GRANULAR EFFECTS IN SUPERCONDUCTING YBA2CU4O8 CERAMIC
Two characteristic transition temperatures have been observed in superconducting YBa2Cu4O8 ceramic by means of an ac inductive method. Our susceptibility data from a powdered sample, and a bulk sample at different magnetic field strengths, show that the two temperatures correspond to superconducting...
Main Authors: | Lin, S, Liu, R, Zheng, D, Liang, W, Edwards, P |
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Format: | Conference item |
Published: |
1991
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