Anisotropy inc-axis oriented YBa2Cu3O7−δ
| Autor: | J. C. Lam, C. Boekema, D. W. Cooke, R.S. Kwok, D. E. Farrell, N. Bansal, T. R. Adams, R. L. Lichti |
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| Rok vydání: | 1991 |
| Předmět: |
Nuclear and High Energy Physics
Materials science Flux pinning Condensed matter physics Relaxation (NMR) Muon spin spectroscopy Condensed Matter Physics Atomic and Molecular Physics and Optics Magnetic field Nuclear magnetic resonance Condensed Matter::Superconductivity visual_art visual_art.visual_art_medium Ceramic Crystallite Physical and Theoretical Chemistry Anisotropy Penetration depth |
| Zdroj: | Hyperfine Interactions. 63:73-79 |
| ISSN: | 1572-9540 0304-3843 |
| DOI: | 10.1007/bf02395987 |
| Popis: | Muon spin relaxation (μSR) data taken at LAMPF on ac-axis oriented fine powder sample of YBa2Cu3O7−δ (YBCO) embedded in epoxy are analyzed for relaxation rate anisotropy. Clear differences beyond simple magnetic field penetration depth anisotropy are observed forB‖c andBc. The low-temperature anisotropy ratio is consistent with oriented ceramic data. Small crystallite size and anisotropic flux pinning characteristics are suggested as the fundamental cause of the additional effects. |
| Databáze: | OpenAIRE |
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