【摘 要】
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The Brenner-LJ potential is adopted to describe the interaction between C36 clusters and diamond surface,and the deposition mechanism of multi-Ca6 clusters on t
【机 构】
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Center for Precision Engineering,Harbin Institute of Technology,Harbin 150001,China
论文部分内容阅读
The Brenner-LJ potential is adopted to describe the interaction between C36 clusters and diamond surface,and the deposition mechanism of multi-Ca6 clusters on the diamond surface is also studied by using the method of molecular dynamics simulation.The simulation results show that the competition effects of two interactions,i.e.the interaction between cluster and cluster and the interaction between cluster and crystal plane,are studied,and then the influence of these competition effects on C36 cluster deposition is analysed.The finding is that when an incident energy is appropriately chosen,C36 clusters can be chemically adsorbed and deposited steadily on the diamond surface in the form of single-layer,and in the deposition process the multi-C36 clusters present a phenomenon of energy transmission.The experimental result shows that at a temperature of 300K,in order to deposit C36 clusters into a steady nanostructured single-layered film,the optimal incident energy is between 10 and 18 eV,if the incident energy is larger than 18 eV,the C36 clusters will he deposited into an island nano-structured film.
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