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Kinetics of ion-beam damage in lithium niobate

AutorGarcía Navarro, A.; Agulló-López, F.; Bianconi, M.; Olivares Villegas, José ; García, Gustavo
Fecha de publicaciónabr-2007
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 101(8): 083506 (2007)
ResumenThe damage kinetics induced by irradiation with a diversity of swift ions (O at 5 MeV; F at 5.1 MeV; Si at 5, 7.5, and 41 MeV; and Cl at 11 and 46 MeV) has been investigated in the range of 1012–1015 at./cm2. It covers from the initial stage where single damage tracks are isolated and well separated, up to the stage where a full amorphous layer is produced. The damage is characterized by the areal fraction of disorder derived from the Rutherford backscattering∕channeling spectra. The data approximately fit an abrupt Avrami-type dependence with fluence. The fluence value at which 50% of the sample surface becomes disordered shows a clear increasing trend with the electronic stopping power of the ion. The trend is consistent with Monte Carlo simulations based on a recent model for defect creation. Moreover, the quantitative agreement for the defect generation rate appears also reasonable.
Descripción6 pages, 6 figures, 2 tables.
Versión del editorhttp://dx.doi.org/10.1063/1.2714772
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