An examination of one component model in Zn and Ni doped $YBa_2Cu_3O_{7-delta}$

Abstract

On component model is widely used to describe the behaviour of NMR in high Tc superconductors. In this study, one component model was examined by comparing theory and experiment from $^{89}Y$ NMR point of view in Zn and Ni doped $YBa_2Cu_3O_{7-delta}$ superconductors. It was found that theoretical calculations obtained from one component model are not in agreement with the experimental data.