Muon-spin rotation study of magnetism in NaxCoO2 single crystals with 0.78 x 0.97 C. Bernhard, Ch. Niedermayer, A. Drew, G. Khaliullin, S. Bayrakci, J. Strempfer, R. K. Kremer, D. P. Chen, C. T. Lin and B. Keimer EPL, 80 2 (2007) 27005 Published online: 20 September 2007 DOI: 10.1209/0295-5075/80/27005