In:
Acta Physica Sinica, Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences, Vol. 41, No. 1 ( 1992), p. 123-
Abstract:
We have studied the irreversibility line and pinning potential U0 of high-Tc melt-textured YBa2Cu3O7-δ samples and found that the irreversibility line takes an exponential form B*-e(-T/Tc) over the temperature range of 72-85K, whereas the corresponding magnetic measurement at 77K gave a nonvanishing critical current density It is shown in the present paper that the functional expression of irreversibility line and pinning potential U0 of samples are closely associated.
Type of Medium:
Online Resource
ISSN:
1000-3290
,
1000-3290
Language:
Unknown
Publisher:
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Publication Date:
1992
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