{"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\/sq\/blog\/news\/uchenye-iz-mfti-sdelali-shag-k-poyavleniyu-novoj-fleshki","title":{"rendered":"Shkenc\u00ebtar\u00ebt nga MFTI b\u00ebn\u00eb nj\u00eb hap drejt krijimit t\u00eb nj\u00eb \"flash drive\" t\u00eb re","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Krijimi dhe zhvillimi i pajisjeve p\u00ebr ruajtjen e pavarur t\u00eb t\u00eb dh\u00ebnave digjitale \u00ebsht\u00eb b\u00ebr\u00eb p\u00ebr shum\u00eb dekada. Nj\u00eb p\u00ebrparim i v\u00ebrtet\u00eb ndodhi pak m\u00eb pak se 20 vjet m\u00eb par\u00eb me memorjen e tipit NAND, edhe pse zhvillimi i saj nisi rreth 20 vjet m\u00eb her\u00ebt. Sot, pas afro nj\u00eb gjysm\u00eb shekulli q\u00eb nga fillimi i hulumtimeve masive, prodhimit dhe p\u00ebrpjekjeve t\u00eb vazhdueshme p\u00ebr p\u00ebrmir\u00ebsimin e NAND, ky tip memorie \u00ebsht\u00eb af\u00ebr shterimit t\u00eb mund\u00ebsive t\u00eb tij p\u00ebr zhvillim. \u00cbsht\u00eb e nevojshme t\u00eb vendoset baza p\u00ebr kalimin n\u00eb nj\u00eb lloj tjet\u00ebr memorie me karakteristika m\u00eb t\u00eb mira energetike, shpejt\u00ebsie dhe t\u00eb tjera. N\u00eb nj\u00eb perspektiv\u00eb afatgjat\u00eb, nj\u00eb memorie e till\u00eb mund t\u00eb b\u00ebhet memoria segnetoelektrike e tipit t\u00eb ri.<\/p>\n

\"Shkenc\u00ebtar\u00ebt<\/p>\n

Segnetoelektrik\u00ebt (n\u00eb literatur\u00ebn e huaj p\u00ebrdoret akti ferroelectric) jan\u00eb dielektrik\u00eb q\u00eb kan\u00eb kujtes\u00eb p\u00ebr fush\u00ebn elektrike t\u00eb aplikuar ose, ndryshe, karakterizohen nga polarizimi mbetet i ngarkesave. Kujtesa n\u00eb segnetoelektrik\u00eb nuk \u00ebsht\u00eb di\u00e7ka e re. Problemi ka qen\u00eb t\u00eb zvog\u00eblohet shkalla e treguesve segnetoelektrik\u00eb n\u00eb nivelin nanometrik.<\/p>\n

Tre vjet m\u00eb par\u00eb shkenc\u00ebtar\u00ebt n\u00eb MFTI prezantuan<\/a><\/noindex> teknologjin\u00eb e prodhimit t\u00eb materialit t\u00eb holl\u00eb p\u00ebr memorjen segnetoelektrike t\u00eb bazuar n\u00eb oksidin e hafnit (HfO2). Ky gjithashtu nuk \u00ebsht\u00eb nj\u00eb material unik. Ky dielektrik \u00ebsht\u00eb p\u00ebrdorur p\u00ebr disa dekada p\u00ebr prodhimin e tranzistor\u00ebve me mbyllje metalike n\u00eb procesor\u00ebt dhe logjik\u00ebn tjet\u00ebr digjitale. Bazuar n\u00eb filmat polikristalor\u00eb t\u00eb aleat\u00ebve t\u00eb oksideve t\u00eb hafnit dhe cirkonit t\u00eb propozuar n\u00eb MFTI, me trash\u00ebsi prej 2,5 nm, arriti t\u00eb krijohen kalime me pronat segnetoelektrike.<\/p>\n

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N\u00eb m\u00ebnyr\u00eb q\u00eb kondensator\u00ebt segnetoelektrik\u00eb (ashtu si\u00e7 ata filluan t'i quajn\u00eb n\u00eb MFTI) t\u00eb mund t\u00eb p\u00ebrdoren si qeliza memorie, \u00ebsht\u00eb e nevojshme t\u00eb arrihet polarizimi m\u00eb i madh t\u00eb mundsh\u00ebm, p\u00ebr t\u00eb cilin \u00ebsht\u00eb e nevojshme studimi i detajuar i proceseve fizike n\u00eb nanoshtresa. N\u00eb ve\u00e7anti, t\u00eb merret nj\u00eb ide p\u00ebr shp\u00ebrndarjen e potencialit elektrik brenda shtres\u00ebs n\u00eb rastin e aplikimit t\u00eb tensionit. Deri para pak koh\u00ebsh, shkenc\u00ebtar\u00ebt mund t\u00eb mb\u00ebshteteshin vet\u00ebm n\u00eb aparatin matematikor p\u00ebr t\u00eb p\u00ebrshkruar fenomenin, dhe vet\u00ebm tani \u00ebsht\u00eb realizuar nj\u00eb metodologji, me an\u00eb t\u00eb s\u00eb cil\u00ebs \u00ebsht\u00eb arritur t\u00eb shohim brenda materialit gjat\u00eb fenomenit.<\/p>\n

\"Shkenc\u00ebtar\u00ebt<\/p>\n

Metodologjia e propozuar, e cila mb\u00ebshtetet n\u00eb spektroskopin\u00eb fotoelektronike me rreze X me energji t\u00eb lart\u00eb, mund t\u00eb realizohej vet\u00ebm n\u00eb nj\u00eb instalacion t\u00eb ve\u00e7ant\u00eb (accelerator\u00eb sinkrotron). Nj\u00eb e till\u00eb ndodhet n\u00eb Hamburg (Gjermani). T\u00eb gjitha eksperimentet me \"kondensator\u00ebt segnetoelektrik\u00eb\" t\u00eb prodhuar n\u00eb MFTI mbi baz\u00ebn e oksidit t\u00eb hafniumi u kryen n\u00eb Gjermani. Nj\u00eb artikull mbi pun\u00ebn e kryer \u00ebsht\u00eb publikuar n\u00eb Nanoskal\u00eb<\/a><\/noindex>.<\/p>\n

\u00abKondensator\u00ebt ferroelectric\u00eb t\u00eb krijuar n\u00eb laboratorin ton\u00eb, kur p\u00ebrdoren p\u00ebr prodhimin industrial t\u00eb nj\u00ebsive t\u00eb memories energjike, jan\u00eb n\u00eb gjendje t\u00eb ofrojn\u00eb 10\u2077 cikle rikthimi - nj\u00eb kapacitet q\u00eb \u00ebsht\u00eb nj\u00ebqind mij\u00eb her\u00eb m\u00eb i lart\u00eb se ai i programeve moderne kompjuterike\u00bb, - thot\u00eb Andrei Zenkevi\u00e7, nj\u00eb nga autor\u00ebt e pun\u00ebs dhe drejtori i laboratorit t\u00eb materialeve funksionale dhe pajisjeve p\u00ebr nanoelektronik\u00ebn n\u00eb MFTI. K\u00ebshtu, \u00ebsht\u00eb b\u00ebr\u00eb nj\u00eb tjet\u00ebr hap drejt memorjes s\u00eb re, megjithat\u00eb, akoma duhet t\u00eb b\u00ebhen shum\u00eb e shum\u00eb hapa t\u00eb tjer\u00eb.<\/p>\n

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

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