Ion time-of-flight analysis of ultrashort pulsed laser-induced processing of Al2O3

R. Stoian, H. Varel, A. Rosenfeld, D. Ashkenasi, R. Kelly, E. E.B. Campbell

Research output: Contribution to journalArticlepeer-review

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Abstract

Morphological and ion time-of-flight (TOF) investigations of the laser-induced sputtering of crystalline Al2O3 (`sapphire') at 800 nm have been carried out as a function of the laser fluence, pulse duration and the number of pulses per site. The changes in the morphology of the irradiated surface, the ion signal, and the ion plume angular distribution are correlated to obtain more insight into the two different etch-phases observed for Al2O3.

Original languageEnglish
Pages (from-to)44-55
Number of pages12
JournalApplied Surface Science
Volume165
Issue number1
DOIs
StatePublished - 15 Sep 2000

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