Femtosecond laser processing of NiPd single and 5x(Ni/Pd) multilayer thin films
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2017
Authors
Petrović, SuzanaGaković, Biljana M.
Zamfirescu, M.
Radu, C.
Peruško, Davor
Radak, Bojan
Ristoscu, Carmen
Zdravković, Slobodan
Luculescu, C. L.
Mihailescu, Ion N.
Article (Published version)
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Modification of single and complex nickel-palladium samples by laser processing in the femtosecond time domain was studied. The samples were processed by focused Ti:Sapphire laser beam (Clark CPA-2101) with 775 nm laser wavelength, 2 kHz repetition rate, 200 fs pulse duration. The laser-induced morphological modifications have shown dependence on the applied fluences and number of laser pulses. The formed surface nanostructures on the single NiPd/Si and multilayer 5x(Ni/Pd)/Si systems are compared with individual Ni and Pd thin films. The results show an increase in surface roughness, formation of parallel periodic surface structures, appearance of hydrodynamic features and ablation of surface material. At low number of pulses (less than 10 pulses) and low pulse energies range (not over 1.7 mu J), the two types of laser-induced periodic surface structure (LIPSS) can be observed: low and high spatial frequency LIPSS (HSFL and LSFL). For all samples, the measured LSFL periods were 720 nm... for the ripples created solely on thin film surfaces during the single pulse action. In the case of the multi-pulse irradiation, the periodicities of created LSFLs on the all investigated thin films have shown tendency to reduction with increasing of pulse energies. (C) 2016 Elsevier B.V. All rights reserved.
Keywords:
Laser processing / Periodic structuresSource:
Applied Surface Science, 2017, 417, 16-22Funding / projects:
- Fabrication and characterization of nano-photonic functional structrues in biomedicine and informatics (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45016)
- European Community, COST Action [MP1208], National Authority for Research and Innovation in the frame of Nucleus programme [304/2011, 4N/2016]
Note:
- 10th International Conference on Photo-Excited Processes and Applications (ICPEPA), Aug 29-Sep 02, 2016, Transilvania Univ Brasov, Brasov, Romania
DOI: 10.1016/j.apsusc.2016.12.142
ISSN: 0169-4332; 1873-5584
WoS: 000402463000003
Scopus: 2-s2.0-85009350938
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VinčaTY - JOUR AU - Petrović, Suzana AU - Gaković, Biljana M. AU - Zamfirescu, M. AU - Radu, C. AU - Peruško, Davor AU - Radak, Bojan AU - Ristoscu, Carmen AU - Zdravković, Slobodan AU - Luculescu, C. L. AU - Mihailescu, Ion N. PY - 2017 UR - https://vinar.vin.bg.ac.rs/handle/123456789/7164 AB - Modification of single and complex nickel-palladium samples by laser processing in the femtosecond time domain was studied. The samples were processed by focused Ti:Sapphire laser beam (Clark CPA-2101) with 775 nm laser wavelength, 2 kHz repetition rate, 200 fs pulse duration. The laser-induced morphological modifications have shown dependence on the applied fluences and number of laser pulses. The formed surface nanostructures on the single NiPd/Si and multilayer 5x(Ni/Pd)/Si systems are compared with individual Ni and Pd thin films. The results show an increase in surface roughness, formation of parallel periodic surface structures, appearance of hydrodynamic features and ablation of surface material. At low number of pulses (less than 10 pulses) and low pulse energies range (not over 1.7 mu J), the two types of laser-induced periodic surface structure (LIPSS) can be observed: low and high spatial frequency LIPSS (HSFL and LSFL). For all samples, the measured LSFL periods were 720 nm for the ripples created solely on thin film surfaces during the single pulse action. In the case of the multi-pulse irradiation, the periodicities of created LSFLs on the all investigated thin films have shown tendency to reduction with increasing of pulse energies. (C) 2016 Elsevier B.V. All rights reserved. T2 - Applied Surface Science T1 - Femtosecond laser processing of NiPd single and 5x(Ni/Pd) multilayer thin films VL - 417 SP - 16 EP - 22 DO - 10.1016/j.apsusc.2016.12.142 ER -
@article{ author = "Petrović, Suzana and Gaković, Biljana M. and Zamfirescu, M. and Radu, C. and Peruško, Davor and Radak, Bojan and Ristoscu, Carmen and Zdravković, Slobodan and Luculescu, C. L. and Mihailescu, Ion N.", year = "2017", abstract = "Modification of single and complex nickel-palladium samples by laser processing in the femtosecond time domain was studied. The samples were processed by focused Ti:Sapphire laser beam (Clark CPA-2101) with 775 nm laser wavelength, 2 kHz repetition rate, 200 fs pulse duration. The laser-induced morphological modifications have shown dependence on the applied fluences and number of laser pulses. The formed surface nanostructures on the single NiPd/Si and multilayer 5x(Ni/Pd)/Si systems are compared with individual Ni and Pd thin films. The results show an increase in surface roughness, formation of parallel periodic surface structures, appearance of hydrodynamic features and ablation of surface material. At low number of pulses (less than 10 pulses) and low pulse energies range (not over 1.7 mu J), the two types of laser-induced periodic surface structure (LIPSS) can be observed: low and high spatial frequency LIPSS (HSFL and LSFL). For all samples, the measured LSFL periods were 720 nm for the ripples created solely on thin film surfaces during the single pulse action. In the case of the multi-pulse irradiation, the periodicities of created LSFLs on the all investigated thin films have shown tendency to reduction with increasing of pulse energies. (C) 2016 Elsevier B.V. All rights reserved.", journal = "Applied Surface Science", title = "Femtosecond laser processing of NiPd single and 5x(Ni/Pd) multilayer thin films", volume = "417", pages = "16-22", doi = "10.1016/j.apsusc.2016.12.142" }
Petrović, S., Gaković, B. M., Zamfirescu, M., Radu, C., Peruško, D., Radak, B., Ristoscu, C., Zdravković, S., Luculescu, C. L.,& Mihailescu, I. N.. (2017). Femtosecond laser processing of NiPd single and 5x(Ni/Pd) multilayer thin films. in Applied Surface Science, 417, 16-22. https://doi.org/10.1016/j.apsusc.2016.12.142
Petrović S, Gaković BM, Zamfirescu M, Radu C, Peruško D, Radak B, Ristoscu C, Zdravković S, Luculescu CL, Mihailescu IN. Femtosecond laser processing of NiPd single and 5x(Ni/Pd) multilayer thin films. in Applied Surface Science. 2017;417:16-22. doi:10.1016/j.apsusc.2016.12.142 .
Petrović, Suzana, Gaković, Biljana M., Zamfirescu, M., Radu, C., Peruško, Davor, Radak, Bojan, Ristoscu, Carmen, Zdravković, Slobodan, Luculescu, C. L., Mihailescu, Ion N., "Femtosecond laser processing of NiPd single and 5x(Ni/Pd) multilayer thin films" in Applied Surface Science, 417 (2017):16-22, https://doi.org/10.1016/j.apsusc.2016.12.142 . .