ELECTROMAGNETIC AND MICROSTRUCTURAL PROPERTIES OF PURE C-AXIS TWIST Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} BICRYSTAL JUNCTIONS
Conference
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OSTI ID:757121
- BROOKHAVEN NATIONAL LABORATORY
Bulk Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} (Bi2212) bicrystals containing a single high quality [001] twist grain boundary junction were prepared in order to investigate the orbital symmetry of the superconducting order parameter in highly anisotropic Bi-based high temperature superconductors. The misorientation angles of the bicrystals ranged from 0 to 180{degree}. The microstructure in the vicinity of the junction was characterized using high-resolution, nano-probe analytical microscopy. The authors found that some high angle twist junctions were able to carry a critical current density similar to their constituent single crystals. These results cannot be interpreted in terms of a pure d{sub x{sup 2}-y{sup 2}}-wave order parameter for superconducting Bi2212.
- Research Organization:
- Brookhaven National Lab., Upton, NY (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 757121
- Report Number(s):
- BNL--65655; KC02010300; KC02010300
- Country of Publication:
- United States
- Language:
- English
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