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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2021, Volume 113, Issue 5, Pages 311–319
DOI: https://doi.org/10.31857/S1234567821050049 (Mi jetpl6376) 		 
This article is cited in 7 scientific papers (total in 7 papers)

OPTICS AND NUCLEAR PHYSICS

Femtosecond laser irradiation of a multilayer metal–metal nanostructure

S. A. Romashevskiya, V. A. Khokhlovb, S. I. Ashitkova, V. V. Zhakhovskyac, N. A. Inogamovabc, P. S. Komarova, A. N. Parshikovac, Yu. V. Petrovbd, E. V. Strulevaa, P. A. Tsygankove

a Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, 125412 Russia
b Landau Institute for Theoretical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432 Russia
c All-Russia Research Institute of Automatics, Moscow, 127055 Russia
d Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow region, 141701 Russia
e Universidad Industrial de Santander, 680003 Bucaramanga, Colombia
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DOI: https://doi.org/10.31857/S1234567821050049
Abstract: The selective modification of upper layers of a Ni/Al multilayer nanostructure irradiated by a single femtosecond laser pulse has been studied. The analysis of surface topography indicates that either partial or complete removal of two upper layers is possible depending on the absorbed energy. The surface has been scanned by an atomic force microscope. The numerical simulation of the phenomenon with a two-temperature hydrodynamic code has revealed an asynchronous dynamics of the electron subsystems of Ni and Al and an inhomogeneous heating of ion subsystems. As a result, a complex combination of compression and rarefaction waves is initiated in the multilayer target. It has been shown numerically that, as the absorbed energy increases, the first nickel layer is initially ruptured because of the localization of tensile stresses. The experimental and numerical thicknesses of the separated layer and the threshold energy are in agreement with each other. Consequently, the parameters of two-temperature models of nickel and aluminum are selected correctly.
Funding agency Grant number
Russian Science Foundation 19-19-00697
Ministry of Science and Higher Education of the Russian Federation 075-15-2020-785
S.A. Romashevskiy, S.I. Ashitkov, P.S. Komarov, and E.V. Struleva (experimental part) and V.A. Zhakhovsky, N.A. Inogamov, and A.N. Parshikov (theoretical part) acknowledge the support of the Russian Science Foundation (project no. 19-19-00697) and the Ministry of Science and Higher Education of the Russian Federation (project no. 075-15-2020-801). V.A. Khokhlov and Yu.V. Petrov (hydrodynamic simulation) acknowledge the support of the Ministry of Science and Higher Education of the Russian Federation (agreement no. 075-15-2020-785 with Joint Institute for High Temperatures, Russian Academy of Sciences).
Received: 26.11.2020
Revised: 24.01.2021
Accepted: 25.01.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2021, Volume 113, Issue 5, Pages 308–316
DOI: https://doi.org/10.1134/S002136402105009X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. A. Romashevskiy, V. A. Khokhlov, S. I. Ashitkov, V. V. Zhakhovsky, N. A. Inogamov, P. S. Komarov, A. N. Parshikov, Yu. V. Petrov, E. V. Struleva, P. A. Tsygankov, “Femtosecond laser irradiation of a multilayer metal–metal nanostructure”, Pis'ma v Zh. Èksper. Teoret. Fiz., 113:5 (2021), 311–319; JETP Letters, 113:5 (2021), 308–316
Citation in format AMSBIB
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    • This publication is cited in the following 7 articles:
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    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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