Drastic ground state changes induced by Ni substitution in NaxCoO2

N. Gayathri, M. Premila, A. Bharathi +3

We report on the effect of Ni substitution at the Co site on the physical properties of NaxCoO2 system by investigating the series NaxCo1-yNiyO2 (x=0.75, 0<y<0.15). An upturn in th…