Staging model of the ordered stacking of vacancy layers and phase separation in the layered NaCoO(x > 0.71) single crystals

G. J. Shu, F. -T. Huang, M. -W. Chu +3

Phase diagram of Na${}_x$CoO${}_2$ (x $\gtrsim$ 0.71) has been reinvestigated using electrochemically fine tuned single crystals. Both phase separation and staging phenomena as a resul…