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

被引：18

作者：

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
]}

机构：

[1] Natl Res Ctr Kurchatov Inst, Inst Theoret & Expt Phys, Moscow 117218, Russia

[2] Natl Res Nucl Univ, MEPhI Moscow Engn Phys Inst, Moscow 115409, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2017年 / 72卷 / 14期

关键词：

atom probe tomography; time-of-flight mass spectrometer; laser evaporation; EVAPORATION; STEEL;

D O I：

10.1134/S1061934817140118

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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.

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收藏

页码：1404 / 1410

页数：7

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