The superconducting transition and critical current density were studied for epitaxial YBa2Cu307\_x thin films as a function of temperature, magnetic field and electric voltage gradient. A linear section of the curve of the logarithm of apparent voltage versus transport current density, In(E)-J, was
High critical current density in epitaxial YBa2Cu3O7 thin films
โ Scribed by M. Ye; M. Mehbod; R. Deltour
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 418 KB
- Volume
- 204
- Category
- Article
- ISSN
- 0921-4526
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The critical current density Jc of YBazCu30 x epitaxial film as a function of the angle 0 between magnetic field and ab-plane with H \_1\_ I and temperature was measured in various magnetic fields. Maxima of Jc were observed near 0 ยฐ and 90 ยฐ, respectively, with that for the latter higher than that
Critical current measurements are reported for narrow strips ( down to -1.0 gm) of YBa2Cu 3 07\_ 8 thin films deposited and lithographically patterned by various means. A systematic increase in Uae critical current aensities is observed in tile narrowest strips, suggesting the possible presence of e