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Numeric modeling of synchronous laser pulsing and voltage pulsing field evaporation

Abstract : We have recently proposed an atom probe design based on a femtosecond time-resolved pump-probe setup. This setup unlocks the limitation of voltage pulsed mode atom probe thanks to the occurrence of local photoconductive switching effect . In this paper, we have used a numerical model to simulate the field evaporation process triggered by the synchronous two pulses. The model takes into account the local photoconductive effect and the temperature rise caused by the laser application and the voltage pulse distortion due to the RC effect.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02127790
Contributor : Blum Ivan <>
Submitted on : Monday, May 13, 2019 - 5:06:01 PM
Last modification on : Friday, May 24, 2019 - 8:18:25 PM

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  • HAL Id : hal-02127790, version 1
  • ARXIV : 1607.02127

Citation

L. Zhao, Antoine Normand, J. Houard, Ivan Blum, F. Delaroche, et al.. Numeric modeling of synchronous laser pulsing and voltage pulsing field evaporation. 2019. ⟨hal-02127790⟩

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