TY - GEN AU - Kis,A AU - Jensen,K AU - Aloni,S AU - Mickelson,W AU - Zettl,A TI - Interlayer forces and ultralow sliding friction in multiwalled carbon nanotubes SN - 0031-9007 PY - 2007///0206 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.97.025501 ER -