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Cited by 258

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Material decomposition mechanisms in femtosecond laser interactions with metals

Open access
Povarnitsyn, M. E., Itina, T. E., Sentis, M., Khishchenko, K. V., Levashov, P. R.·2007·Physical Review B

Abstract

A numerical hydrodynamic study of femtosecond laser ablation is presented. A detailed analysis of material decomposition is performed using a thermodynamically complete equation of state with separate stable and metastable phase states and phase boundaries. The lifetime of the metastable liquid state is estimated based on the classical theory of homogeneous nucleation. In addition, mechanical fragmentation of the target material is controlled based on available criteria. As a result, several ablation mechanisms are observed. A major fraction of the ablated material, however, is found to originate from the metastable liquid region, which is decomposed either thermally in the vicinity of the critical point into a liquid-gas-mixture or mechanically at high strain rate and negative pressure into liquid droplets and chunks. The calculation results explain available experimental findings.

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Crossref · 10.1103/physrevb.75.235414

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Metadata

Authors
Povarnitsyn, M. E., Itina, T. E., Sentis, M., Khishchenko, K. V., & Levashov, P. R.
Venue
Physical Review B
Published
2007-06-12
Volume
75
Issue
23
ISSN
  • 1098-0121 (ISSN-L)
  • 1550-235X
OpenAlex
W1974014707
Cited by
258
References
1
FWCI
19.60
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Material decomposition mechanisms in femtosecond laser interactions with metals. https://app.cochat.ai/papers/10.1103/physrevb.75.235414
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Povarnitsyn, M. E., Itina, T. E., Sentis, M., Khishchenko, K. V., & Levashov, P. R. (2007). Material decomposition mechanisms in femtosecond laser interactions with metals. Physical Review B. https://doi.org/10.1103/physrevb.75.235414

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