{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T07:09:48Z","timestamp":1789456188636,"version":"build-2803163510"},"reference-count":56,"publisher":"IOP Publishing","issue":"37","license":[{"start":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T00:00:00Z","timestamp":1789430400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T00:00:00Z","timestamp":1789430400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"},{"start":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T00:00:00Z","timestamp":1789430400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/questions\/alternative-author-rights-policies\/"},{"start":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T00:00:00Z","timestamp":1789430400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/questions\/alternative-author-rights-policies\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["12374057"],"award-info":[{"award-number":["12374057"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100018542","name":"Natural Science Foundation of Sichuan Province","doi-asserted-by":"crossref","award":["2026NSFSC0030"],"award-info":[{"award-number":["2026NSFSC0030"]}],"id":[{"id":"10.13039\/501100018542","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["J. Phys.: Condens. Matter"],"published-print":{"date-parts":[[2026,9,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Two-dimensional intrinsic ferromagnetic semiconductors (IFMS) have emerged as a pivotal research frontier in spintronics, uniquely enabling integration of semiconductor electronics with non-volatile magnetic storage at finite temperatures. Using first-principles calculations, we systematically investigated the structural stability, electronic, and magnetic properties of potential Mn\n                    <jats:sub>2<\/jats:sub>\n                    AX\n                    <jats:sub>6<\/jats:sub>\n                    (A=Al, Ga; X=Cl, Br, I) materials with large-moment IFMS characteristics. Results confirm that these stable materials are indeed IFMS with an indirect bandgap ranging from 0.5 to 1.3 eV and a magnetization of 9\n                    <jats:italic>\u03bc<\/jats:italic>\n                    B u.c.\n                    <jats:sup>\u22121<\/jats:sup>\n                    And their IFMS characteristics show exceptional resilience to strain. The semiconducting property transition to half-metal characteristic only when compressive strain exceeds 7% (as seen in Mn\n                    <jats:sub>2<\/jats:sub>\n                    AlCl\n                    <jats:sub>6<\/jats:sub>\n                    ), while spin-polarized band inversion occurs when the strain shifts from compressive to tensile. Additionally, these monolayers consistently exhibit out-of-plane easy magnetization axes with magnetic anisotropy energy of 0.028\u20132.1 meV and Curie temperatures (\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>c<\/jats:sub>\n                    ) of 164\n                    <jats:bold>\u2013<\/jats:bold>\n                    303 K. Further studies on magnetic mechanism reveal that their ferromagnetic ground states are predominantly governed by\n                    <jats:bold>\n                      <jats:italic>\n                        d\n                        <jats:sub>xy<\/jats:sub>\n                      <\/jats:italic>\n                      \u2013\n                      <jats:italic>\n                        p\n                        <jats:sub>xy<\/jats:sub>\n                      <\/jats:italic>\n                      \u2013\n                      <jats:italic>\n                        d\n                        <jats:sub>xy<\/jats:sub>\n                      <\/jats:italic>\n                    <\/jats:bold>\n                    superexchange interactions within Mn\n                    <jats:bold>\u2013<\/jats:bold>\n                    X\n                    <jats:bold>\u2013<\/jats:bold>\n                    Mn pathways near \u223c90\u00b0, with the concomitant high-\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>c<\/jats:sub>\n                    being attributable to the larger magnetic moments (\u223c4.6\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>B<\/jats:sub>\n                    ) of Mn\n                    <jats:sup>2+<\/jats:sup>\n                    and strong second- and third-nearest- neighbor Mn\u2013Mn magnetic interactions compared to other transition metal (TM) dihalides. Collectively, these IFMS materials Mn\n                    <jats:sub>2<\/jats:sub>\n                    AX\n                    <jats:sub>6<\/jats:sub>\n                    , with advantages including strain-tunable spin flip and balanced magnetic properties, may exhibit greater potential than other TM halides for magnetic storage and magnetic sensor applications.\n                  <\/jats:p>","DOI":"10.1088\/1361-648x\/ae9f07","type":"journal-article","created":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T22:52:26Z","timestamp":1787784746000},"page":"375801","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Computational dissection of single-layer intrinsic ferromagnetic semiconductor Mn\n                    <sub>2<\/sub>\n                    AX\n                    <sub>6<\/sub>\n                    (A=Al, Ga; X=Cl, Br, I) with large magnetic anisotropy and high Curie temperature"],"prefix":"10.1088","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8370-9944","authenticated-orcid":true,"given":"Hengtao","family":"Li","sequence":"first","affiliation":[{"name":"School of Physics, University of Electronic Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-2797-8955","authenticated-orcid":false,"given":"Jing","family":"Zou","sequence":"additional","affiliation":[{"name":"School of Physics, University of Electronic Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2059-5537","authenticated-orcid":false,"given":"Yong","family":"Li","sequence":"additional","affiliation":[{"name":"College of Physics and Engineering, Chengdu Normal University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-6724-4226","authenticated-orcid":false,"given":"Jingtao","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Semiconductors, Henan Academy of Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5488-2510","authenticated-orcid":true,"given":"Zeyu","family":"Jiang","sequence":"additional","affiliation":[{"name":"Beijing Computational Science Research Center"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-6696-9644","authenticated-orcid":true,"given":"Liujiang","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Physics, University of Electronic Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2026,9,15]]},"reference":[{"key":"cmae9f07bib1","doi-asserted-by":"publisher","first-page":"270","DOI":"10.1038\/nature22391","type":"journal-article","volume":"546","author":"Huang","year":"2017","journal-title":"Nature"},{"key":"cmae9f07bib2","doi-asserted-by":"publisher","first-page":"265","DOI":"10.1038\/nature22060","type":"journal-article","volume":"546","author":"Gong","year":"2017","journal-title":"Nature"},{"key":"cmae9f07bib3","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201900065","type":"journal-article","volume":"31","author":"Li","year":"2019","journal-title":"Adv. Mater."},{"key":"cmae9f07bib4","doi-asserted-by":"publisher","first-page":"663","DOI":"10.1038\/s41586-022-04768-0","type":"journal-article","volume":"606","author":"Yang","year":"2022","journal-title":"Nature"},{"key":"cmae9f07bib5","doi-asserted-by":"publisher","first-page":"1133","DOI":"10.1103\/PhysRevLett.17.1133","type":"journal-article","volume":"17","author":"Mermin","year":"1966","journal-title":"Phys. Rev. Lett."},{"key":"cmae9f07bib6","doi-asserted-by":"publisher","DOI":"10.1039\/D4CS00378K","type":"journal-article","volume":"53","author":"Kong","year":"2024","journal-title":"Chem. Soc. Rev."},{"key":"cmae9f07bib7","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevMaterials.5.034001","type":"journal-article","volume":"5","author":"Yekta","year":"2021","journal-title":"Phys. Rev. Mater."},{"key":"cmae9f07bib8","doi-asserted-by":"publisher","first-page":"4596","DOI":"10.1021\/acs.nanolett.2c00778","type":"journal-article","volume":"22","author":"Sun","year":"2022","journal-title":"Nano Lett."},{"key":"cmae9f07bib9","doi-asserted-by":"publisher","first-page":"482","DOI":"10.1002\/smm2.1084","type":"journal-article","volume":"3","author":"Zou","year":"2022","journal-title":"SmartMat."},{"key":"cmae9f07bib10","doi-asserted-by":"publisher","first-page":"363","DOI":"10.1021\/acsnano.2c08693","type":"journal-article","volume":"17","author":"Jiang","year":"2022","journal-title":"ACS Nano"},{"key":"cmae9f07bib11","doi-asserted-by":"publisher","DOI":"10.1063\/5.0191120","type":"journal-article","volume":"135","author":"Jia","year":"2024","journal-title":"J. Appl. Phys."},{"key":"cmae9f07bib12","doi-asserted-by":"publisher","DOI":"10.3389\/fphy.2022.1078202","type":"journal-article","volume":"10","author":"Tu","year":"2022","journal-title":"Front. Phys."},{"key":"cmae9f07bib13","doi-asserted-by":"publisher","first-page":"8","DOI":"10.1063\/5.0164167","type":"journal-article","volume":"134","author":"Pan","year":"2023","journal-title":"J. Appl. Phys."},{"key":"cmae9f07bib14","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcc.0c02432","type":"journal-article","volume":"124","author":"Chen","year":"2020","journal-title":"J. Phys. Chem. C."},{"key":"cmae9f07bib15","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevMaterials.3.014001","type":"journal-article","volume":"3","author":"Liu","year":"2019","journal-title":"Phys. Rev. Mater."},{"key":"cmae9f07bib16","doi-asserted-by":"publisher","first-page":"1486","DOI":"10.1007\/s12274-021-3692-5","type":"journal-article","volume":"15","author":"Li","year":"2022","journal-title":"Nano Res."},{"key":"cmae9f07bib17","doi-asserted-by":"publisher","first-page":"2157","DOI":"10.1039\/d0nr07867k","type":"journal-article","volume":"13","author":"Och","year":"2021","journal-title":"Nanoscale"},{"key":"cmae9f07bib18","doi-asserted-by":"publisher","first-page":"235","DOI":"10.1038\/s43246-024-00665-3","type":"journal-article","volume":"5","author":"Iimori","year":"2024","journal-title":"Commun Mater."},{"key":"cmae9f07bib19","doi-asserted-by":"publisher","first-page":"57","DOI":"10.1038\/s41524-018-0115-6","type":"journal-article","volume":"4","author":"Xu","year":"2018","journal-title":"npj Comput. Mater."},{"key":"cmae9f07bib20","doi-asserted-by":"publisher","first-page":"6633","DOI":"10.1021\/acs.nanolett.1c02096","type":"journal-article","volume":"21","author":"Akram","year":"2021","journal-title":"Nano Lett."},{"key":"cmae9f07bib21","doi-asserted-by":"publisher","DOI":"10.34133\/2020\/1768918","type":"journal-article","volume":"2020","author":"Ningrum","year":"2020","journal-title":"Research"},{"key":"cmae9f07bib22","doi-asserted-by":"publisher","DOI":"10.1002\/aelm.201900490","type":"journal-article","volume":"6","author":"Chen","year":"2019","journal-title":"Adv. Electron. Mater."},{"key":"cmae9f07bib23","doi-asserted-by":"publisher","first-page":"8183","DOI":"10.1039\/D3CP06010A","type":"journal-article","volume":"26","author":"Zhang","year":"2024","journal-title":"Phys. Chem. Chem. Phys."},{"key":"cmae9f07bib24","doi-asserted-by":"publisher","first-page":"7956","DOI":"10.1021\/acs.jpcc.0c01307","type":"journal-article","volume":"124","author":"Han","year":"2020","journal-title":"J. Phys. Chem. C."},{"key":"cmae9f07bib25","doi-asserted-by":"publisher","DOI":"10.1039\/D0NR03340E","type":"journal-article","volume":"12","author":"Chen","year":"2020","journal-title":"Nanoscale"},{"key":"cmae9f07bib26","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202103360","type":"journal-article","volume":"33","author":"Chua","year":"2021","journal-title":"Adv. Mater."},{"key":"cmae9f07bib27","doi-asserted-by":"publisher","first-page":"4493","DOI":"10.1021\/acs.nanolett.8b01649","type":"journal-article","volume":"18","author":"Feng","year":"2018","journal-title":"Nano Lett."},{"key":"cmae9f07bib28","doi-asserted-by":"publisher","first-page":"1858","DOI":"10.1021\/acsnano.0c10250","type":"journal-article","volume":"15","author":"Shi","year":"2021","journal-title":"ACS Nano"},{"key":"cmae9f07bib29","doi-asserted-by":"publisher","first-page":"5716","DOI":"10.1039\/C8TC01302K","type":"journal-article","volume":"6","author":"Guo","year":"2018","journal-title":"J. Mater. Chem. C"},{"key":"cmae9f07bib30","doi-asserted-by":"publisher","first-page":"257","DOI":"10.1038\/s41467-021-27834-z","type":"journal-article","volume":"13","author":"Xian","year":"2022","journal-title":"Nat. Commun."},{"key":"cmae9f07bib31","doi-asserted-by":"publisher","first-page":"5084","DOI":"10.1039\/C8TC05530K","type":"journal-article","volume":"7","author":"He","year":"2019","journal-title":"J. Mater. Chem. C"},{"key":"cmae9f07bib32","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.8b07879","type":"journal-article","volume":"140","author":"Huang","year":"2018","journal-title":"J. Am. Chem. Soc."},{"key":"cmae9f07bib33","doi-asserted-by":"publisher","first-page":"4436","DOI":"10.1021\/acsnano.8b09660","type":"journal-article","volume":"13","author":"May","year":"2019","journal-title":"ACS Nano"},{"key":"cmae9f07bib34","doi-asserted-by":"publisher","first-page":"335","DOI":"10.1039\/C7NH00197E","type":"journal-article","volume":"3","author":"Jiang","year":"2018","journal-title":"Nanoscale Horiz"},{"key":"cmae9f07bib35","doi-asserted-by":"publisher","DOI":"10.1039\/D0NR06268E","type":"journal-article","volume":"12","author":"Hu","year":"2020","journal-title":"Nanoscale"},{"key":"cmae9f07bib36","doi-asserted-by":"publisher","DOI":"10.1021\/acs.nanolett.4c04582","type":"journal-article","volume":"24","author":"Ant\u00e3o","year":"2024","journal-title":"Nano Lett."},{"key":"cmae9f07bib37","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.50.17953","type":"journal-article","volume":"50","author":"Bl\u00f6chl","year":"1994","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib38","doi-asserted-by":"publisher","first-page":"7413","DOI":"10.1103\/PhysRevB.59.7413","type":"journal-article","volume":"59","author":"Hammer","year":"1999","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib39","doi-asserted-by":"publisher","first-page":"767","DOI":"10.1088\/0953-8984\/9\/4\/002","type":"journal-article","volume":"9","author":"Anisimov","year":"1997","journal-title":"J. Phys: Condens. Matter"},{"key":"cmae9f07bib40","doi-asserted-by":"publisher","first-page":"515","DOI":"10.1103\/RevModPhys.73.515","type":"journal-article","volume":"73","author":"Baroni","year":"2001","journal-title":"Rev. Mod. Phys."},{"key":"cmae9f07bib41","doi-asserted-by":"publisher","first-page":"511","DOI":"10.1063\/1.447334","type":"journal-article","volume":"81","author":"Nos\u00e9","year":"1984","journal-title":"J. Chem. Phys."},{"key":"cmae9f07bib42","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.84.224429","type":"journal-article","volume":"84","author":"Xiang","year":"2011","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib43","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.91.054420","type":"journal-article","volume":"91","author":"Ma","year":"2015","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib44","doi-asserted-by":"publisher","DOI":"10.1016\/j.cpc.2021.108033","type":"journal-article","volume":"267","author":"Wang","year":"2021","journal-title":"Comput. Phys. Commun."},{"key":"cmae9f07bib45","doi-asserted-by":"publisher","first-page":"300","DOI":"10.1016\/j.apsusc.2019.02.203","type":"journal-article","volume":"480","author":"Liu","year":"2019","journal-title":"Appl. Surf. Sci."},{"key":"cmae9f07bib46","doi-asserted-by":"publisher","first-page":"827","DOI":"10.1016\/S1293-2558(03)00075-X","type":"journal-article","volume":"5","author":"Nagel","year":"2003","journal-title":"Solid State Sci."},{"key":"cmae9f07bib47","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.97.094408","type":"journal-article","volume":"97","author":"Sun","year":"2018","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib48","doi-asserted-by":"publisher","DOI":"10.1063\/5.0015936","type":"journal-article","volume":"128","author":"Luo","year":"2020","journal-title":"J. Appl. Phys."},{"key":"cmae9f07bib49","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmmm.2019.165384","type":"journal-article","volume":"489","author":"Tomar","year":"2019","journal-title":"J. Magn. Magn. Mater."},{"key":"cmae9f07bib50","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.86.134413","type":"journal-article","volume":"86","author":"Wu","year":"2012","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib51","doi-asserted-by":"publisher","first-page":"4227","DOI":"10.3390\/s23094227","type":"journal-article","volume":"23","author":"Mir","year":"2023","journal-title":"Sensors (Basel)"},{"key":"cmae9f07bib52","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.109.014405","type":"journal-article","volume":"109","author":"Bo","year":"2024","journal-title":"Phys. Rev. B"},{"key":"cmae9f07bib53","doi-asserted-by":"publisher","DOI":"10.1088\/0953-8984\/21\/8\/084204","type":"journal-article","volume":"21","author":"Tang","year":"2009","journal-title":"J. Phys: Condens. Matter"},{"key":"cmae9f07bib54","doi-asserted-by":"publisher","first-page":"87","DOI":"10.1016\/0022-3697(59)90061-7","type":"journal-article","volume":"10","author":"Kanamori","year":"1959","journal-title":"J. Phys. Chem. Solids"},{"key":"cmae9f07bib55","doi-asserted-by":"publisher","first-page":"2999","DOI":"10.1021\/acs.jpclett.7b01042","type":"journal-article","volume":"8","author":"Meng","year":"2017","journal-title":"J. Phys. Chem. Lett."},{"key":"cmae9f07bib56","doi-asserted-by":"publisher","DOI":"10.1088\/2053-1583\/acd4d0","type":"journal-article","volume":"10","author":"S\u00f8dequist","year":"2023","journal-title":"2D Mater."}],"container-title":["Journal of Physics: Condensed Matter"],"original-title":[],"link":[{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07","content-type":"text\/html","content-version":"am","intended-application":"text-mining"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07\/pdf","content-type":"application\/pdf","content-version":"am","intended-application":"text-mining"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07\/pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07\/pdf","content-type":"application\/pdf","content-version":"am","intended-application":"similarity-checking"},{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07\/pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T06:34:30Z","timestamp":1789454070000},"score":1,"resource":{"primary":{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/1361-648X\/ae9f07"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,15]]},"references-count":56,"journal-issue":{"issue":"37","published-online":{"date-parts":[[2026,9,15]]},"published-print":{"date-parts":[[2026,9,18]]}},"URL":"https:\/\/doi.org\/10.1088\/1361-648x\/ae9f07","relation":{},"ISSN":["0953-8984","1361-648X"],"issn-type":[{"value":"0953-8984","type":"print"},{"value":"1361-648X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,15]]},"assertion":[{"value":"Computational dissection of single-layer intrinsic ferromagnetic semiconductor Mn\n                      2\n                      AX\n                      6\n                      (A=Al, Ga; X=Cl, Br, I) with large magnetic anisotropy and high Curie temperature","name":"article_title","label":"Article Title"},{"value":"Journal of Physics: Condensed Matter","name":"journal_title","label":"Journal Title"},{"value":"paper","name":"article_type","label":"Article Type"},{"value":"\u00a9 2026 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2025-06-29","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2026-08-26","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2026-09-15","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}