Masu bincike daga NTNU suna zubar da haske akan kayan magnetic a kananan sikeli ta hanyar ƙirƙirar fina-finai tare da taimakon wasu X-haskoki.
Erik Forven, Darakta na kungiyar Lantarki na NTNU na NTNU da Ghents daga cikin Belgium da ke canzawa don ganin yadda filin wasan kwaikwayo na bakin ciki. NTNU da NANNU DA AKE SAMUN AIKI DA NANDU NANO da majalisar bincike ta bincike, aka buga a Binciken Norway.
Kankanin magnetets
Digeryal Steetalyyalyal Styenes ƙirƙira da kananan square square da ake amfani da shi a cikin gwaje-gwajen.
Da tiny tin square magnets, wanda NTNU PH.D. Dan takarar Einar mai tsayi Digeres, masu micrometers biyu ne kawai suka raba su cikin domain triangular guda hudu, kowannensu tare da daidaituwa daban-daban da ke nuna agogo biyu da ke nuna agogo.
A wasu kayan tarihi, ƙananan rukunin kwayoyin halitta tare a cikin wuraren da ake kira yankins, a cikin abin da duk zaɓaɓɓen ɗabi'ar suna da daidaito iri ɗaya.
A cikin ntnu magnets, waɗannan yanki suna haɗuwa a tsakiyar-vortex core-inda yanayin magnetic ya nuna kai tsaye a cikin kayan.
"Lokacin da muke amfani da filin Magnetic, ƙari da yawa daga cikin waɗannan yanki zasuyi daidai da wannan shugabanci," in ji Jagoran. "Zasu iya girma kuma suna iya raguwa, sannan kuma zasu iya shiga cikin juna."
Wutan lantarki ya kusan saurin haske
Ganin wannan ya faru ba sauki. Masu binciken sun dauki micromagnets zuwa ga Sychrotron 80m-belu, wanda aka sani da Besyn II, a Berlin, inda Berlinrons suke kara har sai sun yi tafiya kusan saurin haske. Wadancan wutan lantarki mai saurin motsawa sannan suka sanya haske sosai X-haskoki.
"Muna ɗaukar waɗannan X-haskoki kuma muna amfani da su azaman haske a cikin microscope.
Saboda wayoyin lantarki suna tafiya kewaye da Synchrotron a cikin bunches raba biyu biyuoseconds biyu, X-haskoki suna fitowa a madaidaicin kusoshi.
Yin sikelin juyawa mai juyawa, ko stxm, yana ɗaukar waɗancan X-haskoki don ƙirƙirar hoto na tsarin maganadita. Ta hanyar sanya waɗannan hotunan haɗin gwiwa tare, masu binciken na iya ƙirƙirar fim da nunawa yadda micromagnet ya canza akan lokaci.
Tare da taimakon STXM, Gafaransa da abokan aikinsa sun rikitar da micromagnets tare da bugun jini na yanzu wanda ya haifar da siffar Magnetic, kuma ga yanayin canjin canji da kuma vortex store.
"Kuna da ƙananan magnet, sannan kuma ku yi kuka kuma ku yi ƙoƙarin yin hoton shi yayin da yake sake shi," in ji shi. Bayan haka kuma, suka ga tsakiyar tafiya zuwa tsakiya, amma hanya madaidaiciya ba wata madaidaiciya.
"Zai yi natsuwa a cikin hanyar," in ji Jagoranci.
Daya zamewa kuma ya ƙare
Wannan saboda suna yin nazarin kayan ppitaxial, waɗanda aka kirkira a saman substrate wanda ya ba masu bincike damar yin rubutu na kayan, amma zai toshe X-haskoki a cikin stxm.
Yin aiki a NTNU NANLAB, masu binciken sun magance matsalar substrate ta hanyar binne micromagnet a karkashin wani Layer na carbon na carbon don kare kadarorinta na magnetic.
Sannan suna a hankali su a hankali kuma a chiply chipped daga subrate a ƙasa tare da katako mai mayar da hankali na Ions na gallium har sai da wani farin ciki mai ban mamaki ya zauna. Tsarin mai zafi zai iya ɗaukar sa'o'i takwas a kowane samfurin - kuma ɗaya zamewa zai iya rubuta bala'i.
"Abu mai mahimmanci shine, idan kun kashe magnetism, ba za mu san cewa kafin mu zauna a Berlin," in ji shi. "Trick shine, ba shakka, don kawo samfurin sama da ɗaya."
Daga asalin ilimin kimiyyar lissafi zuwa na'urori masu zuwa
Abin godiya ya yi aiki, kuma ƙungiyar ta yi amfani da samfuransu a shirye don samfuran da aka shirya a hankali don tsara yadda ɗakunan micromagnet suka yi girma da kuma raguwa a kan lokaci. Sun kuma kirkiro simintin kwamfuta don mafi kyawun fahimtar abin da sojojin suke aiki.
Kazalika kan wajen ciyar da ilimin kimiyyar kimiyyar lissafi, fahimtar yadda magnetsm yana aiki a wannan tsawon da kuma sikeli na lokaci zai iya taimaka wajen ƙirƙirar na'urorin gaba.
An riga an yi amfani da magnetism don adana bayanai, amma a halin yanzu masu bincike suna neman hanyoyin da za a yi amfani da shi. Abubuwan da ake fahimta game da Magnetic na vortex da domains na micromagnet, alal misali, ana iya amfani da su don sauya bayanai a cikin hanyar 0s da 1s.
Yanzu masu binciken yanzu suna kokarin maimaita wannan aikin tare da kayan anti-perromagnetic, inda net din game da lokacin da ya shafi lokacin magnetic na kansa ya fashe. Wadannan suna da yawa idan aka samu a ka'idodi, ana iya amfani da kayan aikin anti-Ferromagetic don yin karancin karfi kuma lokacin da simintin da suke haifar da shi ne mai rauni.
Duk da wannan ƙalubalen, rashin fata yana da kyakkyawan fata. "Mun rufe ƙasa ta farko ta hanyar nuna zamu iya yin samfurori kuma muna duban su da X-haskoki," in ji shi. "Mataki na gaba zai kasance don ganin ko zamu iya yin samfuran isasshen inganci don samun isasshen siginar daga kayan anti-ferrometic."
Lokaci: Mayu-10-2021