{"id":211204,"date":"2026-10-29T10:28:10","date_gmt":"2026-10-29T09:28:10","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos\/"},"modified":"2026-10-29T10:28:10","modified_gmt":"2026-10-29T09:28:10","slug":"logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos\/","title":{"rendered":"Logran leer el\u00e9ctricamente la informaci\u00f3n magn\u00e9tica oculta de un nuevo material: los altermagnetos"},"content":{"rendered":"El equipo investigador del grupo Nanodispositivos de CIC nanoGUNE, en colaboraci\u00f3n con el Mesoscopic Physics Group del Centro de F\u00edsica de Materiales (CFM) y grupos de investigaci\u00f3n de Chequia, Alemania y Francia, ha demostrado experimentalmente, por primera vez, que es posible obtener de un altermagneto una corriente de esp\u00edn capaz de transportar informaci\u00f3n magn\u00e9tica. El resultado est\u00e1 respaldado por el modelo te\u00f3rico de transporte electr\u00f3nico desarrollado por el grupo del CFM.\nEl resultado confirma experimentalmente una predicci\u00f3n formulada hace pocos a\u00f1os por grupos de investigaci\u00f3n de Chequia y Alemania\n                <a href=\"https:\/\/wa.me\/?text=\" title=\"Compartir en WhatsApp\"><\/a>\n                <a href=\"https:\/\/bsky.app\/intent\/compose?text=%3Cp%3EEl%20resultado%20confirma%20experimentalmente%20una%20predicci%C3%B3n%20formulada%20hace%20pocos%20a%C3%B1os%20por%20grupos%20de%20investigaci%C3%B3n%20de%20Chequia%20y%20Alemania%3C%2Fp%3E:+\" title=\"Compartir en BlueSky\"><\/a>\n                <a href=\"https:\/\/x.com\/intent\/tweet?url=&amp;via=agencia_sinc&amp;text=%3Cp%3EEl%20resultado%20confirma%20experimentalmente%20una%20predicci%C3%B3n%20formulada%20hace%20pocos%20a%C3%B1os%20por%20grupos%20de%20investigaci%C3%B3n%20de%20Chequia%20y%20Alemania%3C%2Fp%3E\" title=\"Compartir en X\"><\/a>\n                <a href=\"https:\/\/www.facebook.com\/sharer.php?u=&amp;t=%3Cp%3EEl%20resultado%20confirma%20experimentalmente%20una%20predicci%C3%B3n%20formulada%20hace%20pocos%20a%C3%B1os%20por%20grupos%20de%20investigaci%C3%B3n%20de%20Chequia%20y%20Alemania%3C%2Fp%3E\" title=\"Compartir en Facebook\"><\/a>\n                <a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&amp;url=&amp;title=%3Cp%3EEl%20resultado%20confirma%20experimentalmente%20una%20predicci%C3%B3n%20formulada%20hace%20pocos%20a%C3%B1os%20por%20grupos%20de%20investigaci%C3%B3n%20de%20Chequia%20y%20Alemania%3C%2Fp%3E&amp;summary=%3Cp%3EEl%20resultado%20confirma%20experimentalmente%20una%20predicci%C3%B3n%20formulada%20hace%20pocos%20a%C3%B1os%20por%20grupos%20de%20investigaci%C3%B3n%20de%20Chequia%20y%20Alemania%3C%2Fp%3E&amp;source=agencia_sinc\" title=\"Compartir en LinkedIn\"><\/a>\n                <a href=\"http:\/\/www.agenciasinc.es\/Noticias\/logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos#\" title=\"Copiar enlace\"><\/a>\n            (function () {\n                const copyText = text =&gt; navigator.clipboard\n                    ? navigator.clipboard.writeText(text)\n                    : new Promise((resolve, reject) =&gt; {\n                        try {\n                            const ta = document.createElement(&#8216;textarea&#8217;);\n                            ta.value = text;\n                            ta.setAttribute(&#8216;readonly&#8217;, \u00bb);\n                            ta.style.position = &#8216;absolute&#8217;;\n                            ta.style.left = &#8216;-9999px&#8217;;\n                            document.body.appendChild(ta);\n                            ta.select();\n                            document.execCommand(&#8216;copy&#8217;);\n                            document.body.removeChild(ta);\n                            resolve();\n                        } catch (e) { reject(e); }\n                    });\n                const showOk = el =&gt; {\n                    if (!el) return;\n                    el.classList.replace(&#8216;fa-link&#8217;, &#8216;fa-check&#8217;);\n                    const oldTitle = el.title;\n                    el.title = &#8216;URL copiada&#8217;;\n                    setTimeout(() =&gt; {\n                        el.classList.replace(&#8216;fa-check&#8217;, &#8216;fa-link&#8217;);\n                        el.title = oldTitle || &#8216;Copiar enlace&#8217;;\n                    }, 1600);\n                };\n                document.addEventListener(&#8216;click&#8217;, ev =&gt; {\n                    const t = ev.target;\n                    if (t?.classList?.contains(&#8216;copy-link&#8217;)) {\n                        ev.preventDefault();\n                        const url = t.getAttribute(&#8216;data-contenturl&#8217;) || window.location.href;\n                        copyText(url).then(() =&gt; showOk(t)).catch(() =&gt; showOk(t));\n                    }\n                });\n            })();\nLos altermagnetos constituyen una nueva clase de materiales que, pese a no presentar la magnetizaci\u00f3n neta caracter\u00edstica de los imanes convencionales, puede generar este tipo de corrientes.\nEl resultado confirma experimentalmente una predicci\u00f3n formulada hace pocos a\u00f1os por grupos de investigaci\u00f3n de Chequia y Alemania, y supone un avance significativo en el estudio de los altermagnetos y su potencial para el desarrollo de nuevas tecnolog\u00edas de almacenamiento y procesamiento de la informaci\u00f3n. Los resultados de este estudio se han publicado en la revista <a href=\"https:\/\/www.nature.com\/articles\/s41586-026-11227-7\">Nature.<\/a>\nLa direcci\u00f3n de los momentos magn\u00e9ticos\nEn los imanes convencionales, o ferromagnetos, los momentos magn\u00e9ticos de los \u00e1tomos apuntan en la misma direcci\u00f3n. La suma de estos momentos genera una magnetizaci\u00f3n neta, responsable del campo magn\u00e9tico que asociamos habitualmente con un im\u00e1n, pero que tambi\u00e9n se utiliza como informaci\u00f3n en las memorias magn\u00e9ticas que utilizamos a diario en dispositivos como discos duros, servidores o tarjetas con bandas magn\u00e9ticas.\nAl igual que los antiferromagnetos, los altermagnetos no presentan magnetizaci\u00f3n neta\n                <a href=\"https:\/\/wa.me\/?text=\" title=\"Compartir en WhatsApp\"><\/a>\n                <a href=\"https:\/\/bsky.app\/intent\/compose?text=%3Cp%3EAl%20igual%20que%20los%20antiferromagnetos%2C%20los%20altermagnetos%20no%20presentan%20magnetizaci%C3%B3n%20neta%3C%2Fp%3E:+\" title=\"Compartir en BlueSky\"><\/a>\n                <a href=\"https:\/\/x.com\/intent\/tweet?url=&amp;via=agencia_sinc&amp;text=%3Cp%3EAl%20igual%20que%20los%20antiferromagnetos%2C%20los%20altermagnetos%20no%20presentan%20magnetizaci%C3%B3n%20neta%3C%2Fp%3E\" title=\"Compartir en X\"><\/a>\n                <a href=\"https:\/\/www.facebook.com\/sharer.php?u=&amp;t=%3Cp%3EAl%20igual%20que%20los%20antiferromagnetos%2C%20los%20altermagnetos%20no%20presentan%20magnetizaci%C3%B3n%20neta%3C%2Fp%3E\" title=\"Compartir en Facebook\"><\/a>\n                <a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&amp;url=&amp;title=%3Cp%3EAl%20igual%20que%20los%20antiferromagnetos%2C%20los%20altermagnetos%20no%20presentan%20magnetizaci%C3%B3n%20neta%3C%2Fp%3E&amp;summary=%3Cp%3EAl%20igual%20que%20los%20antiferromagnetos%2C%20los%20altermagnetos%20no%20presentan%20magnetizaci%C3%B3n%20neta%3C%2Fp%3E&amp;source=agencia_sinc\" title=\"Compartir en LinkedIn\"><\/a>\n                <a href=\"http:\/\/www.agenciasinc.es\/Noticias\/logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos#\" title=\"Copiar enlace\"><\/a>\n            (function () {\n                const copyText = text =&gt; navigator.clipboard\n                    ? navigator.clipboard.writeText(text)\n                    : new Promise((resolve, reject) =&gt; {\n                        try {\n                            const ta = document.createElement(&#8216;textarea&#8217;);\n                            ta.value = text;\n                            ta.setAttribute(&#8216;readonly&#8217;, \u00bb);\n                            ta.style.position = &#8216;absolute&#8217;;\n                            ta.style.left = &#8216;-9999px&#8217;;\n                            document.body.appendChild(ta);\n                            ta.select();\n                            document.execCommand(&#8216;copy&#8217;);\n                            document.body.removeChild(ta);\n                            resolve();\n                        } catch (e) { reject(e); }\n                    });\n                const showOk = el =&gt; {\n                    if (!el) return;\n                    el.classList.replace(&#8216;fa-link&#8217;, &#8216;fa-check&#8217;);\n                    const oldTitle = el.title;\n                    el.title = &#8216;URL copiada&#8217;;\n                    setTimeout(() =&gt; {\n                        el.classList.replace(&#8216;fa-check&#8217;, &#8216;fa-link&#8217;);\n                        el.title = oldTitle || &#8216;Copiar enlace&#8217;;\n                    }, 1600);\n                };\n                document.addEventListener(&#8216;click&#8217;, ev =&gt; {\n                    const t = ev.target;\n                    if (t?.classList?.contains(&#8216;copy-link&#8217;)) {\n                        ev.preventDefault();\n                        const url = t.getAttribute(&#8216;data-contenturl&#8217;) || window.location.href;\n                        copyText(url).then(() =&gt; showOk(t)).catch(() =&gt; showOk(t));\n                    }\n                });\n            })();\nEn los antiferromagnetos convencionales, en cambio, los momentos magn\u00e9ticos se orientan en direcciones opuestas y se compensan entre s\u00ed, de modo que el material no presenta magnetizaci\u00f3n neta, aunque mantiene un orden magn\u00e9tico interno.\nSi bien los antiferromagnetos se conocen desde hace aproximadamente un siglo, solo recientemente se ha identificado una nueva clase de materiales con momentos magn\u00e9ticos compensados: los altermagnetos. Al igual que los antiferromagnetos, los altermagnetos no presentan magnetizaci\u00f3n neta.\n\u201cDicho orden magn\u00e9tico sigue teniendo dos estados posibles, pero resulta indistinguible desde el exterior porque no genera ning\u00fan campo magn\u00e9tico: la informaci\u00f3n permanece oculta en el interior del material. Sin embargo, en estos materiales, el orden magn\u00e9tico interno s\u00ed influye en el comportamiento de los electrones. Esta interacci\u00f3n permite traducir la informaci\u00f3n magn\u00e9tica en una se\u00f1al el\u00e9ctrica y abre as\u00ed una v\u00eda para acceder a ella\u201d, se\u00f1ala F\u00e8lix Casanova, l\u00edder del grupo de Nanodispositivos de nanoGUNE.\n\u00a0\n                        <a href=\"https:\/\/www.agenciasinc.es\/Reportajes\/La-informatica-encuentra-un-aliado-en-los-hongos\">\n                            \n                        <\/a>\n                    <a href=\"https:\/\/www.agenciasinc.es\/Reportajes\/La-informatica-encuentra-un-aliado-en-los-hongos\"><\/a>\n\n                            La inform\u00e1tica encuentra un aliado en los hongos\n                        \n                    \n                                <a href=\"https:\/\/www.agenciasinc.es\/Autor\/Alberto-Payo\">\n                                    Alberto Payo\n                                <\/a>\nExtraer informaci\u00f3n magn\u00e9tica\nPara demostrarlo, el equipo investigador ha desarrollado un nanodispositivo capaz de extraer la informaci\u00f3n magn\u00e9tica del altermagneto y transportarla hasta un detector.\n\u201cEn el dispositivo desarrollado, el altermagneto y el detector est\u00e1n separados por apenas 300 nan\u00f3metros, aproximadamente una cent\u00e9sima parte del grosor de un cabello humano. Al hacer circular una corriente el\u00e9ctrica por el altermagneto, su orden magn\u00e9tico interno influye en el comportamiento de los electrones y genera una corriente de esp\u00edn que se propaga a trav\u00e9s de un canal met\u00e1lico hasta alcanzar el detector, donde produce una se\u00f1al el\u00e9ctrica\u201d, explica Jone Mencos, investigadora del grupo Nanodispositivos de nanoGUNE y primera autora del trabajo.\n      \nAl hacer circular una corriente el\u00e9ctrica por el altermagneto, su orden magn\u00e9tico interno influye en el comportamiento de los electrones y genera una corriente de esp\u00edn que se propaga a trav\u00e9s de un canal met\u00e1lico hasta alcanzar el detector, donde produce una se\u00f1al el\u00e9ctrica\n      Jone Mencos, CIC nanoGUNE\n      \n          <a href=\"https:\/\/wa.me\/?text=\" title=\"Compartir en WhatsApp\"><\/a>\n          <a href=\"https:\/\/bsky.app\/intent\/compose?text=%3Cp%3EAl%20hacer%20circular%20una%20corriente%20el%C3%A9ctrica%20por%20el%20altermagneto%2C%20su%20orden%20magn%C3%A9tico%20interno%20influye%20en%20el%20comportamiento%20de%20los%20electrones%20y%20genera%20una%20corriente%20de%20esp%C3%ADn%20que%20se%20propaga%20a%20trav%C3%A9s%20de%20un%20canal%20met%C3%A1lico%20hasta%20alcanzar%20el%20detector%2C%20donde%20produce%20una%20se%C3%B1al%20el%C3%A9ctrica%3C%2Fp%3E:+\" title=\"Compartir en BlueSky\"><\/a>\n          <a href=\"https:\/\/x.com\/intent\/tweet?url=&amp;via=agencia_sinc&amp;text=%3Cp%3EAl%20hacer%20circular%20una%20corriente%20el%C3%A9ctrica%20por%20el%20altermagneto%2C%20su%20orden%20magn%C3%A9tico%20interno%20influye%20en%20el%20comportamiento%20de%20los%20electrones%20y%20genera%20una%20corriente%20de%20esp%C3%ADn%20que%20se%20propaga%20a%20trav%C3%A9s%20de%20un%20canal%20met%C3%A1lico%20hasta%20alcanzar%20el%20detector%2C%20donde%20produce%20una%20se%C3%B1al%20el%C3%A9ctrica%3C%2Fp%3E\" title=\"Compartir en X\"><\/a>\n          <a href=\"https:\/\/www.facebook.com\/sharer.php?u=&amp;t=%3Cp%3EAl%20hacer%20circular%20una%20corriente%20el%C3%A9ctrica%20por%20el%20altermagneto%2C%20su%20orden%20magn%C3%A9tico%20interno%20influye%20en%20el%20comportamiento%20de%20los%20electrones%20y%20genera%20una%20corriente%20de%20esp%C3%ADn%20que%20se%20propaga%20a%20trav%C3%A9s%20de%20un%20canal%20met%C3%A1lico%20hasta%20alcanzar%20el%20detector%2C%20donde%20produce%20una%20se%C3%B1al%20el%C3%A9ctrica%3C%2Fp%3E\" title=\"Compartir en Facebook\"><\/a>\n          <a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&amp;url=&amp;title=%3Cp%3EAl%20hacer%20circular%20una%20corriente%20el%C3%A9ctrica%20por%20el%20altermagneto%2C%20su%20orden%20magn%C3%A9tico%20interno%20influye%20en%20el%20comportamiento%20de%20los%20electrones%20y%20genera%20una%20corriente%20de%20esp%C3%ADn%20que%20se%20propaga%20a%20trav%C3%A9s%20de%20un%20canal%20met%C3%A1lico%20hasta%20alcanzar%20el%20detector%2C%20donde%20produce%20una%20se%C3%B1al%20el%C3%A9ctrica%3C%2Fp%3E&amp;summary=%3Cp%3EAl%20hacer%20circular%20una%20corriente%20el%C3%A9ctrica%20por%20el%20altermagneto%2C%20su%20orden%20magn%C3%A9tico%20interno%20influye%20en%20el%20comportamiento%20de%20los%20electrones%20y%20genera%20una%20corriente%20de%20esp%C3%ADn%20que%20se%20propaga%20a%20trav%C3%A9s%20de%20un%20canal%20met%C3%A1lico%20hasta%20alcanzar%20el%20detector%2C%20donde%20produce%20una%20se%C3%B1al%20el%C3%A9ctrica%3C%2Fp%3E&amp;source=agencia_sinc\" title=\"Compartir en LinkedIn\"><\/a>\n          <a href=\"http:\/\/www.agenciasinc.es\/Noticias\/logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos#\" title=\"Copiar enlace\"><\/a>\nPosteriormente, \u201cel equipo invierte el orden magn\u00e9tico del material mediante campos magn\u00e9ticos intensos, disponibles en nuestro laboratorio, y observa que la se\u00f1al detectada tambi\u00e9n cambia de sentido. Esta correspondencia confirma que la se\u00f1al el\u00e9ctrica est\u00e1 vinculada a la informaci\u00f3n magn\u00e9tica interna del altermagneto y permite descartar que se deba a otros efectos presentes en el dispositivo\u201d, a\u00f1ade la investigadora de nanoGUNE.\nSeg\u00fan el personal investigador, los altermagnetos podr\u00edan abrir la puerta a memorias magn\u00e9ticas m\u00e1s r\u00e1pidas, robustas y densas. Al no presentar magnetizaci\u00f3n neta, estos materiales pueden invertir su orden magn\u00e9tico m\u00e1s r\u00e1pidamente, son menos sensibles a los campos magn\u00e9ticos externos que pueden borrar las memorias magn\u00e9ticas convencionales y generan menos interferencias entre dispositivos, lo que permitir\u00eda almacenar m\u00e1s informaci\u00f3n en menos espacio.\n\u201cEl siguiente reto ser\u00e1 conseguir invertir su orden magn\u00e9tico mediante impulsos el\u00e9ctricos de bajo consumo y hacer funcionar estos dispositivos a temperatura ambiente\u201d, indica F\u00e8lix Casanova.\nReferencia:\nJone Mencos, F\u00e8lix Casanova et al. Time-reversal-symmetry-breaking spin injection from a compensated magnet. <a href=\"https:\/\/www.nature.com\/articles\/s41586-026-11227-7\">Nature<\/a> (2026).\n\u00a0","protected":false},"excerpt":{"rendered":"<p>El equipo investigador del grupo Nanodispositivos de CIC nanoGUNE, en colaboraci\u00f3n con el Mesoscopic Physics Group del Centro de F\u00edsica de Materiales (CFM) y grupos de investigaci\u00f3n de Chequia, Alemania y Francia, ha demostrado experimentalmente, por primera vez, que es posible obtener de un altermagneto una corriente de esp\u00edn capaz de transportar informaci\u00f3n magn\u00e9tica. El [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-211204","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.9 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Logran leer el\u00e9ctricamente la informaci\u00f3n magn\u00e9tica oculta de un nuevo material: los altermagnetos - bip4ex<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helloproject.es\/vigilancia\/logran-leer-electricamente-la-informacion-magnetica-oculta-de-un-nuevo-material-los-altermagnetos\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Logran leer el\u00e9ctricamente la informaci\u00f3n magn\u00e9tica oculta de un nuevo material: los altermagnetos\" \/>\n<meta property=\"og:description\" content=\"El equipo investigador del grupo Nanodispositivos de CIC nanoGUNE, en colaboraci\u00f3n con el Mesoscopic Physics Group del Centro de F\u00edsica de Materiales (CFM) y grupos de investigaci\u00f3n de Chequia, Alemania y Francia, ha demostrado experimentalmente, por primera vez, que es posible obtener de un altermagneto una corriente de esp\u00edn capaz de transportar informaci\u00f3n magn\u00e9tica. 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