{"id":3332,"date":"2024-08-12T16:11:05","date_gmt":"2024-08-12T16:11:05","guid":{"rendered":"https:\/\/www.tun.com\/home\/?p=3332"},"modified":"2024-10-17T17:25:43","modified_gmt":"2024-10-17T17:25:43","slug":"breakthrough-in-optical-memory-technology-with-new-magnetic-material","status":"publish","type":"post","link":"https:\/\/www.tun.com\/home\/breakthrough-in-optical-memory-technology-with-new-magnetic-material\/","title":{"rendered":"Breakthrough in Optical Memory Technology With New Magnetic Material"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-uagb-blockquote uagb-block-e7eb3fc3 uagb-blockquote__skin-border uagb-blockquote__stack-img-none\"><blockquote class=\"uagb-blockquote\"><div class=\"uagb-blockquote__content\">Researchers at UChicago&#8217;s Pritzker School of Molecular Engineering have unveiled a game-changing optical memory material that promises faster, more efficient data storage, spotlighting the power of fundamental science.<\/div><footer><div class=\"uagb-blockquote__author-wrap uagb-blockquote__author-at-left\"><\/div><\/footer><\/blockquote><\/div>\n\n\n\n<div class=\"wp-block-group is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-b0ffac9c wp-block-group-is-layout-flex\"><div style=\"font-size:16px\" class=\"has-text-align-left wp-block-post-author\"><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__name\">The University Network<\/p><\/div><\/div>\n\n\n<div class=\"wp-block-uagb-social-share uagb-social-share__outer-wrap uagb-social-share__layout-horizontal uagb-block-ee584a31\">\n<div class=\"wp-block-uagb-social-share-child uagb-ss-repeater uagb-ss__wrapper uagb-block-ec619ce7\"><span class=\"uagb-ss__link\" data-href=\"https:\/\/www.facebook.com\/sharer.php?u=\" tabindex=\"0\" role=\"button\" aria-label=\"facebook\"><span class=\"uagb-ss__source-wrap\"><span class=\"uagb-ss__source-icon\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.8 90.69 226.4 209.3 245V327.7h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.3 482.4 504 379.8 504 256z\"><\/path><\/svg><\/span><\/span><\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-social-share-child uagb-ss-repeater uagb-ss__wrapper uagb-block-32d99934\"><span class=\"uagb-ss__link\" data-href=\"https:\/\/twitter.com\/share?url=\" tabindex=\"0\" role=\"button\" aria-label=\"twitter\"><span class=\"uagb-ss__source-wrap\"><span class=\"uagb-ss__source-icon\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z\"><\/path><\/svg><\/span><\/span><\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-social-share-child uagb-ss-repeater uagb-ss__wrapper uagb-block-1d136f14\"><span class=\"uagb-ss__link\" data-href=\"https:\/\/www.linkedin.com\/shareArticle?url=\" tabindex=\"0\" role=\"button\" aria-label=\"linkedin\"><span class=\"uagb-ss__source-wrap\"><span class=\"uagb-ss__source-icon\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg><\/span><\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In a stunning breakthrough, scientists at the University of Chicago\u2019s Pritzker School of Molecular Engineering have developed a new material that promises to revolutionize data storage by leveraging light to control magnetic properties, enabling faster and more energy-efficient information processing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The team, led by Assistant Professor Shuolong Yang, discovered that a complex material made from manganese, bismuth and tellurium (MnBi2Te4) exhibits unique magnetic properties when exposed to light. This means that a laser can be utilized to encode data within the magnetic states of MnBi2Te4, a concept that could dramatically improve the speed and efficiency of memory devices.<\/p>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-image aligncenter uagb-block-c8a3825e wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-center\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.tun.com\/home\/wp-content\/uploads\/2024\/08\/Optical-Memory-Material.jpg ,https:\/\/www.tun.com\/home\/wp-content\/uploads\/2024\/08\/Optical-Memory-Material.jpg 780w, https:\/\/www.tun.com\/home\/wp-content\/uploads\/2024\/08\/Optical-Memory-Material.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.tun.com\/home\/wp-content\/uploads\/2024\/08\/Optical-Memory-Material.jpg\" alt=\"\" class=\"uag-image-3363\" width=\"700\" height=\"389\" title=\"Optical Memory Material\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>Credit:<\/em> Pritzker School of Molecular Engineering, University of Chicago<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThis really underscores how fundamental science can enable new ways of thinking about engineering applications very directly,\u201d said Yang in a <a href=\"https:\/\/pme.uchicago.edu\/news\/new-material-optically-controlled-magnetic-memory-discovered\" title=\"\">news release<\/a>. \u201cWe started with the motivation to understand the molecular details of this material and ended up realizing it had previously undiscovered properties that make it very useful.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research, <a href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.adn5696\" title=\"\">published<\/a> in the journal Science Advances, demonstrates how electrons in MnBi2Te4 compete between two opposing states \u2014 a topological state, advantageous for quantum information encoding, and a light-sensitive state, beneficial for optical storage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Solving a Topological Puzzle<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MnBi2Te4 has long been studied for its potential as a magnetic topological insulator (MTI), a material that behaves as an insulator inside but permits electric current on its surfaces. In an ideal MTI, a phenomenon known as the quantum Hall effect occurs, where electric currents flow in a streamlined, two-dimensional path along the material&#8217;s edges \u2014 a concept essential for quantum data transmission.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, experimentally leveraging MnBi2Te4&#8217;s topological properties has been challenging. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cOur initial goal was to understand why it has been so hard to get these topological properties in MnBi2Te4,\u201d added Yang. \u201cWhy is the predicted physics not there?\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using advanced spectroscopy techniques developed in Yang\u2019s lab, and collaborating with the University of Florida\u2019s Xiao-Xiao Zhang for magneto-optical Kerr effect (MOKE) measurements, the researchers could observe electron behaviors and their interaction with light in real time.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Discovering Two Opposing States<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The study revealed that MnBi2Te4 hosts a quasi-2D electronic state that competes with the topological state for electrons, impeding its performance as a topological material. However, this quasi-2D state exhibited a strong link between magnetism and external photons, aligning perfectly with the needs of optical memory systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThere is a completely different type of surface electrons that replace the original topological surface electrons,\u201d Yang added. \u201cBut it turns out that this quasi-2D state actually has a different, very useful property.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Looking ahead, Yang\u2019s group plans experiments to manipulate MnBi2Te4\u2019s properties using lasers. They believe this material could significantly outperform current electronic memory devices in terms of efficiency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the balance between the two electronic states might also enhance MnBi2Te4\u2019s potential as an MTI, making it a dual-purpose material suitable for both quantum and optical data storage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cPerhaps we could learn to tune the balance between the original, theoretically predicted state and this new quasi-2D electronic state,\u201d Yang added. \u201cThis might be possible by controlling our synthesis conditions.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With this groundbreaking discovery, the future of high-speed, energy-efficient data storage looks brighter than ever, cementing fundamental science\u2019s critical role in pioneering new technological advancements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a stunning breakthrough, scientists at the University of Chicago\u2019s Pritzker School of Molecular Engineering have developed a new material that promises to revolutionize data storage by leveraging light to control magnetic properties, enabling faster and more energy-efficient information processing. 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In a stunning breakthrough, scientists at the University of Chicago\u2019s Pritzker School of Molecular Engineering have developed a new material that promises to revolutionize data storage by"},"aioseo_meta_data":{"post_id":"3332","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2024-08-12 14:48:45","updated":"2025-06-09 23:27:55","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.tun.com\/home\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.tun.com\/home\/category\/tech\/\" title=\"Tech\">Tech<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tBreakthrough in Optical Memory Technology With New Magnetic Material\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.tun.com\/home"},{"label":"Tech","link":"https:\/\/www.tun.com\/home\/category\/tech\/"},{"label":"Breakthrough in Optical Memory Technology With New Magnetic Material","link":"https:\/\/www.tun.com\/home\/breakthrough-in-optical-memory-technology-with-new-magnetic-material\/"}],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"The University Network","author_link":"https:\/\/www.tun.com\/home\/author\/funky_junkie\/"},"uagb_comment_info":0,"uagb_excerpt":"In a stunning breakthrough, scientists at the University of Chicago\u2019s Pritzker School of Molecular Engineering have developed a new material that promises to revolutionize data storage by leveraging light to control magnetic properties, enabling faster and more energy-efficient information processing. The team, led by Assistant Professor Shuolong Yang, discovered that a complex material made from&hellip;","_links":{"self":[{"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/posts\/3332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/comments?post=3332"}],"version-history":[{"count":10,"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/posts\/3332\/revisions"}],"predecessor-version":[{"id":3370,"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/posts\/3332\/revisions\/3370"}],"wp:attachment":[{"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/media?parent=3332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/categories?post=3332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tun.com\/home\/wp-json\/wp\/v2\/tags?post=3332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}