Dome-shaped magnetic phase diagram of thermoelectric layered cobaltites

J. Sugiyama, J. H. Brewer, E. J. Ansaldo +7

Using muon spin spectroscopy we have found that, for both Na${}_x$CoO${}_2$ (0.6 $\le x\le$ 0.9) and 3- and 4-layer cobaltites, a common low temperature magnetic state (which in som…