Vortex–antivortex unbinding in oxygen-deficient YBa2Cu3O7−δ films
✍ Scribed by L. Miu; D. Miu; G. Jakob; H. Adrian
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 205 KB
- Volume
- 463-465
- Category
- Article
- ISSN
- 0921-4534
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A simple technique is described for the control and determination of the oxygen stoichiometry between 6.95-5.83 of pure deoxygenated YBa2Cu307\_ ~ (YBCO). By studying samples prepared using this method, two anomalous properties, namely ( 1 ) the step-like increase of the c-axis length of the crystal
We report on measurements of both the longitudinal and transverse magnetoresistivity (MR) of oxygen-reduced YBa 2 Cu 3 O 7-δ (YBCO) thin films with critical temperatures between T c = 55 K and T c = 89 K. We find the MR solely caused by the suppression of superconducting fluctuations by a magnetic f