The absence of a linear behaviour of the dependence of the resistance R(T ) over a temperature interval 77-300 K was observed for ceramic superconductors YBa 2 Cu 3 O 7-δ and thick polycrystalline films of the same composition with the addition of silver. A comparative analysis of the excess conduct
Model analyses of thermal conductivity and purity of doped Ag in Ag + YBa2Cu3O7
✍ Scribed by H. Fujishiro; M. Ikebe; Y. Minato; H. Ogasawara; K. Noto
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 152 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0749-6036
No coin nor oath required. For personal study only.
✦ Synopsis
The thermal conductivities κ(T ) of Ag-doped YBa 2 Cu 3 O 7 sintered materials were measured for various Ag fractions up to f Ag = 0.67. By analyzing the κ(T ) data based on a proposed phenomenological model, the purity of doped Ag in YBa 2 Cu 3 O 7 could be determined.
📜 SIMILAR VOLUMES
A symmetry analysis based on line-group formalism is given for the YBa 2 Cu 3 O 7-x high temperature superconductor with 7-x = 6.55, which gives rise to a superlattice phase. The diffuse x-ray scattering intensity curves are calculated for each allowed supersymmetry. An analysis is given for compari