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Molecular dynamics simulation of Co thin films growth on Cu(001) |
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| Authors: | N Levanov V.S Stepanyuk W Hergert O.S Trushin K Kokko |
| Affiliation: | a Moscow State University, Department of Physics, Moscow 117234, Russia b Martin-Luther-Universität Halle–Wittenberg, FB Physik, D-06099 Halle, Germany c Institute of Microelectronics, Russian Academy of Sciences, Universitetskaya 21, Yaroslavl 150007, Russia d University of Turku, Department of Physics, FIN-20014 Turku, Finland |
| Abstract: | Results of MD simulations of the structure of ultrathin films of Co on Cu(001) are presented. Growth conditions corresponding to vacuum evaporation as well as laser ablation are considered. The dynamics of the growth process and the structure of the as-deposited films are investigated as a function of the kinetic energy of adatoms. The effect of fast interdiffusion due to a high impact energy is observed. Tight-binding potentials in the second-moment approximation are used. Co–Cu interaction parameters are determined from ab-initio electronic structure calculations. |
| Keywords: | Magnetic thin films Cobalt Ultrathin films Copper Film growth Molecular dynamics Surface roughness Morphology Evaporation Computer simulation Laser ablation Deposition Interdiffusion (solids) Surface topology Adatoms Kinetic energy |
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