Highly confined stacks of graphene oxide sheets in water Rafael Leite Rubim, Margarida Abrantes Barros, Thomas Missègue, Kévin Bougis, Laurence Navailles and Frédéric Nallet Eur. Phys. J. E, 41 3 (2018) 30 Published online: 15 March 2018 DOI: 10.1140/epje/i2018-11636-5