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Magnetic alignment in 2212 Bi-based superconducting system: II. Bi2Sr2Ca1−xDyxCu2O8−yx = 0.2 glass recrystallized in 0.6 T magnetic field

Published online by Cambridge University Press:  03 March 2011

S. Stassen ,
R. Cloots ,
A. Rulmont  and
M. Ausloos
S. Stassen
Affiliation:
S.U.P.R.A.S., Chemistry Institute B6, University of Liège. Sart-Tilman, B-4000 Liège, Belgium
R. Cloots
Affiliation:
S.U.P.R.A.S., Chemistry Institute B6, University of Liège, Sart-Tilman, B-4000 Liège, Belgium and S.U.P.R.A.S., Montefore Institute B28, University of Liège, Sart-Tilman, B-4000 Liège, Belgium
A. Rulmont
Affiliation:
S.U.P.R.A.S., Chemistry Institute B6, University of Liège, Sart-Tilman, B-4000 Liège, Belgium
M. Ausloos
Affiliation:
S.U.P.R.A.S., Physics Institute B5, University of Liège, Sart-Tilman, B-4000 Liège, Belgium
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Abstract

Starting from a glassy precursor, Bi2Sr2Ca1−xDyxCu2O8−y (for x = 0.2) was recrystallized under a 0.6 T magnetic field. After splat quenching, the samples were heated and sintered at different temperatures T1, then slowly cooled. X-ray diffraction data, sometimes showing 00l peak splitting and electron scanning microscopy pictures, were collected. The results showed that the magnetic field could orient the grains and led to a magnetically textured growth process. Secondary phases formed in the system during this process were identified by EDX analysis. The optimum T1 for texturing was found to be between 930 °C and 950 °C.

Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 8 , August 1995 , pp. 1878 - 1883
Copyright
Copyright © Materials Research Society 1995

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