{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T16:35:08Z","timestamp":1781109308457,"version":"3.54.1"},"reference-count":43,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T00:00:00Z","timestamp":1767571200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12474220"],"award-info":[{"award-number":["12474220"]}],"id":[{"id":"10.13039\/501100001809","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                    Light offers the fastest route to controlling magnetization, yet the microscopic mechanisms in 2D magnets have been less explored. Here, using real\u2010time time\u2010dependent density functional theory combined with ab initio nonadiabatic molecular dynamics, ultrafast laser\u2010induced spin transfer and spin relaxation dynamics in 2D van der Waals antiferromagnetic CrI\n                    <jats:sub>3<\/jats:sub>\n                    \/CrGeTe\n                    <jats:sub>3<\/jats:sub>\n                    heterostructures are investigated. Laser excitation is found to induce pronounced interlayer nonequilibrium spin dynamics and ultrafast magnetic moment reconstruction, driving a transition from an antiferromagnetic (AFM) state to a ferrimagnetic (FiM) state. This transition is governed by two key factors: i) asymmetric ultrafast demagnetization of magnetic atoms in the two ferromagnetic layers, leading to substantial changes in interlayer exchange interactions, and ii) a compensatory contribution from the magnetic moments of nonmagnetic atoms, which enhances the stability of the FiM state. Moreover, spin relaxation analysis reveals distinct relaxation mechanisms in the CrI\n                    <jats:sub>3<\/jats:sub>\n                    and CrGeTe\n                    <jats:sub>3<\/jats:sub>\n                    layers, where asymmetric interlayer relaxation dynamics significantly extend the FiM lifetime. These findings provide a comprehensive physical picture of laser\u2010induced magnetization transitions in 2D magnets, offering critical theoretical insights for the development of light\u2010controlled magnetic storage and ultrafast spintronic switches.\n                  <\/jats:p>","DOI":"10.1002\/advs.202515533","type":"journal-article","created":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T19:40:32Z","timestamp":1767642032000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Laser\u2010Induced Ultrafast Magnetic Phase Transition in 2D Van Der Waals Antiferromagnetic\u00a0Heterostructures"],"prefix":"10.1002","author":[{"given":"Yang","family":"Wu","sequence":"first","affiliation":[{"name":"Bremen Center for Computational Materials Science University of Bremen  28359 Bremen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fulu","family":"Zheng","sequence":"additional","affiliation":[{"name":"School of Physical Science and Technology Ningbo University  Ningbo 315211 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"San\u2010Dong","family":"Guo","sequence":"additional","affiliation":[{"name":"School of Electronic Engineering Xi'an University of Posts and Telecommunications  Xi'an 710121 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Frauenheim","sequence":"additional","affiliation":[{"name":"School of Science Constructor University  28759 Bremen Germany"},{"name":"Institute of Advanced Study Chengdu University  Chengdu 610100 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaobo","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Physical and Macromolecular Chemistry Faculty of Science Charles University in Prague  Prague 12843 Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6447-7893","authenticated-orcid":false,"given":"Junjie","family":"He","sequence":"additional","affiliation":[{"name":"Department of Physical and Macromolecular Chemistry Faculty of Science Charles University in Prague  Prague 12843 Czech Republic"},{"name":"Institute of Advanced Study Chengdu University  Chengdu 610100 China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,5]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"crossref","first-page":"240","DOI":"10.1038\/s41586-019-1333-x","volume":"571","author":"Siegrist F.","year":"2019","journal-title":"Nature"},{"key":"e_1_2_8_2_1","doi-asserted-by":"crossref","first-page":"609","DOI":"10.1038\/s41565-025-01872-w","volume":"20","author":"Yao F.","year":"2025","journal-title":"Nat. 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