Studies of processes of the precursor formation for production of CuAl2O4 nanoceramics at the effect of double laser pulses on AD1 and M2 alloys in the air atmosphere
M.N. Kovalenko1, N.A. Alekseenko2, L.V. Markova2, L.S. Rutkovskaiy1, M.P. Patapovich3, A.P. Zajogin1
1 Belarusian State University
2 Powder Metallurgy Institute named after academician O.V. Roman
3 Belarusian State Academy of Communications
Abstract: A study of formation of mixed Al nanopowders, copper and aluminum oxides, and precursors for production of CuAlO2 and CuAl2O4 nanoceramics under the influence of double laser pulses with energy of 53 mJ and the interpulse interval of 10 microseconds on a target consisting of plates of aluminum grade AD1 and copper grade M2, 0,4 mm thick, glued together and placed in a closed rectangular glass cuvette. It is found that the successive exposure of a series of double laser beams to an aluminum target and then to a copper target leads to a multiple increase in the yield of AlO suboxides, aluminum and copper ions and atoms in the laser torch, compared with the exposure to single laser pulses. To better understand the hidden mechanisms of this dependence, we study the processes occurring both on the surface and in the near-surface laser plasma inside the resulting microchannel when the target is broken by a series of single and double laser pulses. The possibility of obtaining precursors for the production of nanoceramics such as CuAlO2, CuAl2O4 is shown.
Keywords: oxidized nanopowders Al , Al2O3, AlO suboxides, copper oxides, CuAl2O4, CuAlO2, pulsed laser sputtering, laser plasma, laser spark spectrometry
- Maxim N. Kovalenko – Head of the Research Laboratory «Spectroscopic systems», Faculty of Physics, Belarusian State University
- Natalia A. Alekseenko – Head of the Research Laboratory of Electronic Probe Analysis, Powder Metallurgy Institute named after academician O.V. Roman
- Ludmila V. Markova – Head of the Department of Materials Research and Testing, Powder Metallurgy Institute named after academician O.V. Roman
- Lubov S. Rutkovskaiy – graduate student, Department of Laser Physics and Spectroscopy, Faculty of Physics, Belarusian State University
- Mariya P. Patapovich – Ph. D., Docent, Department of Mathematics and Physics, Belarusian State Academy of Communications
- Anatoli P. Zajogin – Dr. Sc., Full Professor, Department of Laser Physics and Spectroscopy, Faculty of Physics, Belarusian State University
Kovalenko, M.N. Studies of processes of the precursor formation for production of CuAl2O4 nanoceramics at the effect of double laser pulses on AD1 and M2 alloys in the air atmosphere / M.N. Kovalenko, N.A. Alekseenko, L.V. Markova, L.S. Rutkovskaiy, M.P. Patapovich, A.P. Zajogin // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2021. — I. 13. — P. 209-219. DOI: 10.26456/pcascnn/2021.13.209. (In Russian).
Full article (in Russian): download PDF file
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