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High temperature instability of hollow nanoparticles

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Abstract

The concept of the Gibbs energy balance is used to derive the evolution equation of both surfaces of a hollow nanosphere. The process is driven by reducing the surface energy and the elastic energy stored in the bulk. A semianalytical solution is provided for the time period during which a hollow nanosphere shrinks to a compact nanospherical particle. Comparison with recently reported results is performed.

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Acknowledgements

Financial support by the Österreichische Forschungsförderungsgesellschaft mbH, the Province of Styria, the Steirische Wirtschaftsförderungsgesellschaft mbH and the Municipality of Leoben under the frame of the Austrian Kplus Programme is gratefully acknowledged. The works have been also performed in the frame of COST action P19 and supported by the Grant Agency of the Academy of Sciences of the Czech Republic—grant No. A200410601 and by the program Kontakt—Austrian-Czech Scientific Cooperation No. 05/2006.

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Authors and Affiliations

  1. Institute of Mechanics, Montanuniversität Leoben, Franz-Josef-Strasse 18, Leoben, 8700, Austria

    F. D. Fischer

  2. Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Žižkova 22, Brno, 616 62, Czech Republic

    J. Svoboda

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  1. F. D. Fischer
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  2. J. Svoboda
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Correspondence to F. D. Fischer.

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Fischer, F.D., Svoboda, J. High temperature instability of hollow nanoparticles. J Nanopart Res 10, 255–261 (2008). https://doi.org/10.1007/s11051-007-9242-6

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  • DOI: https://doi.org/10.1007/s11051-007-9242-6

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