{"id":33036,"date":"2019-10-31T21:50:24","date_gmt":"2019-10-31T18:50:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/skirmiony-mogut-obespechit-mnogourovnevuyu-magnitnuyu-zapis\/"},"modified":"2019-10-31T21:50:24","modified_gmt":"2019-10-31T18:50:24","slug":"skirmiony-mogut-obespechit-mnogourovnevuyu-magnitnuyu-zapis","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/skirmiony-mogut-obespechit-mnogourovnevuyu-magnitnuyu-zapis","title":{"rendered":"Gli skyrmioni possono fornire registrazione magnetica multilivello.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le minuscole strutture magnetiche a vortice chiamate skyrmioni (nome derivato dal fisico teorico britannico Tony Skyrme, che ne previde l'esistenza negli anni '60) promettono di diventare la base della memoria magnetica del futuro. Queste formazioni magnetiche topologicamente stabili possono essere eccitate in film magnetici e il loro stato pu\u00f2 essere letto. Per questo, la scrittura e la lettura avvengono utilizzando correnti di spin, tramite il trasferimento del momento angolare degli elettroni. Ci\u00f2 significa che scrittura e lettura possono avvenire con correnti estremamente basse. Inoltre, il mantenimento del vortice magnetico non richiede un'alimentazione continua, il che porta a una memoria economica e indipendente dall'energia.<\/p>\n<p><img decoding=\"async\" alt=\"Gli skyrmioni possono fornire registrazione magnetica multilivello.\" src=\"\/wp-content\/uploads\/2019\/05\/d11a7d360a1835f4811b43ebf451827b.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Negli ultimi anni, gli scienziati in <noindex><a rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/978535\">Russia<\/a><\/noindex> e all'estero <noindex><a rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/972729\">hanno studiato attentamente il comportamento degli skyrmioni e non senza fondamento ritengono che queste strutture possano contribuire in modo significativo ad aumentare la densit\u00e0 della registrazione magnetica. Inoltre, recentemente, scienziati britannici e americani<\/a><\/noindex> studiano attentamente il comportamento degli skyrmioni e non senza motivo credono che queste strutture possano aumentare significativamente la densit\u00e0 della registrazione magnetica. Inoltre, di recente, scienziati britannici e americani <noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagenewsletter.com\/2019\/04\/30\/rd-skyrmions-could-provide-next-gen-storage\/\">hanno trovato un modo<\/a><\/noindex>, in che modo \u00e8 possibile aumentare notevolmente la densit\u00e0 di registrazione utilizzando skyrmioni senza le difficolt\u00e0 legate alla riduzione del diametro delle strutture vorticoshe, il che potrebbe portare a una pi\u00f9 rapida realizzazione del pensiero scientifico in un prodotto commerciale.<\/p>\n<p><img decoding=\"async\" alt=\"Gli skyrmioni possono fornire registrazione magnetica multilivello.\" src=\"\/wp-content\/uploads\/2019\/05\/e4b0488cd6303b02cb051b28aa79c5b1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/center><\/p>\n<p>Invece della tradizionale registrazione binaria, in cui 1 e 0 rappresentano uno skyrmione o la sua assenza, i ricercatori dell'Universit\u00e0 di Birmingham, di Bristol e dell'Universit\u00e0 del Colorado di Boulder hanno presentato una struttura vorticosa combinata chiamata &laquo;borsa di skyrmioni&raquo; (skyrmion bag). Senza dubbio, una &laquo;borsa&raquo; di skyrmioni \u00e8 migliore di un singolo skyrmione. Il numero di skyrmioni nella borsa pu\u00f2 essere qualsiasi, il che consente di assegnargli pi\u00f9 valori di 0 o 1. Questo \u00e8 un diretto passo verso l'aumento della densit\u00e0 di registrazione. In una certa misura, \u00e8 paragonabile alla registrazione multilevel in una cella NAND flash. Non \u00e8 necessario ricordare quanto velocemente si sia espanso il mercato delle chiavette USB dopo l'inizio della produzione di massa della memoria NAND TLC che registra tre bit in ogni cella.<\/p>\n<p><img decoding=\"async\" alt=\"Gli skyrmioni possono fornire registrazione magnetica multilivello.\" src=\"\/wp-content\/uploads\/2019\/05\/7642406e2aedcc2f78ea1f38adb9cf53.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>La creazione della struttura del \"sacco di Skyrmion\" \u00e8 stata presentata da ricercatori inglesi sotto forma di modello astratto e riprodotta tramite un programma di simulazione. I loro colleghi americani hanno replicato il fenomeno nella pratica, sebbene per avviare le strutture vorticosi abbiano utilizzato cristalli liquidi anzich\u00e9 strutture magnetiche. I cristalli liquidi, come \u00e8 noto, sono controllati da un campo magnetico, il che consente di impiegarli per esperimenti dimostrativi per visualizzare fenomeni magnetici. Attendiamo il trasferimento degli esperimenti su filtri magnetici.<\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/986851\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u0435\u043b\u044c\u0447\u0430\u0439\u0448\u0438\u0435 \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u044b\u0435 \u0432\u0438\u0445\u0440\u0435\u0432\u044b\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0441\u043a\u0438\u0440\u043c\u0438\u043e\u043d\u044b (\u043d\u0430\u0437\u0432\u0430\u043d\u044b \u0442\u0430\u043a \u0432 \u0447\u0435\u0441\u0442\u044c \u0431\u0440\u0438\u0442\u0430\u043d\u0441\u043a\u043e\u0433\u043e \u0444\u0438\u0437\u0438\u043a\u0430-\u0442\u0435\u043e\u0440\u0435\u0442\u0438\u043a\u0430 \u0422\u043e\u043d\u0438 \u0421\u043a\u0438\u0440\u043c\u0438 (Tony Skyrme), \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0430\u0432\u0448\u0435\u0433\u043e \u044d\u0442\u0443 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443 \u0432 60-\u0445 \u0433\u043e\u0434\u0430\u0445 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0432\u0435\u043a\u0430) \u043e\u0431\u0435\u0449\u0430\u044e\u0442 \u0441\u0442\u0430\u0442\u044c \u043e\u0441\u043d\u043e\u0432\u043e\u0439 \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0431\u0443\u0434\u0443\u0449\u0435\u0433\u043e. \u042d\u0442\u043e \u0442\u043e\u043f\u043e\u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438 \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u044b\u0435 \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0436\u043d\u043e \u0432\u043e\u0437\u0431\u0443\u0436\u0434\u0430\u0442\u044c \u0432 \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u044b\u0445 \u043f\u043b\u0451\u043d\u043a\u0430\u0445, \u0430 \u0437\u0430\u0442\u0435\u043c \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0442\u044c \u0438\u0445 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0437\u0430\u043f\u0438\u0441\u044c \u0438 \u0447\u0442\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u044f\u0442 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0441\u043f\u0438\u043d\u043e\u0432\u044b\u0445 \u0442\u043e\u043a\u043e\u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24793,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-33036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041c\u0435\u043b\u044c\u0447\u0430\u0439\u0448\u0438\u0435 \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u044b\u0435 \u0432\u0438\u0445\u0440\u0435\u0432\u044b\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0441\u043a\u0438\u0440\u043c\u0438\u043e\u043d\u044b (\u043d\u0430\u0437\u0432\u0430\u043d\u044b \u0442\u0430\u043a \u0432 \u0447\u0435\u0441\u0442\u044c \u0431\u0440\u0438\u0442\u0430\u043d\u0441\u043a\u043e\u0433\u043e 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