Casimir attractive-repulsive transition in MEMS M. Boström, S.Å. Ellingsen, I. Brevik, M.F. Dou, C. Persson and Bo E. Sernelius Eur. Phys. J. B, 85 11 (2012) 377 Published online: 19 November 2012 DOI: 10.1140/epjb/e2012-30794-5