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Non-monotonic dependence of temperature of Au nanometer films dissociation into droplets on their thickness on Al2O3 surface

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Abstract

The process of melting with consequent disintegration into droplets of various thickness Au thin films has been studied. An unexpected character of the melting–disintegration temperature dependence on thin-film thickness has been found: a reduction of the process temperature has been observed with thickness in the range from 100 to 20 nm; however, the disintegration temperature starts to increase for Au film thicknesses lower than 20 nm. It is supposed that the observed non-monotonic behavior of the process temperature is caused by the influence of the substrate interaction with the film, resulting in an entropy change of the system.

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Authors and Affiliations

  1. Moscow Institute of Electronic Technology, Technical University, Zelenograd, 124498, Moscow, Russia

    D. G. Gromov, S. A. Gavrilov, E. N. Redichev, I. S. Chulkov, M. Y. Anisimov, S. V. Dubkov & S. I. Chulkov

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  1. D. G. Gromov
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  2. S. A. Gavrilov
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  3. E. N. Redichev
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  4. I. S. Chulkov
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  5. M. Y. Anisimov
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  6. S. V. Dubkov
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  7. S. I. Chulkov
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Correspondence to D. G. Gromov.

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Gromov, D.G., Gavrilov, S.A., Redichev, E.N. et al. Non-monotonic dependence of temperature of Au nanometer films dissociation into droplets on their thickness on Al2O3 surface. Appl. Phys. A 99, 67–71 (2010). https://doi.org/10.1007/s00339-009-5500-z

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  • DOI: https://doi.org/10.1007/s00339-009-5500-z

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