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Fast imaging of the plume expansion produced by laser ablation of LiNbO3

AuthorsPerea, Ángel ; Gonzalo de los Reyes, José; Afonso, Carmen N. ; Vivien, C.; Leborgne, Ch.
Issue Date1999
CitationApplied Physics A: Materials Science and Processing 69: S141- S144 (1999)
AbstractFast photography of the plume produced by laser ablation of LiNbO3 in vacuum has been performed using an image intensified CCD (ICCD) camera in a time interval up to 2 μs after the laser pulse. Two differently oriented single crystalline LiNbO3 targets were used. The results show that although the emission intensity of the laser-generated plume initially depends on the crystalline orientation of the target, it reaches a stationary state after several minutes which is the same for both targets orientations. Under these stationary conditions, the angular distribution of the Li atoms is found to be broader than that of Nb atoms. The observed less forward directed expansion of the Li species may explain the poor Li content normally observed in films grown by laser ablation of LiNbO3 in vacuum. © Springer-Verlag 1999.
Identifiersdoi: 10.1007/s003399900344
issn: 0947-8396
Appears in Collections:(CFMAC-IO) Artículos
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