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Kvantovaya Elektronika, 2017, Volume 47, Number 6, Pages 509–521 (Mi qe16630)  

This article is cited in 19 scientific papers (total in 19 papers)

Interaction of laser radiation with matter. Laser plasma

Formation and crystallisation of a liquid jet in a film exposed to a tightly focused laser beam

S. I. Anisimova, V. V. Zhakhovskiib, N. A. Inogamova, S. A. Murzovcb, V. A. Khokhlova

a L.D. Landau Institute for Theoretical Physics of Russian Academy of Sciences
b All-Russian Scientific Research Institute of Automatics, Moscow
c Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow region
References:
Abstract: This paper considers the effect of an ultrashort laser pulse on a thin gold film on a glass substrate at a focal spot size near 1 μm. We analyse the motion and thermal history of a film that has peeled off from the substrate in the heating spot as a consequence of melting. The detached zone is shown to form a domeshaped bump whose motion is hindered by surface tension. After the dome stops and turns back, towards the substrate, a jet begins to grow on its top. Concurrently, because of the heat dissipation in the film, melt recrystallisation begins, involving first the dome and then the jet. The liquid part of the jet elongates and breaks up into droplets because of the Plateau–Rayleigh instability development. The formation of a neck and the detachment of the last droplet occur in the solidification zone between the crystalline and liquid parts of the jet. The propagation of the crystallisation zone in the jet leads the necking process, so neck disruption occurs in the solid phase under nonequilibrium crystallisation conditions (the melt temperature is hundreds of kelvins lower than the melting point), at limiting mechanical stress and at high deformation rates. As a result, the jet transforms into a high needle with an extremely small tip radius (a few nanometres).
Keywords: ultrashort laser exposure, ablation of thin films, single nanostructures.
Funding agency Grant number
Russian Science Foundation 14-19-01599
Received: 24.03.2017
English version:
Quantum Electronics, 2017, Volume 47, Issue 6, Pages 509–521
DOI: https://doi.org/10.1070/QEL16381
Bibliographic databases:
Document Type: Article
Language: Russian
Supplementary materials:
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Citation: S. I. Anisimov, V. V. Zhakhovskii, N. A. Inogamov, S. A. Murzov, V. A. Khokhlov, “Formation and crystallisation of a liquid jet in a film exposed to a tightly focused laser beam”, Kvantovaya Elektronika, 47:6 (2017), 509–521 [Quantum Electron., 47:6 (2017), 509–521]
Linking options:
  • https://www.mathnet.ru/eng/qe16630
  • https://www.mathnet.ru/eng/qe/v47/i6/p509
  • This publication is cited in the following 19 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Квантовая электроника Quantum Electronics
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    Abstract page:368
    Full-text PDF :86
    References:49
    First page:21
     
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