Ihe okike na mmepe nke ngwaọrụ maka nchekwa na-adịghị agbanwe agbanwe nke data dijitalụ na-aga n'ihu ruo ọtụtụ iri afọ. Emere ezigbo ọganihu ntakịrị ihe na-erughị afọ 20 gara aga site na NAND ebe nchekwa, n'agbanyeghị mmepe ya malitere 20 afọ gara aga. Taa, ihe dị ka ọkara narị afọ mgbe mmalite nke nyocha buru ibu, mmalite nke mmepụta na mgbalị na-aga n'ihu iji meziwanye NAND, ụdị ebe nchekwa a dị nso na-agwụ ike mmepe ya. Ọ dị mkpa ịtọ ntọala maka ntụgharị gaa na sel nchekwa ọzọ nwere ike dị mma, ọsọ na njirimara ndị ọzọ. N'ime ogologo oge, ebe nchekwa dị otú ahụ nwere ike ịbụ ụdị ebe nchekwa ferroelectric ọhụrụ.
Ferroelectrics (a na-eji okwu ferroelectrics mee ihe na akwụkwọ ndị mba ọzọ) bụ dielectrics nwere ebe nchekwa nke ọkụ eletrik etinyere ma ọ bụ, n'ikwu ya n'ụzọ ọzọ, e ji mara ya site na nkwụsị nke ụgwọ. Ebe nchekwa Ferroelectric abụghị ihe ọhụrụ. Ihe ịma aka ahụ bụ ịtụba mkpụrụ ndụ ferroelectric ruo na ọkwa nanoscale.
Afọ atọ gara aga, ndị ọkà mmụta sayensị na MIPT teknụzụ maka imepụta ihe nkiri dị mkpa maka ebe nchekwa ferroelectric dabere na hafnium oxide (HfO2). Nke a abụghịkwa ihe pụrụ iche. A na-eji dielectric a mee ihe ruo ọtụtụ afọ ise n'usoro iji mee transistor nwere ọnụ ụzọ ígwè na nhazi na mgbagha dijitalụ ndị ọzọ. Dabere na ihe nkiri alloy polycrystalline nke hafnium na zirconium oxides na ọkpụrụkpụ nke 2,5 nm tụrụ aro na MIPT, enwere ike ịmepụta ntụgharị na ihe ndị nwere ferroelectric.
Iji mee ka ndị na-emepụta ferroelectric capacitors (dị ka a malitere ịkpọ ha na MIPT) ka e jiri ya mee ihe dị ka mkpụrụ ndụ nchekwa, ọ dị mkpa iji nweta polarization kachasị elu, nke chọrọ nyocha zuru ezu nke usoro anụ ahụ na nanolayer. Karịsịa, nweta echiche nke nkesa nke ike eletrik n'ime oyi akwa mgbe a na-etinye voltaji. Ruo n'oge na-adịbeghị anya, ndị ọkà mmụta sayensị nwere ike ịdabere naanị na ngwa mgbakọ na mwepụ iji kọwaa ihe ahụ, ma ugbu a, a na-emejuputa usoro nke ọ ga-ekwe omume ileba anya n'ime ihe ahụ n'oge usoro ihe omume ahụ.
Usoro a na-atụ aro, bụ nke dabeere na ọkụ ọkụ X-ray photoelectron spectroscopy, nwere ike ime ya naanị na ntinye pụrụ iche (synchrotron accelerators). Nke a dị na Hamburg (Germany). Nnwale niile nke hafnium oxide dabere na “ferroelectric capacitors” arụpụtara na MIPT mere na Germany. E bipụtara otu akụkọ gbasara ọrụ a rụrụ na .
"The ferroelectric capacitors kere na ụlọ nyocha anyị, ọ bụrụ na ejiri ya maka mmepụta mmepụta nke mkpụrụ ndụ ebe nchekwa na-adịghị agbanwe agbanwe, nwere ike inye 1010 rewrite cycles - otu narị puku ugboro karịa draịva kọmputa ọgbara ọhụrụ kwere," Andrei Zenkevich kwuru, otu n'ime ndị edemede nke ọrụ, onye isi ụlọ nyocha nke ihe na-arụ ọrụ na ngwaọrụ maka nanoelectronics MIPT. Ya mere, e meela nzọụkwụ ọzọ na ebe nchekwa ọhụrụ, n'agbanyeghị na a ka nwere ọtụtụ, ọtụtụ usoro a ga-eme.
isi: 3dnews.ru
