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On the dynamics of transient plasmas generated by nanosecond laser ablation of several metals
- 1.0552110 - FZÚ 2022 RIV CH eng J - Journal Article
Irimiciuc, Stefan - Chertopalov, Sergii - Novotný, Michal - Craciun, V. - Lančok, Ján
On the dynamics of transient plasmas generated by nanosecond laser ablation of several metals.
Materials. Roč. 14, č. 23 (2021), č. článku 7336. ISSN 1996-1944. E-ISSN 1996-1944
R&D Projects: GA MŠMT(CZ) EF16_019/0000760; GA ČR(CZ) GA20-21069S
Grant - others:OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
Institutional support: RVO:68378271
Keywords : laser produced plasma * metals * Langmuir probe * plasma-target correlation
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 3.748, year: 2021
Method of publishing: Open access
The dynamics of transient plasma generated by UV ns-laser ablation of selected metals (Co, Cu, Ag, Bi) were investigated by the Langmuir Probe method in angle- and time-resolved modes. Multiple ionic and electronic structures were seen for all plasmas with some corresponding to anions or nanoparticle-dominated structures. The addition of an Ar atmosphere energetically confined the plasma and increased the charge density by several orders of magnitude. For pressure ranges exceeding 0.5 Pa fast ions were generated in the plasma as a result of Ar ionization and acceleration in the double layer defining the front of the plasma plume. Several correlations between the target nature plasma properties were attempted.
Permanent Link: http://hdl.handle.net/11104/0327267
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