{"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":"I skirmioni possono garantire una registrazione magnetica multilivello","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le pi\u00f9 piccole strutture vorticoshe magnetiche chiamate skyrmioni (cos\u00ec denominate in onore del fisico teorico britannico Tony Skyrme, che ha previsto questa struttura negli anni '60 del secolo scorso) promettono di diventare la base della memoria magnetica del futuro. Si tratta di formazioni magnetiche topologicamente stabili, che possono essere eccitate in pellicole magnetiche e successivamente il loro stato pu\u00f2 essere letto. Durante questo processo, la scrittura e la lettura avvengono utilizzando correnti di spin, trasferendo il momento angolare degli spin degli elettroni. Ci\u00f2 significa che la scrittura e la lettura possono essere effettuate con correnti estremamente basse. Inoltre, il supporto del vortice magnetico non richiede un'alimentazione costante, portando a una memoria economica e indipendente dall'energia.<\/p>\n<p><img decoding=\"async\" alt=\"I skirmioni possono garantire una 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' <noindex><a rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/972729\">estero<\/a><\/noindex> hanno studiato attentamente il comportamento degli skyrmioni e non senza fondamento ritengono che queste strutture possano contribuire a incrementare significativamente la densit\u00e0 della registrazione magnetica. Inoltre, recentemente 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>, per aumentare notevolmente la densit\u00e0 della registrazione usando skyrmioni senza particolari complessit\u00e0 legate alla riduzione del diametro delle strutture vorticoshe, il che potrebbe portare alla rapida realizzazione del pensiero scientifico in un prodotto commerciale.<\/p>\n<p><img decoding=\"async\" alt=\"I skirmioni possono garantire una 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 lo skirmione o la sua assenza, i ricercatori dell'Universit\u00e0 di Birmingham, di Bristol e dell'Universit\u00e0 del Colorado a Boulder hanno presentato una struttura vorticosa combinata, che hanno chiamato &laquo;borsa di skirmioni&raquo; (skyrmion bag). Senza dubbio, una &laquo;borsa&raquo; di skirmioni \u00e8 migliore di un singolo skirmione. Il numero di skirmioni nella borsa pu\u00f2 essere qualsiasi, il che consentir\u00e0 di attribuirle pi\u00f9 valori oltre a 0 o 1. Questo rappresenta una via diretta per aumentare la densit\u00e0 di registrazione. In un certo senso, \u00e8 comparabile alla registrazione multilevel nella memoria NAND flash. Non c'\u00e8 bisogno di ricordare quanto rapidamente sia cresciuto il mercato delle unit\u00e0 flash dopo l'inizio della produzione di massa della memoria NAND TLC con registrazione di tre bit in ogni cella.<\/p>\n<p><img decoding=\"async\" alt=\"I skirmioni possono garantire una registrazione magnetica multilivello\" src=\"\/wp-content\/uploads\/2019\/05\/7642406e2aedcc2f78ea1f38adb9cf53.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>La creazione della struttura &laquo;borsa di skirmioni&raquo; \u00e8 stata presentata dai ricercatori inglesi come un modello astratto e hanno riprodotto il fenomeno in un programma di simulazione. I loro colleghi americani hanno riprodotto il fenomeno nella pratica, sebbene per attivare le strutture vorticosa abbiano utilizzato cristalli liquidi, piuttosto che strutture magnetiche. I cristalli liquidi, come \u00e8 noto, sono influenzati da un campo magnetico, il che consente di utilizzarli per esperimenti di visualizzazione dei fenomeni magnetici. Attendiamo il trasferimento degli esperimenti su film 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 5.0.1.1 - 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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