A 89Y NMR study of substitution for copp
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R. Dupree; A. Gencten; D.McK. Paul
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Article
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1992
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Elsevier Science
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English
⚖ 990 KB
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