DECOMPOSITION OFC60MOLECULES ON Si(100)(2 × 1) SURFACE

Şakir Erkoç () and Şenay Katircioğlu
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Şakir Erkoç: Department of Physics, Middle East Technical University, 06531 Ankara, Turkey
Şenay Katircioğlu: Department of Physics, Middle East Technical University, 06531 Ankara, Turkey

International Journal of Modern Physics C (IJMPC), 2000, vol. 11, issue 05, 1067-1076

Abstract: We have investigated the decomposition ofC60molecules with low and high coverages on Si(100)(2×1) surface at elevated temperatures. We also investigated the decomposition of an isolatedC60molecule. We employed molecular-dynamics simulation using a model potential. It has been found thatC60decomposes on Si(100) surface after 1000 K in the case of low coverage (0.11), however in high coverage case (0.67),C60molecules decompose after 900 K. On the other hand, isolatedC60molecule decomposes after 7500 K, interestingly it shows a phase change from 3D to 2D at higher temperatures.

Keywords: Si(100) Surface; C60; MD Simulation; Empirical Potential; 61.48.+c; 68.35.Fx; 02.70.Ns (search for similar items in EconPapers)
Date: 2000
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DOI: 10.1142/S0129183100000900

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