{"id":116714,"date":"2025-05-09T07:28:06","date_gmt":"2025-05-09T06:28:06","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/un-nuevo-tipo-de-semiconductor-permite-almacenar-datos-incluso-en-apagones\/"},"modified":"2025-05-09T07:28:06","modified_gmt":"2025-05-09T06:28:06","slug":"un-nuevo-tipo-de-semiconductor-permite-almacenar-datos-incluso-en-apagones","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/un-nuevo-tipo-de-semiconductor-permite-almacenar-datos-incluso-en-apagones\/","title":{"rendered":"Un nuevo tipo de semiconductor permite almacenar datos incluso en apagones"},"content":{"rendered":"

Un equipo de la Universidad de Ciencia y Tecnolog\u00eda de Pek\u00edn (USTB) y del Centro de F\u00edsica de Materiales del CSIC en el Pa\u00eds Vasco han mejorado las propiedades magn\u00e9ticas de la ferrita de bismuto \u2013un semiconductor parecido a los imanes que produce electricidad\u2013 para crear chips de memoria con alta capacidad y bajo consumo.<\/p>\n

Descubrieron que, si sustitu\u00edan parte del ox\u00edgeno de la ferrita por otro compuesto como el azufre, la fuerza magn\u00e9tica aumentaba su potencia hasta 62 veces.\u00a0<\/p>\n

Seg\u00fan uno de los principales autores del estudio Linxing Zhang de la USTB, el azufre cambia la estructura del semiconductor y la forma en la que sus \u00e1tomos de hierro se juntan con otros pr\u00f3ximos, lo que demuestra una\u00a0mayor imantaci\u00f3n.\u00a0<\/p>\n

El hallazgo mejora el acoplamiento magnetoel\u00e9ctrico, clave para controlar simult\u00e1neamente las propiedades el\u00e9ctricas y magn\u00e9ticas del material<\/p>\n

El hallazgo permite una mejor\u00eda en el acoplamiento magnetoel\u00e9ctrico, es decir en la capacidad de un material para controlar sus propiedades el\u00e9ctricas y magn\u00e9ticas al mismo tiempo.\u00a0<\/p>\n

\u201cEste avance podr\u00eda conducir a aplicaciones m\u00e1s baratas y eficaces en dispositivos de almacenamiento de informaci\u00f3n\u201d, explica, por su parte, el cient\u00edfico del CSIC Yue- Wen Fang.\u00a0<\/p>\n

<\/a><\/p>\n

Los misterios de la ferrita de bismuto<\/h2>\n

La ferrita de bismuto lleva estudi\u00e1ndose m\u00e1s de 50 a\u00f1os. A pesar de la exhaustiva investigaci\u00f3n, \u201ca\u00fan hay muchas cuestiones misteriosas que no se entienden debido a las complejas interacciones entre sus cargas el\u00e9ctricas, propiedades magn\u00e9ticas y estructura\u201d, sostiene.\u00a0<\/p>\n

El semiconductor de ferrita de bismuto \u2013un material el\u00e9ctrico\u2013 posee las cargas positivas y negativas separadas de forma natural, por lo que, pueden variar de direcci\u00f3n si se le aplica energ\u00eda. Esto permite que pueda cambiar entre dos estados estables de \u20180\u2019 y \u20181\u2019, como si se tratara de un interruptor de luz.<\/p>\n

En las memorias de acceso aleatorio que poseen este material, la informaci\u00f3n permanecer\u00eda almacenada de forma segura, aunque se produjera un corte el\u00e9ctrico\u00a0<\/p>\n

En las memorias de acceso aleatorio (tambi\u00e9n llamadas RAM en ingl\u00e9s) que poseen este material, la informaci\u00f3n permanecer\u00eda almacenada de forma segura, aunque se produjera un corte de electricidad. Mientras que en las que no lo tienen \u2013la RAM din\u00e1mica que poseen la mayor\u00eda de los ordenadores\u2013 todo se perder\u00eda si no hubiera energ\u00eda.\u00a0<\/p>\n

En este sentido, la ferrita de bismuto puede mezclar electricidad y magnetismo en un solo material, lo que la har\u00eda interesante para crear equipos que usen poca energ\u00eda o guarden m\u00e1s informaci\u00f3n.\u00a0<\/p>\n

No obstante, todav\u00eda est\u00e1 en fase de desarrollo porque la imantaci\u00f3n en capas delgadas todav\u00eda es muy d\u00e9bil.<\/p>\n

<\/a><\/p>\n

Memoria de almacenamiento multinivel<\/h2>\n

En otras investigaciones, Zhang y Fang crearon un material denominado\u00a0Bi0,5Sm0,5FeO3\u00a0con el que pod\u00edan ajustar la tensi\u00f3n interna del semiconductor y cambiar sus propiedades electr\u00f3nicas y lum\u00ednicas.\u00a0<\/p>\n

Antes, estos dispositivos solo alcanzaban 0,5 voltios, mientras que con el nuevo material pod\u00edan llegar a\u00a01,56 V<\/p>\n

Antes, estos dispositivos solo pod\u00edan alcanzar 0,5 voltios, mientras que con el nuevo material pod\u00edan llegar a 1,56 V, el valor m\u00e1s alto que se ha visto en este tipo de equipos hasta ahora.\u00a0<\/p>\n

Al combinar la intensidad de la luz con el voltaje aplicado al material lograron que el dispositivo pudiera leer y escribir muchos valores diferentes, no solo \u20180\u2019 y \u20181\u2019. Esto permite crear un tipo de memoria llamada almacenamiento multinivel no vol\u00e1til, que guarda m\u00e1s informaci\u00f3n sin borrarse al apagarlo.<\/p>\n

Referencia:<\/p>\n

Guoqiang Xi. Anionic Strategy-Modulated Magnetic Ordering in Super-elongated Multiferroic Epitaxial Films. Nature Communications<\/a>. 2025<\/p>","protected":false},"excerpt":{"rendered":"

Un equipo de la Universidad de Ciencia y Tecnolog\u00eda de Pek\u00edn (USTB) y del Centro de F\u00edsica de Materiales del CSIC en el Pa\u00eds Vasco han mejorado las propiedades magn\u00e9ticas de la ferrita de bismuto \u2013un semiconductor parecido a los imanes que produce electricidad\u2013 para crear chips de memoria con alta capacidad y bajo consumo. […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","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-116714","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"\nUn nuevo tipo de semiconductor permite almacenar datos incluso en apagones - 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\/un-nuevo-tipo-de-semiconductor-permite-almacenar-datos-incluso-en-apagones\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un nuevo tipo de semiconductor permite almacenar datos incluso en apagones\" \/>\n<meta property=\"og:description\" content=\"Un equipo de la Universidad de Ciencia y Tecnolog\u00eda de Pek\u00edn (USTB) y del Centro de F\u00edsica de Materiales del CSIC en el Pa\u00eds Vasco han mejorado las propiedades magn\u00e9ticas de la ferrita de bismuto \u2013un semiconductor parecido a los imanes que produce electricidad\u2013 para crear chips de memoria con alta capacidad y bajo consumo. 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