Journal of Nanoparticle Research

, Volume 12, Issue 8, pp 3003–3018 | Cite as

Simulation of silicon nanoparticles stabilized by hydrogen at high temperatures

  • Alexander Y. Galashev
Research Paper


The stability of different silicon nanoparticles are investigated at a high temperature. The temperature dependence of the physicochemical properties of 60- and 73-atom silicon nanoparticles are investigated using the molecular dynamics method. The 73-atom particles have a crystal structure, a random atomic packing, and a packing formed by inserting a 13-atom icosahedron into a 60-atom fullerene. They are surrounded by a “coat” from 60 atoms of hydrogen. The nanoassembled particle at the presence of a hydrogen “coat” has the most stable number (close to four) of Si–Si bonds per atom. The structure and kinetic properties of a hollow single-layer fullerene-structured Si60 cluster are considered in the temperature range 10 K ≤ T ≤ 1760 K. Five series of calculations are conducted, with a simulation of several media inside and outside the Si60 cluster, specifically, the vacuum and interior spaces filled with 30 and 60 hydrogen atoms with and without the exterior hydrogen environment of 60 atoms. Fullerene surrounded by a hydrogen “coat” and containing 60 hydrogen atoms in the interior space has a higher stability. Such cluster has smaller self-diffusion coefficients at high temperatures. The fullerene stabilized with hydrogen is stable to the formation of linear atomic chains up to the temperatures 270-280 K.


Cluster Fullerene Hydrogen Nanoparticle Silicon Structure Thermal stability Molecular dynamics Modeling and simulation 



This study was supported by the Presidium of the Ural Division of the Russian Academy of Sciences within the framework of the Integration Project of the Ural Division-Far East Division of the Russian Academy of Sciences.


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Ural Division, Institute of Industrial EcologyRussian Academy of SciencesYekaterinburgRussia

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