Mechanisms affecting kinetic energies of laser-ablated materials

K. R. Chen, J. N. Leboeuf, R. F. Wood, D. B. Geohegan, J. M. Donato, C. L. Liu, A. A. Puretzky

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Abstract

A dynamic source effect was found to accelerate the plume expansion velocity much higher than that from a conventional free-expansion model. A self-similar theory and a hydrodynamic model are developed to study this effect, which may help to explain experimentally observed high front expansion velocity. Background gas can also affect the kinetic energies. High background gas may cause the ablated materials to go backward. Experimentally observed plume splitting is also discussed.

Original languageEnglish
Pages (from-to)1111-1114
Number of pages4
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume14
Issue number3
DOIs
Publication statusPublished - 1996 Jan 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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    Chen, K. R., Leboeuf, J. N., Wood, R. F., Geohegan, D. B., Donato, J. M., Liu, C. L., & Puretzky, A. A. (1996). Mechanisms affecting kinetic energies of laser-ablated materials. Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, 14(3), 1111-1114. https://doi.org/10.1116/1.580278