Ososayensi bathathe isinyathelo ekudalweni kwamadivayisi anamandla asebenzisaamandla kazibuthe ukushaja ngokudala ikhophi yokuqala enezinhlangothi ezintathu yento eyaziwa ngokuthi i-spin-ice.
Izinto zeqhwa ezijikelezayo azivamile kakhulu njengoba zineziphambeko ezisebenza njengesigxobo esisodwa semagnethi.
Lawa ma-magnets e-single pole, aziwa nangokuthi ama-monopole e-magnetic, awakho emvelweni; uma yonke into e-magnetic inqunywa kabili, izohlala idala i-magnet entsha ene-north pole ne-south pole.
Sekungamashumi eminyaka ososayensi befuna ubufakazi bokuthi izinto zenzeka ngokwemveloamandla kazibuthe ama-monopole ngethemba lokugcina ehlanganisa amandla ayisisekelo emvelo abe yinkolelo-mbono yakho konke, abeke yonke i-physics ngaphansi kophahla olulodwa.
Kodwa-ke, eminyakeni yamuva nje izazi zesayensi yefiziksi zikwazile ukukhiqiza izinguqulo zokwenziwa ze-monopole yamagnetic ngokudala izinto ze-spin-ice ezinezinhlangothi ezimbili.
Kuze kube manje lezi zakhiwo zibonise ngempumelelo i-monopole yamagnetic, kodwa akunakwenzeka ukuthola i-physics efanayo uma izinto zigcinwe endizeni eyodwa. Ngempela, yi-geometry ethize enezinhlangothi ezintathu ye-spin-ice lattice eyisihluthulelo sekhono layo elingavamile lokudala izakhiwo ezincane ezilingisaamandla kazibutheama-monopole.
Esifundweni esisha esishicilelwe namuhla ku-Nature Communications, ithimba eliholwa ososayensi eCardiff University lidale ikhophi yokuqala ye-3D yezinto ezi-spin-ice besebenzisa uhlobo oluyinkimbinkimbi lokuphrinta nokucubungula kwe-3D.
Ithimba lithi ubuchwepheshe bokuphrinta be-3D bulivumele ukuthi lihlele i-geometry ye-spin-ice yokwenziwa, okusho ukuthi lingakwazi ukulawula indlela ama-monopole amagnetic akhiwa futhi ashukunyiswa ngayo ezinhlelweni.
Ukukwazi ukulawula omaginethi amancane e-monopole ku-3D kungavula izinhlelo zokusebenza eziningi abathi, kusukela ekugcinweni kwekhompyutha okuthuthukisiwe kuya ekudalweni kwamanethiwekhi e-3D computing alingisa isakhiwo sezinzwa zobuchopho bomuntu.
“Sekuyiminyaka engaphezu kwe-10 ososayensi bedala futhi befunda i-spin-ice yokwenziwa ngezindlela ezimbili. Ngokwandisa izinhlelo ezinjalo zibe yizilinganiso ezintathu sithola ukumelwa okunembe kakhulu kwe-spin-ice monopole physics futhi siyakwazi ukutadisha umthelela wendawo,” kusho umlobi oholayo uDkt. Sam Ladak waseSikoleni Sefiziksi Nezinkanyezi saseCardiff University.
"Lesi yisikhathi sokuqala ukuthi noma ubani akwazi ukudala ikhophi eqondile ye-3D ye-spin-ice, ngomklamo, ku-nanoscale."
I-spin-ice yokwenziwa yadalwa kusetshenziswa amasu obuchwepheshe be-nanofabrication e-3D asezingeni eliphezulu lapho izintambo ezincane ze-nano zafakwa khona zibe yizingqimba ezine esakhiweni se-lattice, sona ngokwaso esasilinganisa ububanzi obungaphansi koboya bomuntu bubonke.
Uhlobo olukhethekile lwe-microscopy olwaziwa ngokuthi i-magnetic force microscopy, oluzwela amandla emagnetism, lwabe selusetshenziswa ukubona ngeso lengqondo amashaja emagnethi akhona kudivayisi, okuvumela ithimba ukuthi lilandelele ukunyakaza kwamamagnethi e-single-pole kulo lonke isakhiwo se-3D.
“Umsebenzi wethu ubalulekile njengoba ubonisa ukuthi ubuchwepheshe bokuphrinta be-3D obuncane bungasetshenziswa ukulingisa izinto ezivame ukwenziwa nge-chemistry,” kuqhubeka uDkt. Ladak.
"Ekugcineni, lo msebenzi ungahlinzeka ngendlela yokukhiqiza izinto ezintsha ze-magnetic metamaterials, lapho izakhiwo zezinto zilungiswa khona ngokulawula i-geometry ye-3D ye-lattice yokwenziwa."
"Amadivayisi okugcina amandla kazibuthe, njenge-hard disk drive noma amadivayisi ememori yokufinyelela okungahleliwe kazibuthe, angenye indawo engathintwa kakhulu yilokhu kuphumelela. Njengoba amadivayisi amanje esebenzisa ubukhulu obubili kuphela kwezintathu ezitholakalayo, lokhu kunciphisa inani lolwazi olungagcinwa. Njengoba ama-monopole angahanjiswa azungeze i-lattice ye-3D kusetshenziswa insimu kazibuthe, kungenzeka ukudala idivayisi yangempela yokugcina ye-3D ngokusekelwe ekushajweni kwamandla kazibuthe."
Isikhathi sokuthunyelwe: Meyi-28-2021