Controlled growth of single-grain YBa2Cu3O7 by top-seeding melt-texturing
β Scribed by J. Wang; I. Monot; S. Marinel; G. Desgardin
- Book ID
- 117358306
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 440 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0167-577X
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The microstructure of stoichiometric Bridgman melt-textured YBa2Cu307\_6 was investigated by transmission electron microscopy and electron diffraction. Crystal defects like twins, dislocations, small second-phase inclusions and lattice distortions are observed. The density of the dislocations is ext
Textured YBCO samples were produced following the partial-melt method with sample transport. Structural and compositional characterizations, performed by means of XRD and SEM/EDS, show the presence of the 123 with a small amount of 211 inclusions. The investigated samples show a non weak link behavi