Paper Title:
Effect of Particle Size on the Oxidation Behavior of Nanophase Tin Synthesized by Inert Gas Condensation
  Abstract

Nanophase tin powder having sizes ranging from 6 to 40 nm was synthesized by the inert gas condensation method using helium as the convection gas. As-synthesized particles smaller than 8 nm were the amorphous tin oxide. As-synthesized particles larger than 10 nm can be characterized by the core-shell structure comprising inner crystalline tin core and outer amorphous tin oxide shell having a thickness of about 4 nm. Upon annealing in air, the oxidation of nanophase tin particles strongly depended on particle size. With increasing particle size, the transformation into the crystalline phases took places at a higher temperature. Calculation of the size dependent melting temperature of tin particles indicates that melting of the tin encapsulated with the amorphous tin oxide took place prior to the oxidation.

  Info
Periodical
Solid State Phenomena (Volume 119)
Edited by
Chang Kyu Rhee
Pages
9-12
DOI
10.4028/www.scientific.net/SSP.119.9
Citation
J.S. Kim, M. Y. Huh, J. P. Ahn, "Effect of Particle Size on the Oxidation Behavior of Nanophase Tin Synthesized by Inert Gas Condensation", Solid State Phenomena, Vol. 119, pp. 9-12, 2007
Online since
January 2007
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$32.00
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