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Actually, each band crossing point at the K or K\u2032 point is described by a 2D Weyl Hamiltonian with definite chirality; hence, it should be a Weyl point. To the best of its knowledge, there have not yet been any reports of a genuine (<jats:italic>i<\/jats:italic>.<jats:italic>e<\/jats:italic>., fourfold degenerate) 2D Dirac point half\u2010metal. In this work, using first\u2010principles calculations, it proposes <jats:italic>for<\/jats:italic> <jats:italic>the<\/jats:italic> <jats:italic>first<\/jats:italic> <jats:italic>time<\/jats:italic> that the 2D <jats:italic>d<\/jats:italic><jats:sup>0<\/jats:sup>\u2010type ferromagnet Mg<jats:sub>4<\/jats:sub>N<jats:sub>4<\/jats:sub> is a genuine 2D Dirac half\u2010metal candidate with a fourfold degenerate Dirac point at the S high\u2010symmetry point, intrinsic magnetism, a high Curie temperature, 100% spin polarization, topology robust under the SOC and uniaxial and biaxial strains, and spin\u2010polarized edge states. This work can serve as a starting point for future predictions of intrinsically magnetic materials with genuine 2D Dirac points, which will aid the frontier of topo\u2010spintronics research in 2D\u00a0systems.<\/jats:p>","DOI":"10.1002\/advs.202307297","type":"journal-article","created":{"date-parts":[[2023,12,3]],"date-time":"2023-12-03T22:29:16Z","timestamp":1701642556000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Genuine Dirac Half\u2010Metals in Two\u2010Dimensions"],"prefix":"10.1002","volume":"11","author":[{"given":"Jialin","family":"Gong","sequence":"first","affiliation":[{"name":"Institute for Superconducting and Electronic Materials (ISEM) University of Wollongong Wollongong 2500 Australia"},{"name":"School of Physical Science and Technology Southwest University Chongqing 400715 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guangqian","family":"Ding","sequence":"additional","affiliation":[{"name":"School of Science Chongqing University of Posts and Telecommunications Chongqing 400065 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chengwu","family":"Xie","sequence":"additional","affiliation":[{"name":"School of Electronics and Information Engineering Tiangong University Tianjin 300387 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenhong","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Electronics and Information Engineering Tiangong University Tianjin 300387 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Hebei University of Technology Tianjin 300130 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Institute of High Performance Computing Agency for Science Technology and Research (A*STAR) Singapore 138632 Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaotian","family":"Wang","sequence":"additional","affiliation":[{"name":"Institute for Superconducting and Electronic Materials (ISEM) University of Wollongong Wollongong 2500 Australia"},{"name":"School of Physical Science and Technology Southwest University Chongqing 400715 China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,12,3]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41565-019-0438-6"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201900065"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.nantod.2021.101338"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41524-020-00428-x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aav4450"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcc.7b10051"},{"key":"e_1_2_8_7_1","first-page":"3770","volume":"8","author":"Wang A.","year":"2017","journal-title":"J. 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