Influence of flux composition on the superconducting properties of single crystal Bi2CaSr2Cu2O8
β Scribed by P.D. Han; D.A. Payne
- Book ID
- 119124478
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 370 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0167-577X
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Parent Bi2CaSr2Cu2Os+6 superconductor was doped with oxygen by annealing powder sample at 500 Β°C in the flowing oxygen atmosphere with intermittent grinding. The amount of amorphous phase and insulating layer found on the sanh~le surface was increased with more oxygen doping. As a consequence, the
The formation of the Cu-Bi2CaSr2Cu208 interface has been studied by photoelectron spectroscopy using synchrotron radiation. Photon energies in the range 20-1000 eV were utilized in order to probe both the valence band and to monitor chemical changes upon Cu deposition, as revealed by the corelevel s
We report on measurements of DC and AC Josephson effects in small sized Bi2CaSr2Cu208 single crystals. The results are consistent with the assumption that adjacent CuO double layers are coupled via Josephson mechanisms.