{"id":53384,"date":"2019-11-30T00:00:00","date_gmt":"2019-11-29T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/uchenye-iz-mfti-sdelali-shag-k-poyavleniyu-novoj-fleshki"},"modified":"2020-02-18T14:01:17","modified_gmt":"2020-02-18T11:01:17","slug":"uchenye-iz-mfti-sdelali-shag-k-poyavleniyu-novoj-fleshki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uchenye-iz-mfti-sdelali-shag-k-poyavleniyu-novoj-fleshki","title":{"rendered":"MFTI teadlased on teinud sammu uusi \u201em\u00e4lupulkade\u201c s\u00fcnni suunas.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Energiavarustamata digitaalsete andmete s\u00e4ilitamise seadmete loomine ja v\u00e4ljat\u00f6\u00f6tamine on k\u00e4inud juba mitu aastak\u00fcmmet. Suur l\u00e4bimurre toimus ligi 20 aastat tagasi NAND-m\u00e4lu n\u00e4ol, kuigi selle arendamine algas juba 20 aastat varem. T\u00e4na, umbes pool sajandit p\u00e4rast ulatuslike uuringute, tootmise ja pideva NAND-i t\u00e4iustamise alustamist, on see m\u00e4lu liik j\u00f5udmas oma arengu piiride l\u00e4hedale. On vaja luua alus \u00fcleminekuks uue m\u00e4lut\u00fc\u00fcbi, millel on paremad energiakulu, kiirus ja muud omadused. Pikaajalises perspektiivis v\u00f5ib selliseks m\u00e4luks saada uus t\u00fc\u00fcpi segnetoelektriline m\u00e4lu.<\/p>\n<p><img decoding=\"async\" alt=\"MFTI teadlased on teinud sammu uusi \u201em\u00e4lupulkade\u201c s\u00fcnni suunas.\" src=\"\/wp-content\/uploads\/2019\/11\/decafd3e34f3cbc8fbea7600e3953312.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Segnetoelektrikud (rahvusvahelises kirjanduses kasutatakse m\u00f5istet ferroelectrics) on dielektrikud, mis omavad m\u00e4lu rakendatud elektriv\u00e4lja suhtes v\u00f5i, teisis\u00f5nu, iseloomustavad j\u00e4\u00e4kpolariseeritud laengute olemasolu. Segnetoelektritel p\u00f5hinev m\u00e4lu ei ole midagi uut. Probleemiks oli v\u00e4hendada segnetoelektriliste rakkude m\u00f5\u00f5tmeid nano tasemele.<\/p>\n<p>Kolm aastat tagasi avastasid teadlased MFTI <noindex><a rel=\"nofollow noopener noreferrer\" href=\"https:\/\/3dnews.ru\/931429\" target=\"_blank\">tutvustanud<\/a><\/noindex> hafi oksidil (HfO2) p\u00f5hineva segnetoelektrilise m\u00e4lu \u00f5hukese kihi materjali valmistamistehnoloogia. See pole samuti ainulaadne materjal. See dielektrik on mitme aasta jooksul korduvalt kasutatud metallkattega transistoride valmistamiseks protsessorites ja muudes digitaalsetes loogikates. MFTI poolt pakutud 2,5 nm paksuste hafnium- ja tsirkoonoksiidide sulampol\u00fckristalliliste filmide baasil on \u00f5nnestunud luua segnetoelektriliste omadustega \u00fcleminekud.<\/p>\n<p><center><\/center><\/p>\n<p>Et segnetoelektrilisi kondensaatoreid (nagu neid MFTIs hakatud nimetama) saaks kasutada m\u00e4lulementidena, tuleb saavutada maksimaalne polariseerimine, milleks on vajalik detailne f\u00fc\u00fcsikaliste protsesside uurimine nanokihtides. Eelk\u00f5ige tuleks saada aru elektroopotentsia jaotusest kihi sees pinget rakendades. Veel hiljuti said teadlased toetuda vaid matemaatilistesse meetoditesse n\u00e4htuse kirjeldamiseks, kuid n\u00fc\u00fcd on rakendatud metoodikat, mis v\u00f5imaldab s\u00f5na-s\u00f5nalt vaadata materjali sisse n\u00e4htuse k\u00e4igus.<\/p>\n<p><img decoding=\"async\" alt=\"MFTI teadlased on teinud sammu uusi \u201em\u00e4lupulkade\u201c s\u00fcnni suunas.\" src=\"\/wp-content\/uploads\/2019\/11\/4ed4dcfea256213964ca7e9c4978563e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Pakutud meetod, mis p\u00f5hineb k\u00f5rgeenergeetilisel r\u00f6ntgenfotoelektronide spektroskoopial, sai teostada ainult spetsiaalses seadmes (s\u00fcnkrotronides). Selline asub Hamburgis (Saksamaa). K\u00f5ik eksperimendid MFTI-s valmistatud 'segnetoelektriliste kondensaatoritega', mis on valmistatud hafniumi oksiidist, toimusid Saksamaal. Artikli tehtud t\u00f6\u00f6 kohta on avaldatud <noindex><a rel=\"nofollow noopener noreferrer\" href=\"https:\/\/pubs.rsc.org\/en\/content\/articlelanding\/2019\/NR\/C9NR05904K#!divAbstract\" target=\"_blank\">Nanoskaala<\/a><\/noindex>.<\/p>\n<p>\u201eMeie laboris loodud segnetoelektrilised kondensaatorid, kui neid kasutada energia s\u00f5ltumatute m\u00e4lurakkude t\u00f6\u00f6stuslikuks tootmiseks, suudavad tagada 10^10 uuendusringi \u2014 sada tuhat korda rohkem, kui t\u00e4nap\u00e4eva arvutite m\u00e4lukaardid lubavad,\u201c \u00fctleb Andrei Zenkevich, \u00fcks uurimist\u00f6\u00f6 autoreid ja MFTI funktsionaalsete materjalide ja nanoelektroonika seadmete labori juhataja. Sellega on astutud veel \u00fcks samm uue m\u00e4lu suunas, ehkki neid samme tuleb teha veel v\u00e4ga-v\u00e4ga palju.<\/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 \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/998626\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0434\u043b\u044f \u044d\u043d\u0435\u0440\u0433\u043e\u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u043d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 \u043c\u043d\u043e\u0433\u0438\u0445 \u0434\u0435\u0441\u044f\u0442\u0438\u043b\u0435\u0442\u0438\u0439. \u041d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u043f\u0440\u043e\u0440\u044b\u0432 \u0447\u0443\u0442\u044c \u043c\u0435\u043d\u044c\u0448\u0435 20 \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u0441\u043e\u0432\u0435\u0440\u0448\u0438\u043b\u0430 \u043f\u0430\u043c\u044f\u0442\u044c \u0442\u0438\u043f\u0430 NAND, \u0445\u043e\u0442\u044f \u0435\u0451 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u0442\u0430\u0440\u0442\u043e\u0432\u0430\u043b\u0430 \u0435\u0449\u0451 \u043b\u0435\u0442 \u043d\u0430 20 \u0440\u0430\u043d\u044c\u0448\u0435. \u0421\u0435\u0433\u043e\u0434\u043d\u044f, \u0441\u043f\u0443\u0441\u0442\u044f \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u043f\u043e\u043b\u0432\u0435\u043a\u0430 \u043f\u043e\u0441\u043b\u0435 \u043d\u0430\u0447\u0430\u043b\u0430 \u0448\u0438\u0440\u043e\u043a\u043e\u043c\u0430\u0441\u0448\u0442\u0430\u0431\u043d\u044b\u0445 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0439, \u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u0438 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u044b\u0445 \u0443\u0441\u0438\u043b\u0438\u0439 \u043f\u043e \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044e NAND, \u044d\u0442\u043e\u0442 \u0442\u0438\u043f \u043f\u0430\u043c\u044f\u0442\u0438 \u0431\u043b\u0438\u0437\u043e\u043a \u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53384","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0434\u043b\u044f \u044d\u043d\u0435\u0440\u0433\u043e\u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432\u0435\u0434\u0451\u0442\u0441\u044f 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