{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T02:55:46Z","timestamp":1792464946933,"version":"4.5.0"},"reference-count":60,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,8,30]],"date-time":"2026-08-30T00:00:00Z","timestamp":1788048000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,8,30]],"date-time":"2026-08-30T00:00:00Z","timestamp":1788048000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["RS\u20102026\u201025585727"],"award-info":[{"award-number":["RS\u20102026\u201025585727"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003716","name":"Korea Basic Science Institute","doi-asserted-by":"publisher","award":["RS\u20102026\u201025539607"],"award-info":[{"award-number":["RS\u20102026\u201025539607"]}],"id":[{"id":"10.13039\/501100003716","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003706","name":"Korea Research Institute of Standards and Science","doi-asserted-by":"publisher","award":["KRISS\u20102026\u2010KP2026\u20100002"],"award-info":[{"award-number":["KRISS\u20102026\u2010KP2026\u20100002"]}],"id":[{"id":"10.13039\/501100003706","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Grain boundaries (GBs) in 2D materials are arrays of dislocations that strongly influence electronic, optical, mechanical, and transport properties. In monolayer MoS\n                    <jats:sub>2<\/jats:sub>\n                    , Mo 5|7 and S 5|7 dislocation cores are structurally established, yet how their distinct mobilities govern GB migration and grain growth has remained unresolved. Here, we directly image and quantify GB mobility in polycrystalline monolayer MoS\n                    <jats:sub>2<\/jats:sub>\n                    at the level of individual dislocation cores. An atomic\u2010scale in\u2010situ heating study reveals that mobile GBs consist solely of Mo 5|7 dislocations, whereas immobile GBs contain S 5|7 kink sites that suppress GB motion. Dark\u2010field TEM grain\u2010growth measurements show that mobile GBs drive rapid coarsening, while S 5|7\u2010pinned immobile GBs arrest microstructural evolution. Molecular dynamics simulations correlate this mobility contrast with distinct local mechanical and energetic environments around Mo 5|7 and S 5|7 cores, providing an atomistic origin for their different migration kinetics. These findings establish a direct structure\u2010kinetics\u2010growth relationship for GB evolution in monolayer MoS\n                    <jats:sub>2<\/jats:sub>\n                    and demonstrate a broadly applicable in\u2010situ electron\u2010microscopy platform for probing defect\u2010driven microstructural dynamics in 2D materials.\n                  <\/jats:p>","DOI":"10.1002\/advs.77465","type":"journal-article","created":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T02:42:34Z","timestamp":1788144154000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Atomistic Kinetics of Dislocation\u2010Mediated Grain Growth in Monolayer MoS\n                    <sub>2<\/sub>"],"prefix":"10.1002","author":[{"given":"Chang\u2010Won","family":"Choi","sequence":"first","affiliation":[{"name":"Center for Van der Waals Quantum Solids Institute for Basic Science (IBS)  Pohang Republic of Korea"},{"name":"Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min\u2010Yeong","family":"Choi","sequence":"additional","affiliation":[{"name":"Center for Van der Waals Quantum Solids Institute for Basic Science (IBS)  Pohang Republic of Korea"},{"name":"Department of Chemical Engineering POSTECH  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2402-6320","authenticated-orcid":false,"given":"Tao","family":"Du","sequence":"additional","affiliation":[{"name":"School of Civil Engineering Harbin Institute of Technology  Harbin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-3499-1071","authenticated-orcid":false,"given":"Jinho","family":"Rhee","sequence":"additional","affiliation":[{"name":"Department of Chemical and Biological Engineering Seoul National University (SNU)  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3620-7460","authenticated-orcid":false,"given":"Seokho","family":"Moon","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)  Pohang Republic of Korea"},{"name":"Department of Materials Science and Engineering Ajou University  Suwon Republic of Korea"},{"name":"Department of Energy Systems Research Ajou University  Suwon Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yeon\u2010Seo","family":"Nam","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoyan","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Civil Engineering Harbin Institute of Technology  Harbin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1643-384X","authenticated-orcid":false,"given":"Jong Kyu","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2927-4331","authenticated-orcid":false,"given":"Jungwon","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Chemical and Biological Engineering Seoul National University (SNU)  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3160-358X","authenticated-orcid":false,"given":"Moon\u2010Ho","family":"Jo","sequence":"additional","affiliation":[{"name":"Center for Van der Waals Quantum Solids Institute for Basic Science (IBS)  Pohang Republic of Korea"},{"name":"Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)  Pohang Republic of Korea"},{"name":"Department of Physics POSTECH  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4312-3866","authenticated-orcid":false,"given":"Cheol\u2010Joo","family":"Kim","sequence":"additional","affiliation":[{"name":"Center for Van der Waals Quantum Solids Institute for Basic Science (IBS)  Pohang Republic of Korea"},{"name":"Department of Chemical Engineering POSTECH  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1648-142X","authenticated-orcid":false,"given":"Si\u2010Young","family":"Choi","sequence":"additional","affiliation":[{"name":"Center for Van der Waals Quantum Solids Institute for Basic Science (IBS)  Pohang Republic of Korea"},{"name":"Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH)  Pohang Republic of Korea"},{"name":"Department of Semiconductor Engineering POSTECH  Pohang Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,30]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature09718"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1312802110"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1115\/1.4045005"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.1c00519"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat3633"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201501354"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/nnano.2014.166"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.9b15654"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat3673"},{"key":"e_1_2_9_11_1","first-page":"91","article-title":"Structure and Energy of Intercrystallite Boundaries in 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