and arrows. Inset shows critical current density calculated at .
(Color online) Irreversible magnetization measured at at various temperatures for samples of different slurry loading as described in the text. Right axis—critical current density evaluated by using Bean model.
(Color online) characteristics measured in reference (left line) and an ultrasonically treated sample (sonicated as a slurry). The enhancement of critical current is estimated about 60%.
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