dorsal/arxiv
View SchemaAblation de ZnO par laser UV (193 nm) : Nano-agregats en phase gazeuse
| Authors | Igor Ozerov, Alexander V. Bulgakov, Dimitri N. Nelson, Ricardo Castell, Marc Sentis, Wladimir Marine |
|---|---|
| Categories | |
| ArXiv ID | physics/0311053 |
| URL | https://arxiv.org/abs/physics/0311053 |
| DOI | 10.1051/jp4:20030591 |
| Journal | J. Phys. IV 108 (2003) 37 |
Abstract
The condensation of zinc oxide nano clusters produced in gas phase has been evidenced in the ablation of a ZnO solid target by a pulsed ArF laser. We compare the spatio-temporal evolution of the shape of ZnO ablated plasma plume, both in vacuum and in controlled gas environments (Helium and/or Oxygen) from monitoring with CCD camera and from spectroscopic studies. The expansion of the plasma plume and the growth of the nanoclusters depend strongly upon the collisions between the ablated particles and surrounding gas molecules, as well as on the chemical reactions in the case of oxygen. The spectra of the observed plasma emittion are mainly due to atomic transitions in the neutral Zn. We have also observed the photoluminescence of the nanoclusters suspended in the gas and their decomposition in the beam of ArF laser.
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"abstract": "The condensation of zinc oxide nano clusters produced in gas phase has been\nevidenced in the ablation of a ZnO solid target by a pulsed ArF laser. We\ncompare the spatio-temporal evolution of the shape of ZnO ablated plasma plume,\nboth in vacuum and in controlled gas environments (Helium and/or Oxygen) from\nmonitoring with CCD camera and from spectroscopic studies. The expansion of the\nplasma plume and the growth of the nanoclusters depend strongly upon the\ncollisions between the ablated particles and surrounding gas molecules, as well\nas on the chemical reactions in the case of oxygen. The spectra of the observed\nplasma emittion are mainly due to atomic transitions in the neutral Zn. We have\nalso observed the photoluminescence of the nanoclusters suspended in the gas\nand their decomposition in the beam of ArF laser.",
"arxiv_id": "physics/0311053",
"authors": [
"Igor Ozerov",
"Alexander V. Bulgakov",
"Dimitri N. Nelson",
"Ricardo Castell",
"Marc Sentis",
"Wladimir Marine"
],
"categories": [
"physics.atm-clus",
"physics.plasm-ph"
],
"doi": "10.1051/jp4:20030591",
"journal_ref": "J. Phys. IV 108 (2003) 37",
"title": "Ablation de ZnO par laser UV (193 nm) : Nano-agregats en phase gazeuse",
"url": "https://arxiv.org/abs/physics/0311053"
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