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High\u2010angle annular dark\u2010field scanning transmission electron microscopy (HAADF\u2010STEM) tomography enables reconstruction of the asymmetric and faceted morphology of AgNW welds, revealing distinct ridge continuity and facet\u2010specific junction geometries. Complementary diffraction mapping demonstrates orientation inheritance across the junction and crystallographic continuity within the welded region. Full\u2010field strain maps derived from nanobeam 4D\u2010STEM reveal minimal coherent strain (typically &lt;0.5%) and small rotational distortions associated with nanowire bending. This multidimensional correlation of geometry, crystallography, and strain provides insight into weld formation mechanisms and interfacial behavior beyond the limits of conventional two\u2010dimensional and localized atomic\u2010resolution studies.<\/jats:p>","DOI":"10.1002\/smll.76393","type":"journal-article","created":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T07:35:24Z","timestamp":1792827324000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Correlative 3D Electron Tomography and Nanobeam 4D\u2010STEM Mapping of Orientation and Strain in Welded Silver Nanowires"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1035-7068","authenticated-orcid":false,"given":"Vuk V.","family":"Radmilovi\u0107","sequence":"first","affiliation":[{"name":"University of Belgrade Faculty of Technology and Metallurgy  Belgrade Serbia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2348-8558","authenticated-orcid":false,"given":"Colin","family":"Ophus","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering Stanford University  Stanford California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6762-9976","authenticated-orcid":false,"given":"Peter","family":"Ercius","sequence":"additional","affiliation":[{"name":"Lawrence Berkeley National Laboratory Molecular Foundry National Center for Electron Microscopy  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Velimir R.","family":"Radmilovi\u0107","sequence":"additional","affiliation":[{"name":"Serbian Academy of Sciences and Arts  Belgrade Serbia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,24]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"crossref","DOI":"10.1002\/admt.202300602","article-title":"Advances in Silver Nanowires\u2010Based Composite Electrodes: Materials Processing, Fabrication, and Applications","volume":"8","author":"Meena J. 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