Authors: Antoniammal, Paneerselvam; Arivuoli, Dakshanamoorthy

Source: Journal of Nanoscience and Nanotechnology, Volume 12, Number 2, February 2012 , pp. 993-1000(8)

Publisher: American Scientific Publishers

Abstract:

The size and shape dependence of the melting temperature of Boron Carbide (B₄C) nanoparticles has been investigated with a numerical thermo dynamical approach. The problem considered in this paper is the inward melting of nanoparticles with spherical and cylindrical geometry. The cylindrical Boron Carbide (B₄C) nanoparticles, whose melting point has been reported to decrease with decreasing particle radius, become larger than spherical shaped nanoparticle. Comparative investigation of the size dependence of the melting temperature with respect to the two shapes is also been done. The melting temperature obtained in the present study is approximately a dealing function of radius, in a good agreement with prediction of thermo dynamical model.

Keywords: NANOPARTICLES; MELTING TEMPERATURE; RADIUS OF CURVATURE

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2012.5149

Publication date: 2012-02-01

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