Abstract
The chirality of a multiwalled carbon nanotube (MWNT) on graphite has been determined to be of a zigzag type using frictional force microscopy. The force per angstrom required to rotate the zigzag MWNTs in-plane on graphite has been estimated to be approximately 4pN. Natural rolling induced by a tip contact appears in commensurate contact with a graphite surface. The difference between natural rolling and rolling with stick-slip lateral behavior is discussed.
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