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A Y-89 NMR-STUDY OF YBA2CU4O8
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UNSPECIFIED (1991) A Y-89 NMR-STUDY OF YBA2CU4O8. In: 3RD INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY : HIGH TEMPERATURE SUPERCONDUCTORS, KANAZAWA, JAPAN, JUL 22-26, 1991. Published in: PHYSICA C, 185 (Part 2). pp. 1219-1220.
Full text not available from this repository.Abstract
High resolution Y-89 NMR shift and relaxation time measurements on YBa2Cu4O8 have been performed between 80 and 380K. The shift at room temperature, approximately -50ppm, is somewhat smaller than for fully oxygenated YBa2Cu3O7-delta and the relaxation time is longer. Below approximately 200K the shift starts to decrease rapidly, behaving very like YBa2Cu3O6.8. A comparison of the shift with the Cu-63 perpendicular-to (2) data shows that they have the same temperature dependence, indicating a common susceptibility, and that the ratio of the Cu-63 perpendicular-to (2) to Y-89 hyperfine coupling constants is the same as for YBa2Cu3O7-delta. The temperature dependence of the relaxation behaviour is not Korringa like but is similar to that of YBa2Cu3O6.8.
| Item Type: | Conference Item (UNSPECIFIED) |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICA C |
| Publisher: | ELSEVIER SCIENCE BV |
| ISSN: | 0921-4534 |
| Date: | 1 December 1991 |
| Volume: | 185 |
| Number: | Part 2 |
| Number of Pages: | 2 |
| Page Range: | pp. 1219-1220 |
| Publication Status: | Published |
| Title of Event: | 3RD INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY : HIGH TEMPERATURE SUPERCONDUCTORS |
| Location of Event: | KANAZAWA, JAPAN |
| Date(s) of Event: | JUL 22-26, 1991 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/22303 |
Data sourced from Thomson Reuters' Web of Knowledge
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