{"id":202378,"date":"2024-12-25T10:14:51","date_gmt":"2024-12-25T16:14:51","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/12\/mits-light-activated-antiferromagnetic-memory-could-replace-todays-ferromagnets"},"modified":"2024-12-25T10:14:51","modified_gmt":"2024-12-25T16:14:51","slug":"mits-light-activated-antiferromagnetic-memory-could-replace-todays-ferromagnets","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/12\/mits-light-activated-antiferromagnetic-memory-could-replace-todays-ferromagnets","title":{"rendered":"MIT\u2019s light-activated antiferromagnetic memory could replace today\u2019s ferromagnets"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/mits-light-activated-antiferromagnetic-memory-could-replace-todays-ferromagnets.jpg\"><\/a><\/p>\n<p>The research team, led by physics professor Nuh Gedik, concentrated on a material called FePS\u2083, a type of antiferromagnet that transitions to a non-magnetic state at around &minus;247\u00b0F. They hypothesized that precisely exciting the vibrations of FePS\u2083\u2019s atoms with lasers could disrupt its typical antiferromagnetic alignment and induce a new magnetic state.<\/p>\n<p>In conventional magnets (ferromagnets), all atomic spins align in the same direction, making their magnetic field easy to control. In contrast, antiferromagnets have a more complex up-down-up-down spin pattern that cancels out, resulting in zero net magnetization. While this property makes antiferromagnets highly resistant to stray magnetic influences \u2013 an advantage for secure data storage \u2013 it also creates challenges in intentionally switching them between \u201c0\u201d and \u201c1\u201d states for computing.<\/p>\n<p>Gedik\u2019s innovative <a href=\"https:\/\/news.mit.edu\/2024\/physicists-magnetize-material-using-light-1218\">laser-driven approach<\/a> seeks to overcome this obstacle, potentially unlocking antiferromagnets for future high-performance memory and computational technologies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The research team, led by physics professor Nuh Gedik, concentrated on a material called FePS\u2083, a type of antiferromagnet that transitions to a non-magnetic state at around \u2212247\u00b0F. They hypothesized that precisely exciting the vibrations of FePS\u2083\u2019s atoms with lasers could disrupt its typical antiferromagnetic alignment and induce a new magnetic state. In conventional magnets [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,48,1492],"tags":[],"class_list":["post-202378","post","type-post","status-publish","format-standard","hentry","category-computing","category-particle-physics","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/202378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=202378"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/202378\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=202378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=202378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=202378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}