Hyperfine fields at the Ba site in YBa2Cu4O8: An NMR and NQR study
โ Scribed by A. Lombardi; M. Mali; J. Roos; D. Brinkmann
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 688 KB
- Volume
- 267
- Category
- Article
- ISSN
- 0921-4534
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๐ SIMILAR VOLUMES
The peak effect in the magnetic hysteresis of an untwinned YBa2Cu4Os single crystal has been measured at temperatures down to 5 K, using a high sensitivity susceptometer in pulsed magnetic fields up to 50 T. The pยขak effect is due to an increase of the flux pinning as the magnetic field increases an
NMR has been carded out in YBa2Cu4Oa with T~= 74 K. The nuclear quadrupole tensors in the oxygen sites were determined and compared with those in other h, igh-T~ cuprates. The hole densities in the oxygen and copper sites have been extracted from v~(O) and vQ(Cu) by assuming that the electric field