{"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\/et\/blog\/news\/skirmiony-mogut-obespechit-mnogourovnevuyu-magnitnuyu-zapis","title":{"rendered":"Skirmionid v\u00f5ivad pakkuda mitmeastmelist magnetkirjutust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00e4ikseimad magnetilised vortevektorstruktuurid, mida nimetatakse skirmlinkideks (nime saanud Briti teoreetilise f\u00fc\u00fcsiku Tony Skyrme'i j\u00e4rgi, kes ennustas nende olemasolu 20. sajandi 60. aastatel), lubavad kujuneda tuleviku magnetilise m\u00e4lu aluseks. Need on topoloogiliselt stabiilsed magnetilised vormid, mida saab erutada magnetkiledes ja seej\u00e4rel nende olekut lugeda. Sellega seotud andmete salvestamine ja lugemine toimub spinnivoolude kaudu, kasutades elektronide spinni p\u00f6\u00f6rlemise edasikandmist. See t\u00e4hendab, et andmete salvestamine ja lugemine saavad toimuda \u00e4\u00e4rmiselt v\u00e4ikeste vooludega. Samuti ei ole magnetilise vortevektori toetamiseks vaja pidevat toiteallika \u00fchendamist, mis viib energiat s\u00e4\u00e4stvale s\u00f5ltumatule m\u00e4lule.<\/p>\n

\"Skirmionid<\/p>\n

Viimase paarik\u00fcmne aasta jooksul on teadlased Venemaal<\/a><\/noindex> ja v\u00e4lismaal<\/a><\/noindex> t\u00e4helepanelikult uurinud skirmlinkide k\u00e4itumist ning usuvad p\u00f5hjusega, et need struktuurid aitavad oluliselt suurendada magnetilise salvestuse tihedust. Veelgi enam, hiljuti on Briti ja Ameerika teadlased viisi<\/a><\/noindex>, kuidas saab skyrmionide kasutamisega salvestustihedateid m\u00e4rgatavalt suurendada ilma keerukate muudatusteta, n\u00e4iteks vortexstruktuuride diameetri v\u00e4hendamisega, mis v\u00f5ib viia teaduslike ideede kiirema realiseerumiseni kaubanduslikuks tooteks.<\/p>\n

\"Skirmionid
\n<\/center><\/p>\n

Ajal, mil traditsiooniline binaarne salvestus, kus 1 ja 0 esindab skyrmioni v\u00f5i selle puudumist, Birmingham, Bristol ja Colorado \u00fclikooli teadlased on tutvustanud kombineeritud vortexstruktuuri, mida nad nimetavad \u00abskyrmioni kott\u00bb (skyrmion bag). Ilmselgelt on \u00abkott\u00bb skyrmionitest parem kui \u00fcksik skyrmion. Skyrmionide arv kotis v\u00f5ib olla mis tahes, mis v\u00f5imaldab tal omada rohkem v\u00e4\u00e4rtusi kui 0 v\u00f5i 1. See on otsene tee salvestustiheduse suurendamiseks. Teatud m\u00e4\u00e4ral on seda v\u00f5imalik v\u00f5rrelda multilevel salvestusega NAND-flesh m\u00e4lus. Pole vaja uuesti meenutada, kui kiiresti on flash-m\u00e4lude turg p\u00e4rast NAND TLC m\u00e4lu laiaulatuslikku tootmist, mis salvestab kolme bitti igasse m\u00e4llu, laienenud.<\/p>\n

\"Skirmionid<\/p>\n

Inglis teadlased esitasid \u00abskirmjonite kott\u00bb struktuuri abstraktse mudelina ja reprodutseerisid n\u00e4htuse simulatsiooniprogrammis. Nende Ameerika kolleegid viisid n\u00e4htuse ellu praktikas, kuigi nad kasutasid p\u00f6\u00f6rlevate struktuuride k\u00e4ivitamiseks vedelkristalle, mitte magnetilisi struktuure. Vedelkristallide, nagu teada, juhitakse magnetv\u00e4lja poolt, mis v\u00f5imaldab neid kasutada katsealusteks eksperimentideks magnetiliste n\u00e4htuste visualiseerimiseks. Ootame katsete \u00fcleminekut magnetfilmidele.<\/p>\n

<\/p>\n

<\/center><\/p>\n

\t\t\t\t


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

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