{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T00:32:38Z","timestamp":1777768358947,"version":"3.51.4"},"reference-count":39,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,7,19]],"date-time":"2025-07-19T00:00:00Z","timestamp":1752883200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,7,19]],"date-time":"2025-07-19T00:00:00Z","timestamp":1752883200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Microscopy Res &amp; Technique"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Currently, the vast majority of atom probe instruments in use are commercial systems with closed, proprietary software. This is limiting for many experiments where low\u2010level access to machine control, experiment data, or custom instrument setups is necessary. Over the past decade, advancements in off\u2010the\u2010shelf detector systems, fast data bus systems, and the availability of high\u2010level programming languages such as Python have made it feasible to design and construct atom probe systems without extensive engineering expertise. Despite this progress, developing control system software, associated instruments, and data calibration algorithms remains a significant challenge for many projects. In this article, we introduce an atom probe control system that can be flexibly adapted to various hardware configurations. This system also includes essential instrument and experiment calibration algorithms, offering complete transparency to the user. This framework provides flexibility for innovative experiments and enhances calibration accuracy not possible with commercial systems. The methods and algorithms discussed are implemented in Python Control and Calibration for Atom Probe Tomography (PyCCAPT), which is an open\u2010source solution for APT, addressing a gap in experimental control and data processing. While not compatible with commercial atom probes for data acquisition, its calibration module can be used for direct\u2010flight\u2010path systems and adapted for reflection\u2010based instruments.<\/jats:p>","DOI":"10.1002\/jemt.70011","type":"journal-article","created":{"date-parts":[[2025,7,19]],"date-time":"2025-07-19T08:19:51Z","timestamp":1752913191000},"page":"3199-3210","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["PyCCAPT: A Python Package for Open\u2010Source Atom Probe Instrument Control and Data Calibration"],"prefix":"10.1002","volume":"88","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-6746-2835","authenticated-orcid":false,"given":"Mehrpad","family":"Monajem","sequence":"first","affiliation":[{"name":"Institute for General Materials Properties, Department of Materials Science &amp; Engineering Friedrich\u2010Alexander Universit\u00e4t Erlangen\u2010N\u00fcrnberg (FAU)  Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-2251-4693","authenticated-orcid":false,"given":"Benedict","family":"Ott","sequence":"additional","affiliation":[{"name":"Institute for General Materials Properties, Department of Materials Science &amp; Engineering Friedrich\u2010Alexander Universit\u00e4t Erlangen\u2010N\u00fcrnberg (FAU)  Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonas","family":"Heimerl","sequence":"additional","affiliation":[{"name":"Department of Physics Friedrich\u2010Alexander\u2010Universit\u00e4t Erlangen\u2010N\u00fcrnberg (FAU)  Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan","family":"Meier","sequence":"additional","affiliation":[{"name":"Department of Physics Friedrich\u2010Alexander\u2010Universit\u00e4t Erlangen\u2010N\u00fcrnberg (FAU)  Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Hommelhoff","sequence":"additional","affiliation":[{"name":"Department of Physics Friedrich\u2010Alexander\u2010Universit\u00e4t Erlangen\u2010N\u00fcrnberg (FAU)  Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Felfer","sequence":"additional","affiliation":[{"name":"Institute for General Materials Properties, Department of Materials Science &amp; 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