{"id":205799,"date":"2025-02-07T03:14:35","date_gmt":"2025-02-07T09:14:35","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/02\/advance-in-opto-magnetic-technology-leads-to-five-fold-increase-in-torque-efficiency"},"modified":"2025-02-07T03:14:35","modified_gmt":"2025-02-07T09:14:35","slug":"advance-in-opto-magnetic-technology-leads-to-five-fold-increase-in-torque-efficiency","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/02\/advance-in-opto-magnetic-technology-leads-to-five-fold-increase-in-torque-efficiency","title":{"rendered":"Advance in opto-magnetic technology leads to five-fold increase in torque efficiency"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/advance-in-opto-magnetic-technology-leads-to-five-fold-increase-in-torque-efficiency2.jpg\"><\/a><\/p>\n<p>Researchers at Tohoku University have achieved a significant advancement in opto-magnetic technology, observing an opto-magnetic torque approximately five times more efficient than in conventional magnets. This breakthrough, led by Koki Nukui, Assistant Professor Satoshi Iihama, and Professor Shigemi Mizukami, has far-reaching implications for the development of light-based spin memory and storage technologies.<\/p>\n<p>Opto-magnetic <a href=\"https:\/\/phys.org\/tags\/torque\/\" rel=\"tag\" class=\"\">torque<\/a> is a method which can generate force on magnets. This can be used to change the direction of magnets by light more efficiently. By creating alloy nanofilms with up to 70% platinum dissolved in cobalt, the team discovered that the unique relativistic quantum mechanical effects of platinum significantly boost the magnetic torque.<\/p>\n<p>The study revealed that the enhancement of opto-magnetic torque was attributed to the electron <a href=\"https:\/\/phys.org\/tags\/orbital+angular+momentum\/\" rel=\"tag\" class=\"\">orbital angular momentum<\/a> generated by circularly polarized light and relativistic quantum mechanical effects. The findings are <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/PhysRevLett.134.016701\" target=\"_blank\">published<\/a> in Physical Review Letters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers at Tohoku University have achieved a significant advancement in opto-magnetic technology, observing an opto-magnetic torque approximately five times more efficient than in conventional magnets. This breakthrough, led by Koki Nukui, Assistant Professor Satoshi Iihama, and Professor Shigemi Mizukami, has far-reaching implications for the development of light-based spin memory and storage technologies. Opto-magnetic torque is [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1522,1617],"tags":[],"class_list":["post-205799","post","type-post","status-publish","format-standard","hentry","category-innovation","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/205799","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=205799"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/205799\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=205799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=205799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=205799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}