2014
DOI: 10.2528/pierl14042403
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Analysis of Excitation Pulsed Signal Propagation for Atom Probe Tomography System

Abstract: Abstract-The purpose of this paper is on the behavioral modelling of surge voltage pulses used in Atom Probe Tomography. After brief description of the atom probe functioning principle, we examine the excitation electrical pulse signal integrity along the electric pulser (E-pulser) feeding line modelling with respect to the IEC1733/04 standard. This feeding electric line is ended by cylindrical via ground to control the ion emission. By using the transmission line (TL) ultra-broadband RLCG model, the propagati… Show more

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Cited by 7 publications
(2 citation statements)
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“…Following field evaporation, these ions fly along well-defined trajectories 37,38 and are collected by a single-particle detector that records the impact position. 39 The field evaporation is time-controlled by using either fast voltage 40 or laser pulses 41,42 superimposed to a DC high-voltage, thereby enabling the identification of the elemental nature of each ion by time-of-flight mass spectrometry. 43 The results from an APT experiment take the form of a mass spectrum (i.e., a histogram of the number of ions detected at a certain mass-to-charge ratio), and a point cloud, built from the detector impact positions, providing the atomic distribution in three-dimensions, 44 as summarized in Figure 1b.…”
Section: Aptmentioning
confidence: 99%
“…Following field evaporation, these ions fly along well-defined trajectories 37,38 and are collected by a single-particle detector that records the impact position. 39 The field evaporation is time-controlled by using either fast voltage 40 or laser pulses 41,42 superimposed to a DC high-voltage, thereby enabling the identification of the elemental nature of each ion by time-of-flight mass spectrometry. 43 The results from an APT experiment take the form of a mass spectrum (i.e., a histogram of the number of ions detected at a certain mass-to-charge ratio), and a point cloud, built from the detector impact positions, providing the atomic distribution in three-dimensions, 44 as summarized in Figure 1b.…”
Section: Aptmentioning
confidence: 99%
“…The applicability of Mössbauer spectrometry is suitable for the characterisation of phases in high-chromium steels, due to different magnetic properties at a room temperature (RT). Specifically, α (Fe-rich) phase has ferromagnetic properties at RT and α' (Cr-rich) phase exhibits paramagnetic properties [35][36][37][38][39][40][41][42].…”
Section: Introductionmentioning
confidence: 99%