Effect of Oxygen Concentration on the Resistive Superconducting Transition of YBa 2 Cu 3 O 7− x   in High Magnetic Field | Zendy

Fuchs G. | Zendy; Gladun A. | Zendy; Drechsler S. L. | Zendy; Mueller R. | Zendy; Ritschel M. | Zendy; Krabbes G. | Zendy; Koppetzki N. | Zendy; Gilewski A. | Zendy

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Effect of Oxygen Concentration on the Resistive Superconducting Transition of YBa 2 Cu 3 O 7− x in High Magnetic Field

Author(s) -

Fuchs G.,

Gladun A.,

Drechsler S. L.,

Mueller R.,

Ritschel M.,

Krabbes G.,

Koppetzki N.,

Gilewski A.

Publication year - 1990

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221590227

Subject(s) - activation energy , electrical resistivity and conductivity , resistive touchscreen , superconductivity , condensed matter physics , oxygen , magnetic field , materials science , transition temperature , curvature , chemistry , physics , electrical engineering , organic chemistry , quantum mechanics , engineering , geometry , mathematics

The resistivity, T c and H c2 are studied in YBa 2 Cu 3 O 7− x as a function of oxygen deficiency for 0 < x < 0.46. For small x the resistive transition is dominated by thermally activated flu x creep. The temperature dependence of the activation energy is discussed. For x = 0.46, the influence of thermal activation could be neglected and a pronounced positive curvature of H c2 ( T ) and H c2 (0) > 45 T is found.

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