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Species resolved analysis of the expansion of hydroxyapatite laser ablation plumes
Serra Coromina, Pere; Morenza Gil, José Luis
Universitat de Barcelona
The plume generated by ablation of hydroxyapatite targets under ArF excimer laser irradiation has been investigated by means of fast intensified CCD-imaging and optical emission spectroscopy. Results have shown that the plume splits into two plasma clouds as it expands. Time and spatial resolved spectra have revealed that under the experiment conditions emission is mostly due to calcium neutral atoms and calcium oxide molecular radicals. Imaging of the plume with the aid of bandpass filters has demonstrated that the emissive species in the larger and faster plasma cloud are calcium neutral atoms, whereas in the smaller and slower one they are calcium oxide molecular radicals
2011-07-26
Espectroscòpia
Pel·lícules fines
Ablació amb làser
Spectrum analysis
Thin films
Laser ablation
(c) Materials Research Society, 1998
Article
Materials Research Society
         

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