Oxidation of nanophase tin particles

Moo Young Huh; Sun Ho Kim; Jae Pyoung Ahn; Jong Ku Park; Byoung Kee Kim

doi:10.1016/S0965-9773(99)00034-3

Oxidation of nanophase tin particles

Moo Young Huh, Sun Ho Kim, Jae Pyoung Ahn, Jong Ku Park, Byoung Kee Kim

* Honorary professors

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

Tin particles of nanometer size have been synthesized by the gas condensation method using helium as the convection gas. In order to study oxidation behaviors of the nanophase tin powder, the changes in morphology and crystal phases were investigated during heat treatment in air. The as-synthesized powder was oxidized to both the stable tetragonal SnO₂ and the non-stable orthorhombic SnO₂ which is known to form at extremely high pressure. An intermediate annealing at 225°C for 20 hours gave rise to the oxidation induced amorphization of nano-sized tin particles. The formation of the amorphous tin oxide was explained by suppressed nucleation of crystalline oxides in nano-sized particles. The amorphous tin oxide was transformed into the tetragonal SnO₂ through crystallization.

Original language	English
Pages (from-to)	211-220
Number of pages	10
Journal	Nanostructured Materials
Volume	11
Issue number	2
DOIs	https://doi.org/10.1016/S0965-9773(99)00034-3
Publication status	Published - 1999 Mar

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1016/S0965-9773(99)00034-3

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title = "Oxidation of nanophase tin particles",

abstract = "Tin particles of nanometer size have been synthesized by the gas condensation method using helium as the convection gas. In order to study oxidation behaviors of the nanophase tin powder, the changes in morphology and crystal phases were investigated during heat treatment in air. The as-synthesized powder was oxidized to both the stable tetragonal SnO2 and the non-stable orthorhombic SnO2 which is known to form at extremely high pressure. An intermediate annealing at 225°C for 20 hours gave rise to the oxidation induced amorphization of nano-sized tin particles. The formation of the amorphous tin oxide was explained by suppressed nucleation of crystalline oxides in nano-sized particles. The amorphous tin oxide was transformed into the tetragonal SnO2 through crystallization.",

author = "Huh, {Moo Young} and Kim, {Sun Ho} and Ahn, {Jae Pyoung} and Park, {Jong Ku} and Kim, {Byoung Kee}",

note = "Funding Information: This work was supported by the KOSEF (961-0802-012-2) and the nanoMAT.",

year = "1999",

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doi = "10.1016/S0965-9773(99)00034-3",

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T1 - Oxidation of nanophase tin particles

AU - Huh, Moo Young

AU - Kim, Sun Ho

AU - Ahn, Jae Pyoung

AU - Park, Jong Ku

AU - Kim, Byoung Kee

N1 - Funding Information: This work was supported by the KOSEF (961-0802-012-2) and the nanoMAT.

PY - 1999/3

Y1 - 1999/3

N2 - Tin particles of nanometer size have been synthesized by the gas condensation method using helium as the convection gas. In order to study oxidation behaviors of the nanophase tin powder, the changes in morphology and crystal phases were investigated during heat treatment in air. The as-synthesized powder was oxidized to both the stable tetragonal SnO2 and the non-stable orthorhombic SnO2 which is known to form at extremely high pressure. An intermediate annealing at 225°C for 20 hours gave rise to the oxidation induced amorphization of nano-sized tin particles. The formation of the amorphous tin oxide was explained by suppressed nucleation of crystalline oxides in nano-sized particles. The amorphous tin oxide was transformed into the tetragonal SnO2 through crystallization.

AB - Tin particles of nanometer size have been synthesized by the gas condensation method using helium as the convection gas. In order to study oxidation behaviors of the nanophase tin powder, the changes in morphology and crystal phases were investigated during heat treatment in air. The as-synthesized powder was oxidized to both the stable tetragonal SnO2 and the non-stable orthorhombic SnO2 which is known to form at extremely high pressure. An intermediate annealing at 225°C for 20 hours gave rise to the oxidation induced amorphization of nano-sized tin particles. The formation of the amorphous tin oxide was explained by suppressed nucleation of crystalline oxides in nano-sized particles. The amorphous tin oxide was transformed into the tetragonal SnO2 through crystallization.

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DO - 10.1016/S0965-9773(99)00034-3

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Oxidation of nanophase tin particles

Abstract

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