{"id":30849,"date":"2019-10-31T21:37:45","date_gmt":"2019-10-31T18:37:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/nafarshirovannye-magnitnymi-chastitsami-nanotrubki-mogut-povysit-plotnost-zapisi-na-zhyostkih-diskah\/"},"modified":"2026-02-14T21:16:18","modified_gmt":"2026-02-14T19:16:18","slug":"nafarshirovannye-magnitnymi-chastitsami-nanotrubki-mogut-povysit-plotnost-zapisi-na-zhyostkih-diskah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/nafarshirovannye-magnitnymi-chastitsami-nanotrubki-mogut-povysit-plotnost-zapisi-na-zhyostkih-diskah","title":{"rendered":"Nastavljeni z magnetnimi delci nanotiubi lahko pove\u010dajo gostoto shranjevanja na trdih diskih","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ugljeni\u010dne nanocijevi su prona\u0161le jo\u0161 jednu primenu. Pre nekoliko dana je u \u010dasopisu Nature Scientific Reports objavljen \u010dlanak koji prvi put razmatra mogu\u0107nost kori\u0161\u0107enja vi\u0161enamenskih ugljeni\u010dnih nanocijevi (Multiwall carbon nanotubes, MWCNT) u magnetskom snimanju na tvrdom diskovima. Ovo su raznolike slo\u017eene CNT strukture u obliku 'matrio\u0161ke', 'rolni' i drugih konstrukcija. Cilj u svim slu\u010dajevima je isti \u2013 napuniti svaku od ovih slo\u017eenih ugljeni\u010dnih nanocijevi magnetskim nanopartiklima. Svaka pojedina\u010dna magnetska nanoparticula ne\u0107e omogu\u0107iti efekat snimanja podataka. Promeniti magnetizaciju je mogu\u0107e samo \u010ditave cijevi, ali to \u0107e i dalje biti gusto nego snimiti magnetni domena<\/a> na obi\u010dnoj magnetskoj plo\u010di HDD. Vi\u0161estruko gu\u0161\u0107e.<\/p>\n

\"Nastavljeni<\/p>\n

Istra\u017eivanje magnetskog snimanja na MWCNT sproveli su nau\u010dnici sa Univerziteta Aljaska (Fairbanks) i niza drugih nau\u010dnih ustanova u SAD-u i \u010ce\u0161koj Republici<\/a>. Jedan od vo\u0111a projekta je \u010de\u0161ki nau\u010dnik Gunter Klete\u010dka (Gunther Kletetschka). Stru\u010dnjak nagla\u0161ava da postoje\u0107e metode pove\u0107anja gustine snimanja na magnetskim diskovima HDD vi\u0161e ne odgovaraju brzini rasta podataka. Da bi se obuzdao rast podataka, potrebno je da gustina skladi\u0161tenja podataka na tvrdim diskovima svake godine raste za 40 %, dok u poslednjim godinama raste za 10\u201315 % godi\u0161nje. Snimanje kori\u0161\u0107enjem ugljeni\u010dnih magnetskih cijevi mo\u017ee postati odgovor na izazove informati\u010dkog vremena, ali za to jo\u0161 uvek treba obaviti ogroman istra\u017eiva\u010dki rad.<\/p>\n

Osnovna ideja otvaranja je u tome \u0161to su ugljeni\u010dne nanocijevi sa magnetskim nano\u010desticama unutar njih bile podvrgnute elektromagnetnom polju razli\u010dite amplitude i frekvencije. Izrada punjenih nano\u010desticama ugljeni\u010dnih cijevi, usput re\u010deno, vr\u0161ena je putem talo\u017eenja u gasovitoj sredini - ni\u0161ta novo. Kada se primeni magnetsko polje sa frekvencijom do 10 kHz, ni\u0161ta se nije de\u0161avalo (odrazila se povr\u0161inska provodljivost ugljeni\u010dnih nanocijevi), ali sa porastom frekvencije iznad 10 kHz i smanjenjem amplitude polja javljao se efekat magnetizacije ugljeni\u010dne nanocijevi sa magnetskim nano\u010desticama. Kako veruju nau\u010dnici, spolja\u0161nje polje je dolazilo u skladu sa magnetnim poljem pojedina\u010dnih \u010destica, \u0161to je omogu\u0107ilo da se nanocijevi dodeli stabilna magnetizacija u odre\u0111enom pravcu.<\/p>\n

\"Nastavljeni<\/p>\n

Nau\u010dnici jo\u0161 uvek nemaju predloge o tome kako i na koji na\u010din stvoriti mehanizme za pisanje i \u010ditanje podataka na nizu ugljeni\u010dnih nanocijevi, ali obe\u0107avaju da \u0107e dobro raditi na tom polju, jer s vremenom podataka ne\u0107e biti manje.<\/p>\n

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Izvor: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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