A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles

Auge A, Weddemann A, Vogel B, Wittbracht F, Hütten A (2010)
APPLIED PHYSICS LETTERS 96(9): 093111.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
The oxidation behavior of metallic nanoparticles is investigated in respect to ligand influences. The nanoparticle oxidation is modeled in a shell-core approach. The shell represents oxidation of surface atoms modeled by Johnson-Mehl-Avrami-Kolmogorov equations for isothermal growth. The oxidation of the nanoparticle core is described by a model introduced by Cabrera and Mott [Rep. Prog. Phys. 12, 163 (1949)]. In order to investigate the ligand influence one single parameter is introduced for both surface and bulk oxidation. The growth of the oxide layer is simulated in a level set framework via finite element methods. The theoretical results are compared to experimental findings of Kanninen [J. Coll. Interf. Sci. 318, 88 (2008)].
Erscheinungsjahr
Zeitschriftentitel
APPLIED PHYSICS LETTERS
Band
96
Zeitschriftennummer
9
Seite
093111
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Auge A, Weddemann A, Vogel B, Wittbracht F, Hütten A. A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles. APPLIED PHYSICS LETTERS. 2010;96(9):093111.
Auge, A., Weddemann, A., Vogel, B., Wittbracht, F., & Hütten, A. (2010). A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles. APPLIED PHYSICS LETTERS, 96(9), 093111. doi:10.1063/1.3353957
Auge, A., Weddemann, A., Vogel, B., Wittbracht, F., and Hütten, A. (2010). A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles. APPLIED PHYSICS LETTERS 96, 093111.
Auge, A., et al., 2010. A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles. APPLIED PHYSICS LETTERS, 96(9), p 093111.
A. Auge, et al., “A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles”, APPLIED PHYSICS LETTERS, vol. 96, 2010, pp. 093111.
Auge, A., Weddemann, A., Vogel, B., Wittbracht, F., Hütten, A.: A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles. APPLIED PHYSICS LETTERS. 96, 093111 (2010).
Auge, Alexander, Weddemann, Alexander, Vogel, Britta, Wittbracht, Frank, and Hütten, Andreas. “A level set based approach for modeling oxidation processes of ligand stabilized metallic nanoparticles”. APPLIED PHYSICS LETTERS 96.9 (2010): 093111.