Abashakashatsi bo muri NTNU barimo kumurika ibikoresho bya magneti ku munzani muto barema firime babifashijwemo na x-imirasire ya X-imirasire.
Erik Foreven, umuyobozi w'itsinda rya elegisics ya okide muri gahunda ya elegitoronike muri gahunda ya elegitoroniki, na bagenzi be muri kaminuza ya NTNU na Ghed muri kaminuza yoroheje ya NTNU na Ghem. Akazi, guterwa igice na NTNU Nano n'Ubushakashatsi bwa Noruveje, byasohotse mu kinyamakuru ubushakashatsi ku mubiri.
Magnets ntoya
Einar stal marters yahimbye magneti ntoya ya kare ikoreshwa mubushakashatsi.
Agace gato ka kare, byakozwe na NTNU PH.d. Umukandida EINAR SARIGING, ni micrometero ebyiri gusa z'ubugari kandi zigabanyijemo impapuro enye za mpandeshatu, buri kimwe gifite icyerekezo gitandukanye cya magnetique cyerekana igice cyangwa anti-isaha imwe.
Mu bikoresho bimwe bya rukuruzi, amatsinda mato ya atome hamwe mu turere twitwa domaine, aho electron yose ifite icyerekezo kimwe cya magneti.
Muri Magnets ya NTNU, aba domein bahura kumwanya nyamukuru - vorsex Core-aho umwanya wa magnetic ugana mubintu cyangwa hanze yindege.
Basimba agira ati: "Iyo dushyize mu bikorwa umurima wa rukuruzi, byinshi muribi birahuza bizatanga icyerekezo kimwe." "Barashobora gukura kandi barashobora kugabanuka, hanyuma barashobora guhuriza hamwe."
Electrons hafi yumuvuduko wumucyo
Kubona ibi bibaho ntabwo byoroshye. Abashakashatsi bafashe Micromannet zabo muri Synchrotron ya 80 z'ubugari, uzwi ku izina rya Besy Ii, i Berlin, aho electrons yihuta kugeza igihe bagenda hafi y'umucyo. Ayo electron yihuta yihuta noneho yohereza x-imirasire ya x-imirasire.
Abantu bavuga bati: "Dufata iyi mirasire x kandi tubikoresha nk'urumuri muri microscope yacu."
Kuberako electrons izenguruka syncrotron mumasatsi yatandukanijwe na nanoseconds ebyiri, x-rays basohora baza muri gereza.
Gusikana kwanduza X-ray microscope, cyangwa stxm, ifata iyo x-imirasire yo gukora snapshot yimiterere yumubiri. Mugukora iyi snapshots hamwe, abashakashatsi barashobora gukora muri make firime yerekana uburyo micromagnet ihinduka mugihe.
Abifashijwemo na stxm, abantu bakorana na bagenzi be bahungabanije micromagnets zabo hamwe na pulse ya magneti, kandi babona indangarugero bahindura imiterere na Vortex Core yimuka muri Centre.
Agira ati: "Ufite micnet nto cyane, hanyuma urayikuramo ukagerageza gushushanya uko byatunguye." Nyuma, babonye inkuru yibanze isubira hagati - ariko munzira ihindagurika, ntabwo ari umurongo ugororotse.
Miswa agira ati: "Bizasubira mu kigo.
Kunyerera kimwe kandi birarangiye
Ni ukubera ko biga ibikoresho byo hejuru, biremwa hejuru ya substrate yemerera abashakashatsi kugirango bagaragaze imitungo y'ibikoresho, ariko bakabuza X-imirasire muri stxm.
Gukorera muri NTNU Nanolab, abashakashatsi bakemuye ikibazo cyo kwerekana ushyingura micromagrit yabo munsi ya karubone kugirango barinde imitungo ya magneti.
Noneho bashinze neza kandi bashinze umutwe munsi yicyatsi cyibanze cya Gallium ion kugeza igice gito cyane cyagumyeho. Inzira yo gukinisha irashobora gufata amasaha umunani kuri sample - kandi kunyerera bishobora kwerekana ibyago.
Agira ati: "Ikintu gikomeye ni uko, niba wishe magnetism, ntituzamenya ko mbere yo kwicara i Berlin." "Amayeri, birumvikana ko azana icyitegererezo kirenze kimwe."
Kuva kumubiri wibanze kubikoresho bizaza
Igishimishije cyakoze, kandi itsinda ryakoresheje ingero zabo ziteguye kugirango imbonerahamwe uburyo isi ya micromagnet ikura kandi igabanuka mugihe. Baremye kandi ibihembo bya mudasobwa kugirango barusheho gusobanukirwa nimbaraga ziri kukazi.
Kimwe no guteza imbere ubumenyi bwa fiziki yibanze, gusobanukirwa uburyo imbaraga zabanzaga zikora muri ubwo burebure nigihe kinini gishobora gufasha mugushinga ibikoresho bizaza.
Magnetism isanzwe ikoreshwa mububiko bwamakuru, ariko abashakashatsi kuri ubu barimo gushaka uburyo bwo gukoresha neza. Icyerekezo cya rukuruzi cya Vortex Core na domisiyo ya micromagnet, kurugero, birashoboka ko zishobora gukoreshwa mugushinga amakuru muburyo bwa 0s na 1s.
Abashakashatsi bafite intego yo gusubiramo iki gikorwa hamwe nibikoresho byo kurwanya Ferromagnetic, aho ingaruka zidasanzwe za maguketi kugiti cye zisimbuka. Ibi biratanga ikizere mugihe cyo kubara - mubikoresho, ibikoresho byo kurwanya ferromagnetic kugirango bikore ibyo bikoresho bisaba imbaraga nke kandi bikagumaho iperereza nubwo imbaraga zitanga zizaba zifite intege nke.
Nubwo iyo kibazo, abantu bafite icyizere. Agira ati: "Twashizeho ikibanza cya mbere twerekana ko dushobora gukora ingero tukareba hamwe na X-imirasire." "Intambwe ikurikira izashaka kumenya niba dushobora gukora ingero z'ubuziranenge buhebuje kubona ibimenyetso bihagije bivuye mu bikoresho byo kurwanya ferromagnetic."
Igihe cya nyuma: Gicurasi-10-2021