Investigation of wüstite (Fe1− xO) by femtosecond laser assisted atom probe tomography
In this paper, we report results obtained from laser assisted three-dimensional (3-D) atom
probe tomography (APT) on wüstite (Fe1− xO). Oxides are generally insulating and hence
hard to analyse in conventional electrical assisted APT. To overcome this problem,
femtosecond laser pulses are used instead of voltage pulses. Here we discuss some
aspects of pulsed laser field evaporation and optimization of parameters to achieve better
chemical accuracy.
probe tomography (APT) on wüstite (Fe1− xO). Oxides are generally insulating and hence
hard to analyse in conventional electrical assisted APT. To overcome this problem,
femtosecond laser pulses are used instead of voltage pulses. Here we discuss some
aspects of pulsed laser field evaporation and optimization of parameters to achieve better
chemical accuracy.
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