A 89Y NMR study of Pr- and Nd-doped YBa2Cu3O7
โ Scribed by Z.P. Han; R. Dupree; D. McK. Paul; A.P. Howes; L.W.J. Caves
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 537 KB
- Volume
- 181
- Category
- Article
- ISSN
- 0921-4534
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๐ SIMILAR VOLUMES
High resolution sq NMR shift and relaxation time measurements on YBa#r,+Os have been performed between 80 and 38OK. The shift at room temperature, --5 YBa$&074 and the relaxation time is longer. Below -2 I!@ m, is somewhat smaller than for fully oxygenated YBa2Cu306+s A comparison of the shift with
sgy NMR has been used to study the effect of a range of substitutions (V, Fe, Co, Ni, Zn, AI and Ga) for Cu in YBa2(Cut\_xMx)~OT. A different behaviour is observed for the substitutions (Fe, Co, Ai and Ga), which go into the chain site and change the structure to tetragonal, compared to the other su