Synthesis of C x Sr 2 Ca 2 Cu 3 O z Superconductor from Sr 2 Ca 2 Cu 3 O y Precursor
β Scribed by Aoba, Tomoya; Suzuki, Tsuneo; Nakayama, Tadachika; Suematsu, Hisayuki; Niihara, Koichi
- Book ID
- 120483689
- Publisher
- Institute of Pure and Applied Physics
- Year
- 2013
- Tongue
- English
- Weight
- 502 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0021-4922
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π SIMILAR VOLUMES
A series of solid solutions containing CO3 groups, (CyCul\_y)(Srl \_z/2Caz/2)2(Y1 \_xCax\_zSrz)Cu20 d with 0.30<x <0.70, was prepared at 1313 K under the atmosphere of 02-4202. The values ofy (0.48-0.67) and z (0.14--0.28) depend on the total Ca content, x. The length of the a-axis increases from 3.
Polycrystalline Bi-2212 or Bi-2223 systems and single crystals of the Bi-2212 system were investigated at several temperatures by means of the break-junction and pointcontact tunneling techniques, respectively. The measured averaged gap values are 2Ll=65Β±4 meV in the Bi-2223 and 2Ll=45Β±5 meV in the