{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T19:53:24Z","timestamp":1792785204173,"version":"4.5.0"},"reference-count":33,"publisher":"AIP Publishing","issue":"10","funder":[{"name":"Ministry of Education, Government of India","id":[{"id":"https:\/\/ror.org\/036h6g940","id-type":"ROR","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100003511","name":"Indian Institute of Technology Roorkee","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003511","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2026,10,1]]},"abstract":"<jats:p>Ion beam implantation is an effective technology for material modification, including surface engineering, doping, and irradiation. Its use in laboratories is, however, not very common due to the expensive nature and rigidity of commercial systems. To address this gap, we present the design, simulation, fabrication, and characterization of a new, modular tabletop Penning Ion Gauge source system. This system uniquely integrates high-precision beam optics, including an electrostatic quadrupole triplet for beam focusing and a Wien velocity filter for ion species selection. IBSimu and COMSOL Multiphysics\u00ae were used to model the extraction system and downstream beam dynamics, respectively. Experiments demonstrated multi-species operation (H+, He+, N+) over a large operating energy range. A key achievement is the system\u2019s exceptionally broad, tunable beam current, with on-target currents spanning three orders of magnitude (1\u00a0nA\u20133 \u03bcA), accessed by adjusting the plasma discharge, gas pressure, and beam-transport conditions, delivered to an aperture-defined, approximately circular 0.5\u00a0cm2 on-target spot. The nitrogen transmission scan at 25\u00a0keV demonstrates coarse separation between N+ and N2+, with a first-order experimental resolving power of 2.43, as determined from the N+ peak. This system provides a reproducible and accessible platform, offering a useful and accessible resource for researchers in materials science, low-energy nuclear physics, and particle accelerators.<\/jats:p>","DOI":"10.1063\/5.0321643","type":"journal-article","created":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T12:41:54Z","timestamp":1791808914000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":0,"title":["Design and initial characterization of a modular tabletop Penning ion-source beamline for low-energy ion irradiation"],"prefix":"10.1063","volume":"97","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7940-622X","authenticated-orcid":false,"given":"Manjeet","family":"Mor","sequence":"first","affiliation":[{"name":"Department of Physics, Indian Institute of Technology Roorkee , Roorkee 247667,","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5138-4233","authenticated-orcid":false,"given":"Manish Kumar","family":"Vishwakarma","sequence":"additional","affiliation":[{"name":"Department of Physics, Indian Institute of Technology Roorkee , Roorkee 247667,","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8162-7758","authenticated-orcid":false,"given":"Puneet","family":"Jain","sequence":"additional","affiliation":[{"name":"Department of Physics, Indian Institute of Technology Roorkee , Roorkee 247667,","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"317","published-online":{"date-parts":[[2026,10,12]]},"reference":[{"key":"2026101208413640500_c1","doi-asserted-by":"publisher","first-page":"100608","DOI":"10.1016\/j.apsadv.2024.100608","article-title":"Recent advancements in the surface modification and functionalization of magnetic nanomaterials","volume":"21","year":"2024","journal-title":"Appl. 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