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Optimization of Mass Reconstruction Algorithm for Atom Probe Tomography Analysis

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dc.contributor.authorShutov, A. S.
dc.contributor.authorLukyanchuk, A. A.
dc.contributor.authorRaznitsyn, O. A.
dc.contributor.authorNikitin, A. A.
dc.contributor.authorRogozhkin, S. V.
dc.contributor.authorРогожкин, Сергей Васильевич
dc.date.accessioned2024-11-21T18:12:29Z
dc.date.available2024-11-21T18:12:29Z
dc.date.issued2019
dc.description.abstract© 2019, Pleiades Publishing, Ltd.Atom probe tomography (ATP) is a technique that has actively been developed in recent years. This method allows one to investigate three-dimensional distributions of chemical elements in various materials with atomic spatial resolution. The raw APT data reconstruction algorithm uses the geometry of evaporated ion trajectories. However, the basic algorithm uses the approximation of rectilinear trajectories of ions moving from the specimen to the detector. In this study, we present the main approaches to adapting and optimizing the basic APT data reconstruction algorithm concerning the mass reconstruction procedure. Methods for taking into account the nonlinear distortions of ion trajectories due to the wide-angle detection system and other features of ion detection in atom probe tomography are demonstrated. Using a titanium alloy (Ti—5Al—2.7Mo—2Zr), we demonstrate that the consideration of the above effects in the reconstruction of ATP data makes it possible to increase the mass resolution, m/Δm50%, of the main peaks of the mass spectrum to 600 and above. In general, the set of performed procedures allows one to achieve a high accuracy of the positioning of the peaks up to 0.01 amu and ensures a significant (more than tenfold) increase in the mass resolution for mass spectrum peaks that are distant from the main peaks.
dc.format.extentС. 1292-1301
dc.identifier.citationOptimization of Mass Reconstruction Algorithm for Atom Probe Tomography Analysis / Shutov, A.S. [et al.] // Physics of Atomic Nuclei. - 2019. - 82. - № 9. - P. 1292-1301. - 10.1134/S1063778819090096
dc.identifier.doi10.1134/S1063778819090096
dc.identifier.urihttps://www.doi.org/10.1134/S1063778819090096
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85082012937&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000519898600008
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19475
dc.relation.ispartofPhysics of Atomic Nuclei
dc.titleOptimization of Mass Reconstruction Algorithm for Atom Probe Tomography Analysis
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue9
oaire.citation.volume82
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