Ofufuzawo ochokera ku NTnu akukhetsa Kuwala pazinthu zazing'ono pamakalasi ang'onoang'ono popanga makanema mothandizidwa ndi ma X owala kwambiri.
Folvete forn, wothandizirana ndi gulu lamagetsi zamagetsi ku Nttu ndi Gent University ku Belgium adayamba kuona momwe mavidiyo amagetsi amasokonekera. Ntchitoyi, yomwe imathandizidwa pang'ono ndi NTnu nano ndi council ya Norway, idasindikizidwa mu magazini yowunikira.
Maginisi ang'onoang'ono
Einar Stagelnes adapanga maginisi ang'onoang'ono ogwiritsidwa ntchito poyesa.
Maginisi ang'onoang'ono, opangidwa ndi Ntnu Ph.D. Wogwiritsa ntchito Eionar Stambol Stambrnes, ndi miyambo iwiri yokha ndikugawika madera anayi a triangur, iliyonse yokhala ndi maginito osiyana kapena anti-ozungulira mozungulira maginito.
M'magulu ena azamagetsi, magulu ang'onoang'ono a ma atomu gulu limodzi m'madera omwe amatchedwa domain, momwe ma elekitilo onse ali ndi maginito ofanana.
Mu maginito a NTTU, izi zimasonkhana pamtunda - cortorx core-pomwe magnetic mphindi amafotokoza kapena kuchokera mu ndege.
"Tikamagwiritsa ntchito maginito, ambiri mwa mayiko ambiriwa adzalozera mbali yomweyo," akutero Folveli. "Amatha kukula ndipo amatha kuchepetsedwa, kenako amatha kuphatikiza wina ndi mnzake."
Ma elekitoni pafupifupi kuthamanga kwa kuwala
Kuwona izi sizikhala zophweka. Ofufuzawo adatenga symromagnets ku Synchron wa 80m, womwe umadziwika kuti Bessy II, komwe ma elekiti amapita, komwe ma elekitiro amapangidwira mpaka atayenda pafupifupi kuthamanga kwa kuwala. Ma elekitoni othamanga othamangawo ndiye khwangwala.
"Timazigwiritsa ntchito ma X-ray ndikuwagwiritsa ntchito ngati kuunika m'makungu athu," imatero kuti magazini.
Chifukwa ma elekitironi amayenda mozungulira syntrotron m'magulu olekanitsidwa ndi nanoseconds awiri, ma X-ray omwe amapereka amabwera mu mawonekedwe olondola.
Kutumiza ma microscope, kapena styrascope, kapena stxm, amatenga ma X-rays kuti apange chithunzithunzi cha maginito a zinthu. Mwa kumangiriza zododometsa izi pamodzi, ofufuzawo atha kupanga kanema wosonyeza momwe ma micromagnet amasinthira pakapita nthawi.
Mothandizidwa ndi stxm, forven ndi ogwira nawo ntchito adasokoneza micromagnets ndi zomwe zidapangitsa kuti pakhale maginito, ndipo adawona ma daine amasintha mawonekedwe ndi njira ya vortex pachimake kuchokera pakatikati.
"Iwe uli ndi maginito ochepa kwambiri, kenako mumaikoka ndikuyesa momwe iwo akukhalira," akutero. Pambuyo pake, adawonapo pachimake kubwerera kwa pakati, koma m'mbali mwa msewu, osati mzere wowongoka.
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Kukhazikika kamodzi ndipo kwatha
Ndi chifukwa chakuti amaphunzira zida za Epitaxial, zomwe zimapangidwa pamwamba pa gawo lapansi lomwe limalola ofufuza kuti alowetse katundu wazinthuzo, koma amaletsa X-ray mu stxm.
Kugwira ntchito ku NTYU nanolab, ofufuzawo adathetsa vutoli poika maliro a micromagnet kuti ateteze maginito ake.
Kenako amachepetsa mosamala komanso molondola gawo lapansi pansi pa mtengo wa gallium matraum mpaka ochepa ochepa ofesa. Njira yopsa mtima imatha kutenga maola asanu ndi atatu, ndipo imodzi imatha kusokoneza ngozi.
Iye anati: "Chochititsa chidwi ndichakuti, ngati mungaphe maginito, sitingadziwe kuti tisanakhale ku Berlin," akutero. "Chinyengo chake ndichakuti, kubweretsa zitsanzo zoposa chimodzi."
Kuchokera ku sayansi yofunika ku zida zamtsogolo
Mwamwayi, gululi lidagwiritsa ntchito zitsanzo zomwe adagwiritsa ntchito mosamala kuti alembe momwe madera a micromagnetnet amakulira ndikutha nthawi. Adapanganso zosungira zamakompyuta kuti zimvetsetse zomwe zidali zamphamvu zomwe zinali kuntchito.
Komanso popititsa patsogolo chidziwitso chathu cha sayansi yofunika, kumvetsetsa momwe maginito amagwirira ntchito nthawi imeneyo ndi ma sikedi omwe amathandizira kupanga zida zam'tsogolo.
Maginito amagwiritsidwa ntchito kale posungira deta, koma ofufuza akuyang'ana njira zogwirira ntchito. Maginito a Vortex core ndi mayina a micromagnet, mwachitsanzo, akhoza kugwiritsidwa ntchito kuti azigwiritsa ntchito chidziwitso cha 0s ndi 1s.
Ofufuzawo akufuna kubwereza ntchitoyi ndi zida za anti-Ferromagnetic, komwe zida za maginito zimalepheretsa. Awa akulonjeza za kuwerengera lingaliro, ma anti-Fromomagnetic angagwiritsidwe ntchito popanga zida zochepa ndikukhazikika ngakhale otayika kuti afufuze chifukwa chizindikiro chomwe chimapanga chidzakhala chofooka kwambiri.
Ngakhale zinali zovuta, misiri yakhala ndi chiyembekezo. "Taphimba maziko oyamba posonyeza kuti titha kupanga zitsanzo ndikuwayang'ana ndi ma X-rays," akutero. "Gawo lotsatira lidzakhala lowona ngati tingapangire zitsanzo zokwanira kuti mukhale ndi chizindikiro chokwanira kuchokera ku zinthu za anti-frrromagness."
Post Nthawi: Meyi-10-2021