Optimization of Material Analysis Conditions for Laser-Assisted Atom Probe Tomography Characterization

O. A. Raznitsyn; A. A. Lukyanchuk; A. S. Shutov; S. V. Rogozhkin; A. A. Aleev

doi:10.1134/S1061934817140118

Optimization of Material Analysis Conditions for Laser-Assisted Atom Probe Tomography Characterization

Authors: Raznitsyn O.A.¹^,2, Lukyanchuk A.A.¹^,2, Shutov A.S.¹^,2, Rogozhkin S.V.¹^,2, Aleev A.A.¹^,2
Affiliations:
1. Institute for Theoretical and Experimental Physics named by A.I. Alikhanov
2. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Issue: Vol 72, No 14 (2017)
Pages: 1404-1410
Section: Articles
URL: https://journals.rcsi.science/1061-9348/article/view/182750
DOI: https://doi.org/10.1134/S1061934817140118
ID: 182750

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Abstract

Atom probe tomography (APT) analysis with a femtosecond laser is one of the most promising techniques to characterize local variations of chemical distribution in materials with subnanometer spatial resolution. In this study, the effect of APT analysis conditions on the accuracy of data recovery for chromium steels and Fe-Cr alloys is investigated. Dependences of mass resolving power and the detected composition of chromium as a function of laser power, specimen geometry, and evaporation rate are presented.

Keywords

atom probe tomography, time-of-flight mass spectrometer, laser evaporation

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Optimization of Material Analysis Conditions for Laser-Assisted Atom Probe Tomography Characterization

Full Text

Abstract

Keywords

About the authors

O. A. Raznitsyn

A. A. Lukyanchuk

A. S. Shutov

S. V. Rogozhkin

A. A. Aleev

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