Magnetic measurements of superconducting glass-ceramic fine rods in Bi1Ca1Sr1Cu2Al0.5Ox prepared under a temperature gradient
- 9 October 1989
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 55 (15) , 1578-1580
- https://doi.org/10.1063/1.102310
Abstract
It is shown that the crystallization of the glass precursor under a temperature gradient is very effective for preparing the superconducting glass ceramics in the Bi-Ca-Sr-Cu-O system. The magnetization measurements show that the specimen prepared under a temperature gradient has a magnetization hysteresis several times larger at 4.2 K than that prepared under no temperature gradient; the coupling between superconducting grains of the former is stronger than that of the latter.Keywords
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