Non-resonant microwave absorption in the high temperature superconductor Bi2Sr2CaCu2O8+δ
✍ Scribed by F.J. Owens; Z. Iqbal
- Book ID
- 108024699
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 351 KB
- Volume
- 166
- Category
- Article
- ISSN
- 0921-4534
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📜 SIMILAR VOLUMES
The lattice parameters a and c, superconducting onset temperature T c and volume fraction rate of superconductive phase f s were studied for the Bi2Sr2CaCu208+y-6. Where 6 is the oxygen deficiency in that system per chemical formula unit. All of the above quantities rapidly decreased with increasing
X-band ( -9.4 GHz) microwave-absorption measurements have been performed on single and polycrystals of the high-T, superconducting material Bi,Sr,CaCu 2 0 8+d in the temperature range 4.2-100 K. The microwave absorption indicated the onset of the transition to the superconducting phase at 89 K, the
Susceptibility, resistivity and X-ray diffraction measurements have been performed on single crystals of BiESr2CaCu208+ 8. Very sharp (0.5 K width) superconducting transition temperatures as low as 55 K have been reached in the overdoped part of the phase diagram. Anneals in low oxygen pressures hav