Crystal structure and high-Tc superconductivity in the system GdBa2−xSrxCu3O7−δ
✍ Scribed by D.B. Currie; A.M. Forrest
- Book ID
- 107855645
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 238 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0038-1098
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The dependence of crystal structure, oxygen content and T c of ceramic GdBa 2\_ xSr~Cu307 ,s (0.0 < x \_< 1.6) samples on three different sets of annealing conditions was investigated. For samples annealed in oxygen at 900°C, a decrease of T c and orthorhombicity was observed with increasing Sr cont
A series of superconductors GdBa2Cu3\_xFexO7\_, have been prepared to study the effect of the substitution of Fe for Cu on the crystal structure, T c and magnetic properties. For x~ 0.07, the substitution of Fe for Cu increases the lattice parameter a, but decreases the lattice parameter b; for x >