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

doi:10.1116/1.580278

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

Functional Hybrid Nanomaterials

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34 Scopus citations

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 language	English
Pages (from-to)	1111-1114
Number of pages	4
Journal	Journal of Vacuum Science and Technology, Part A: Vacuum, Surfaces and Films
Volume	14
Issue number	3
DOIs	https://doi.org/10.1116/1.580278
State	Published - 1996

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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.",

author = "Chen, {K. R.} and Leboeuf, {J. N.} and Wood, {R. F.} and Geohegan, {D. B.} and Donato, {J. M.} and Liu, {C. L.} and Puretzky, {A. A.}",

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AU - Leboeuf, J. N.

AU - Wood, R. F.

AU - Geohegan, D. B.

AU - Donato, J. M.

AU - Liu, C. L.

AU - Puretzky, A. A.

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Mechanisms affecting kinetic energies of laser-ablated materials

Abstract

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