Masana kimiyya sun ɗauki mataki wajen ƙirƙirar na'urori masu ƙarfi waɗanda ke amfani da sumaganadisu caji ta hanyar ƙirƙirar kwafin farko mai girma uku na wani abu da aka sani da spin-ice.
Kayan kankara masu jujjuyawa ba su da wani abu da ya zama ruwan dare gama gari domin suna da lahani da ake kira da suna aiki kamar sanda ɗaya ta maganadisu.
Waɗannan maganadisu guda ɗaya, waɗanda aka fi sani da suna magnetic monopoles, ba sa wanzuwa a yanayi; idan aka raba kowane abu mai maganadisu gida biyu, koyaushe zai ƙirƙiri sabon maganadisu tare da sandar arewa da ta kudu.
Shekaru da dama masana kimiyya suna neman shaidar abubuwan da ke faruwa ta halitta a ko'ina.maganadisu suna da ikon haɗa ƙarfi da ƙarfi a ƙarshe don haɗa manyan ƙarfin yanayi zuwa abin da ake kira ka'idar komai, suna sanya dukkan kimiyyar lissafi a ƙarƙashin rufin gida ɗaya.
Duk da haka, a cikin 'yan shekarun nan masana kimiyyar lissafi sun sami nasarar samar da nau'ikan roba na monopole mai maganadisu ta hanyar ƙirƙirar kayan jujjuyawar kankara mai girma biyu.
Zuwa yanzu waɗannan tsare-tsare sun yi nasarar nuna ƙarfin maganadisu, amma ba zai yiwu a sami irin wannan kimiyyar ba idan kayan ya takaita ga wani tsari guda ɗaya. Hakika, takamaiman yanayin siffofi uku na layin kankara mai juyawa shine mabuɗin ikonsa na ƙirƙirar ƙananan tsare-tsare waɗanda ke kwaikwayon su.maganadisumonopoles.
A cikin wani sabon bincike da aka buga a yau a mujallar Nature Communications, wata ƙungiya da masana kimiyya a Jami'ar Cardiff ke jagoranta ta ƙirƙiri kwafin 3D na farko na kayan spin-ice ta amfani da wani nau'in bugu da sarrafawa na 3D mai inganci.
Ƙungiyar ta ce fasahar buga 3D ta ba su damar daidaita yanayin da ake amfani da shi wajen yin amfani da na'urar jujjuyawar ƙanƙara ta wucin gadi, ma'ana za su iya sarrafa yadda ake samar da kuma motsa na'urorin maganadisu a cikin tsarin.
Samun damar sarrafa ƙananan maganadisu na monopole a cikin 3D na iya buɗe tarin aikace-aikace da yawa, tun daga ingantaccen ajiyar kwamfuta zuwa ƙirƙirar hanyoyin sadarwa na kwamfuta na 3D waɗanda ke kwaikwayon tsarin jijiyoyi na kwakwalwar ɗan adam.
"Shekaru sama da 10 masana kimiyya suna ƙirƙira da nazarin kankara mai kama da na roba a fannoni biyu. Ta hanyar faɗaɗa irin waɗannan tsarin zuwa girma uku, muna samun daidaiton wakilcin kimiyyar monopole na spin-ice kuma muna iya nazarin tasirin saman," in ji babban marubucin Dr. Sam Ladak daga Makarantar Lissafi da Taurari ta Jami'ar Cardiff.
"Wannan shi ne karo na farko da wani ya sami damar ƙirƙirar ainihin kwafin 3D na spin-ice, ta hanyar ƙira, akan sikelin nano."
An ƙirƙiri wannan na'urar jujjuyawar kankara ta wucin gadi ta amfani da dabarun zamani na nanofabrication na 3D inda aka tara ƙananan nanowires zuwa matakai huɗu a cikin tsarin layi, wanda shi kansa ya auna ƙasa da faɗin gashin ɗan adam gaba ɗaya.
An yi amfani da wani nau'in na'urar duban dan tayi na musamman da aka sani da na'urar duban dan tayi mai karfi, wanda ke da saurin kamuwa da maganadisu, don ganin yadda na'urar ke cajin maganadisu da ke kan na'urar, wanda hakan ya bai wa tawagar damar bin diddigin motsin maganadisu mai sanda daya a fadin tsarin 3D.
"Aikinmu yana da mahimmanci domin yana nuna cewa ana iya amfani da fasahar buga nanoscale 3D don kwaikwayon kayan da aka saba haɗa su ta hanyar sinadarai," in ji Dr. Ladak.
"A ƙarshe, wannan aikin zai iya samar da hanyar samar da sabbin kayan maganadisu, inda ake daidaita halayen kayan ta hanyar sarrafa yanayin 3D na layin wucin gadi."
"Na'urorin ajiya na maganadisu, kamar rumbun faifai mai wuya ko na'urorin ƙwaƙwalwar ajiyar hanyar maganadisu, wani yanki ne da wannan ci gaban zai iya shafar shi sosai. Ganin cewa na'urorin da ke amfani da su a yanzu suna amfani da girma biyu kawai daga cikin uku da ake da su, wannan yana iyakance adadin bayanan da za a iya adanawa. Tunda ana iya motsa monopoles a kusa da layin 3D ta amfani da filin maganadisu, yana iya yiwuwa a ƙirƙiri na'urar ajiya ta 3D ta gaskiya bisa ga cajin maganadisu."
Lokacin Saƙo: Mayu-28-2021