Kis, A.Jensen, K.Aloni, S.Mickelson, W.Zettl, A.2010-07-212010-07-212010-07-21200610.1103/PhysRevLett.97.025501https://infoscience.epfl.ch/handle/20.500.14299/51813Interlayer Forces and Ultralow Sliding Friction in Multiwalled Carbon Nanotubestext::journal::journal article::research article