{"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\/hr\/blog\/news\/nafarshirovannye-magnitnymi-chastitsami-nanotrubki-mogut-povysit-plotnost-zapisi-na-zhyostkih-diskah","title":{"rendered":"Napunjene magnetskim \u010desticama nanocijevi mogu pove\u0107ati gustinu snimanja na \u010dvrstim diskovima","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Karbon nanocijevima prona\u0161lo se jo\u0161 jedno primjena. Prije nekoliko dana u \u010dasopisu Nature Scientific Reports objavljen je \u010dlanak koji prvi put razmatra mogu\u0107nost kori\u0161tenja vi\u0161eslojnih karbon nanocijeva (Multiwall carbon nanotubes, MWCNT) u magnetskom snimanju na tvrdim diskovima. To su raznolike slo\u017eene CNT-strukture u obliku 'matrio\u0161ke', 'rolni' i drugih konstrukcija. Zadatak u svim slu\u010dajevima svodi se na to da se svaka takva slo\u017eena karbon nanocijev napuni magnetskim nanopartiklima. Svake pojedina\u010dne magnetske nanopartikle ne\u0107e dati u\u010dinak snimanja podataka. Promijeniti magnetizaciju mogu\u0107e je samo cijeloj cijevi, no to \u0107e i dalje biti gu\u0161\u0107e od snimanja magnetskog domen<\/a> Puno gu\u0161\u0107e.<\/p>\n

\"Napunjene<\/p>\n

Istra\u017eivanje magnetskog snimanja na MWCNT proveli su znanstvenici sa Sveu\u010dili\u0161ta dr\u017eave Aljaska (Fairbanks) i nekoliko drugih znanstvenih institucija SAD-a i \u010ce\u0161ke Republike<\/a>. Jedan od vo\u0111a projekta postao je \u010de\u0161ki znanstvenik Gunther Kletetschka. Stru\u010dnjak isti\u010de da postoje\u0107e metode pove\u0107anja gusto\u0107e snimanja na magnetskim diskovima HDD vi\u0161e ne odgovaraju brzini rasta podataka. Da bi se osigurao rast podataka, potrebno je da gusto\u0107a pohrane podataka na tvrdim diskovima svake godine raste za 40 %, dok ona u posljednjim godinama raste za 10\u201315 % godi\u0161nje. Snimanje kori\u0161tenjem magnetskih karbon cijevi mo\u017ee postati odgovor na izazove informati\u010dkog doba, ali za to je jo\u0161 potrebno poduzeti ogroman istra\u017eiva\u010dki rad.<\/p>\n

Bit otvaranja le\u017ei u tome da su karbonske nanocijevi s magnetskim nano\u010desticama unutar izlagane elektromagnetskom polju razli\u010dite amplitude i frekvencije. Proizvodnja punjenih nano\u010desticama karbonskih cijevi, ina\u010de, vr\u0161ena je metodom depozicije u plinovitom okru\u017eenju \u2015 ni\u0161ta novo. Kada je primijenjeno magnetsko polje s frekvencijom do 10 kHz, nije se doga\u0111alo ni\u0161ta (javljao se povr\u0161inski efekt provodljivosti karbonskih nanocijevi), ali s porastom frekvencije iznad 10 kHz i smanjenjem amplitude polja javljao se efekt magnetizacije karbonske nanocijevi s magnetskim nano\u010desticama. Kako tvrde znanstvenici, vanjsko polje uskla\u0111ivalo se s magnetskim poljem pojedinih \u010destica, \u0161to je omogu\u0107ilo postizanje stabilne magnetizacije nanocijevi u zadanom smjeru.<\/p>\n

\"Napunjene<\/p>\n

Znanstvenici trenutno nemaju prijedloge kako stvoriti mehanizme za snimanje i o\u010ditavanje podataka na skupu karbonskih nanocijevi, ali obe\u0107avaju raditi na tome, jer s vremenom podaci ne \u0107e postati 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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