Critical current density and pinning energy of an epitaxial YBa2Cu3O7-δ-film
✍ Scribed by G.M. Stollman; B. Dam; J.H.P.M. Emmen; J. Pankert
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 616 KB
- Volume
- 159
- Category
- Article
- ISSN
- 0921-4534
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The microwave surface impedance and critical current density of epitaxially grown YBa2Cu307\_~ films prepared by different techniques on MgO, SrTiO3, LaAIO 3 and NdGaO3 have been measured and the correlations between them are discussed. At 77 K, in most cases, the highest Jc values have been achieve
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