23Na NMR study of sodium order in NaxCoO2 with 22K Neel temperature

H. Alloul, I. R. Mukhamedshin, A. V. Dooglav +4

We report a systematic study of the $c$ lattice parameter in the Na${}_x$CoO${}_2$ phases versus Na content $x>0.5$, in which sodium always displays ordered arrangements. This allo…