COLL 61 |
| Oleg A. Mazyar and William L. Hase. Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409-1061 |
| The dynamics of energy transfer across the interface between a small hot nanoscale diamond {111} particle and a much larger identical particle were investigated by classical molecular dynamics simulations. The outer boundary of the large particle was coupled to a 300 K heat bath. Energy transfer from the small hot particle was studied by monitoring the temperatures of the different layers of the small particle as a function of time. Both lateral and perpendicular temperature gradients for the larger particle were also monitored. This energy transfer was simulated as a function of the force applied to the small particle, the initial temperature difference between the two particles, the size of the small particle, the interfacial contact area of the two particles, and alterations in the chemical composition of the interface. Preliminary simulation results of the friction and energy dissipation of similar sliding surfaces are also reported. |
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Friction, Lubrication, and Adhesion in Micro- and Nano-Scale Devices
2:00 PM-5:00 PM, Sunday, March 28, 2004 Marriott -- Orange County 5, Oral
Division of Colloid and Surface Chemistry |