Dewetting modes of thin metallic films : nucleation of holes and spinodal dewetting

Bischof, Jörg; Scherer, Dieter; Herminghaus, Stephan; Leiderer, Paul

Dewetting modes of thin metallic films : nucleation of holes and spinodal dewetting

Dateien

180_physrevlett_1996.pdfGröße: 157.66 KBDownloads: 888

Datum

1996

Autor:innen

Bischof, Jörg

Scherer, Dieter

Herminghaus, Stephan

Leiderer, Paul

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review Letters. 1996, 77(8), pp. 1536-1539. Available under: doi: 10.1103/PhysRevLett.77.1536

Zusammenfassung

We have studied the dewetting of thin liquid metal films (Au, Cu, Ni) on fused silica substrates which occurs after melting with a Q-switched laser pulse. Optical microscopy, scanning electron microscopy, and scanning near field acoustic microscopy reveal two distinctly different modes of the dewetting process: On one hand, we observe heterogeneous nucleation of dry circular patches, which grow in diameter during the melting period. On the other hand, an instability of the liquid film against the growth in amplitude of surface waves with a characteristic wavelength is observed, which we believe is the first observation of spinodal dewetting. In contrast, the final structure of the ruptured film depends on whether nucleation or spinodal dewetting is dominant.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

BISCHOF, Jörg, Dieter SCHERER, Stephan HERMINGHAUS, Paul LEIDERER, 1996. Dewetting modes of thin metallic films : nucleation of holes and spinodal dewetting. In: Physical Review Letters. 1996, 77(8), pp. 1536-1539. Available under: doi: 10.1103/PhysRevLett.77.1536

BibTex

@article{Bischof1996Dewet-9054,
  year={1996},
  doi={10.1103/PhysRevLett.77.1536},
  title={Dewetting modes of thin metallic films : nucleation of holes and spinodal dewetting},
  number={8},
  volume={77},
  journal={Physical Review Letters},
  pages={1536--1539},
  author={Bischof, Jörg and Scherer, Dieter and Herminghaus, Stephan and Leiderer, Paul}
}

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