Study of the electronic structure of Ba(Pb,Bi)O3−δ single crystals
✍ Scribed by H. Guyot
- Book ID
- 118366477
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 480 KB
- Volume
- 287-288
- Category
- Article
- ISSN
- 0039-6028
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Single crystals of the superconductor BaPbt \_xBixO3 with nominal compositions of x=0.25, were grown by cooling from the melt using an excess of PbO. The superconducting transitions have been measured on the grown crystals as a function of oxygen annealing and sharp transitions with T¢on~t at 12 K h
The new bulk, melt-textured grown composite Nd,,,Y,~,Ba,Cu,O,-, , which also forms large single crystals, has the standard high-T, 123 orthorhombic structure when oxygenated and a very high critical current density in a magnetic field of 0.5 T. Both of these results were not anticipated, as the Nd a