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Paper   IPM / Nano-Sciences / 12008
School of Nano Science
  Title:   Directed motion of C60 on a graphene sheet subjected to a temprature gradient
  Author(s): 
1.  Amir Lohrasebi
2.  Mehdi Neek-Amal
3.  M. R. Ejtehadi
  Status:   Published
  Journal: Phys. Rev. E
  No.:  4
  Vol.:  83
  Year:  2011
  Publisher(s):   American Physical Society
  Supported by:  IPM
  Abstract:
Nonequilibrium molecular dynamics simulations are used to study the motion of a C(60) molecule on a graphene sheet subjected to a temperature gradient. The C(60) molecule is actuated and moves along the system while it just randomly dances along the perpendicular direction. Increasing the temperature gradient increases the directed velocity of C(60). It is found that the free energy decreases as the C(60) molecule moves toward the cold end. The driving mechanism based on the temperature gradient suggests the construction of nanoscale graphene-based motors.

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