Correlation between geometry and nanobubble distribution on HOPG surface S. Yang, E. S. Kooij, B. Poelsema, D. Lohse and H. J. W. Zandvliet EPL, 81 6 (2008) 64006 Published online: 28 February 2008 DOI: 10.1209/0295-5075/81/64006