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Grigoryeva MS, Kutlubulatova IA, Lukashenko SY, Fronya AA, Ivanov DS, Kanavin AP, Timoshenko VY, Zavestovskaya IN. Modeling of Short-Pulse Laser Interactions with Monolithic and Porous Silicon Targets with an Atomistic-Continuum Approach. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2809. [PMID: 37887962 PMCID: PMC10609206 DOI: 10.3390/nano13202809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/15/2023] [Accepted: 10/16/2023] [Indexed: 10/28/2023]
Abstract
The acquisition of reliable knowledge about the mechanism of short laser pulse interactions with semiconductor materials is an important step for high-tech technologies towards the development of new electronic devices, the functionalization of material surfaces with predesigned optical properties, and the manufacturing of nanorobots (such as nanoparticles) for bio-medical applications. The laser-induced nanostructuring of semiconductors, however, is a complex phenomenon with several interplaying processes occurring on a wide spatial and temporal scale. In this work, we apply the atomistic-continuum approach for modeling the interaction of an fs-laser pulse with a semiconductor target, using monolithic crystalline silicon (c-Si) and porous silicon (Si). This model addresses the kinetics of non-equilibrium laser-induced phase transitions with atomic resolution via molecular dynamics, whereas the effect of the laser-generated free carriers (electron-hole pairs) is accounted for via the dynamics of their density and temperature. The combined model was applied to study the microscopic mechanism of phase transitions during the laser-induced melting and ablation of monolithic crystalline (c-Si) and porous Si targets in a vacuum. The melting thresholds for the monolithic and porous targets were found to be 0.32 J/cm2 and 0.29 J/cm2, respectively. The limited heat conduction mechanism and the absence of internal stress accumulation were found to be involved in the processes responsible for the lowering of the melting threshold in the porous target. The results of this modeling were validated by comparing the melting thresholds obtained in the simulations to the experimental values. A difference in the mechanisms of ablation of the c-Si and porous Si targets was considered. Based on the simulation results, a prediction regarding the mechanism of the laser-assisted production of Si nanoparticles with the desired properties is drawn.
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Affiliation(s)
- Maria S. Grigoryeva
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
| | - Irina A. Kutlubulatova
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
- Institute of Engineering Physics for Biomedicine (PhysBio Institute), National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe Shosse 31, 115409 Moscow, Russia
| | - Stanislav Yu. Lukashenko
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
- Institute for Analytical Instrumentation of the Russian Academy of Sciences, Rizhsky Prospect, 26, 190103 St. Petersburg, Russia
| | - Anastasia A. Fronya
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
- Institute of Engineering Physics for Biomedicine (PhysBio Institute), National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe Shosse 31, 115409 Moscow, Russia
| | - Dmitry S. Ivanov
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
| | - Andrey P. Kanavin
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
| | - Victor Yu. Timoshenko
- Faculty of Physics, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia;
| | - Irina N. Zavestovskaya
- Lebedev Physical Institute of the Russian Academy of Sciences, Leninskiy Prospect 53, 119991 Moscow, Russia; (M.S.G.); (I.A.K.); (S.Y.L.); (A.A.F.); (A.P.K.); (I.N.Z.)
- Institute of Engineering Physics for Biomedicine (PhysBio Institute), National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe Shosse 31, 115409 Moscow, Russia
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Medvedev N, Akhmetov F, Rymzhanov RA, Voronkov R, Volkov AE. Modeling Time‐Resolved Kinetics in Solids Induced by Extreme Electronic Excitation. ADVANCED THEORY AND SIMULATIONS 2022. [DOI: 10.1002/adts.202200091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Nikita Medvedev
- Institute of Physics Czech Academy of Sciences Na Slovance 1999/2 Prague 8 182 21 Czech Republic
- Institute of Plasma Physics Czech Academy of Sciences Za Slovankou 3 Prague 8 182 00 Czech Republic
| | - Fedor Akhmetov
- Industrial Focus Group XUV Optics MESA+ Institute for Nanotechnology University of Twente Drienerlolaan 5 NB Enschede 7522 The Netherlands
| | - Ruslan A. Rymzhanov
- Joint Institute for Nuclear Research Joliot‐Curie 6 Dubna Moscow Region 141980 Russia
- The Institute of Nuclear Physics Ibragimov St. 1 Almaty 050032 Kazakhstan
| | - Roman Voronkov
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences Leninskij pr., 53 Moscow 119991 Russia
| | - Alexander E. Volkov
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences Leninskij pr., 53 Moscow 119991 Russia
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Limitations of Structural Insight into Ultrafast Melting of Solid Materials with X-ray Diffraction Imaging. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11115157] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In this work, we analyze the application of X-ray diffraction imaging techniques to follow ultrafast structural transitions in solid materials using the example of an X-ray pump–X-ray probe experiment with a single-crystal silicon performed at a Linac Coherent Light Source. Due to the spatially non-uniform profile of the X-ray beam, the diffractive signal recorded in this experiment included contributions from crystal parts experiencing different fluences from the peak fluence down to zero. With our theoretical model, we could identify specific processes contributing to the silicon melting in those crystal regions, i.e., the non-thermal and thermal melting whose occurrences depended on the locally absorbed X-ray doses. We then constructed the total volume-integrated signal by summing up the coherent signal contributions (amplitudes) from the various crystal regions and found that this significantly differed from the signals obtained for a few selected uniform fluence values, including the peak fluence. This shows that the diffraction imaging signal obtained for a structurally damaged material after an impact of a non-uniform X-ray pump pulse cannot be always interpreted as the material’s response to a pulse of a specific (e.g., peak) fluence as it is sometimes believed. This observation has to be taken into account in planning and interpreting future experiments investigating structural changes in materials with X-ray diffraction imaging.
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