Muminda yekucheka-kumucheto senge semiconductor kugadzira uye quantum precision kuyerwa, iyo inotarisisa zvakanyanya kune electromagnetic nharaunda, kunyangwe kudiki kukanganiswa kwemagetsi mumidziyo kunogona kukonzera kutsauka chaiko, zvichikanganisa kunaka kwechigadzirwa chekupedzisira uye mhedzisiro yekuedza. Sechikamu chakakosha chinotsigira chaiyo midziyo, iyo magineti yekubatika maitiro egranite precision mapuratifomu ave chinhu chakakosha mukuona kushanda kwakagadzikana kwemidziyo. Kuongorora kwakadzama kweiyo magineti yekusagadzikana kwekuita kwegranite chaiyo mapuratifomu kunobatsira kunzwisisa kukosha kwavo kusingadzoreki mukugadzirwa kwepamusoro uye mamiriro ekutsvagisa kwesainzi. Granite inonyanya kuumbwa nemaminerari akadai sequartz, feldspar uye mica. Iyo yemagetsi chimiro cheaya emaminerari makristasi anotarisisa iwo magineti susceptibility maitiro egranite. Kubva pakuona kwemicroscopic, mukati memaminerari akadai sequartz (SiO_2) uye feldspar (yakadai se potassium feldspar (KAlSi_3O_8)), maerekitironi anowanikwa ari maviri maviri mukati mecovalent kana ionic bond. Zvinoenderana neiyo Pauli yekusarudzika musimboti mu quantum mechanics, mafambiro ekutenderera emaerekitironi akapetana, uye nguva dzawo dzemagineti dzinodzima kunze, zvichiita kuti mhinduro yese yemaminerari kune yekunze magineti ishaye simba zvakanyanya. Naizvozvo, granite ndeye yakajairwa diamagnetic zvinhu zvine yakanyanya kuderera magineti susceptibility, kazhinji kutenderedza kurongeka kwe \(-10 ^{-5}\), iyo inogona kupotsa kufuratirwa. Kuenzaniswa nezvinhu zvesimbi, iyo magineti susceptibility mukana wegranite yakakosha. Zvizhinji zvesimbi zvesimbi zvakaita sesimbi ferromagnetic kana paramagnetic zvinhu, zvine huwandu hukuru hwemaerekitironi asina kupetwa mukati. Iyo spin magineti nguva dzema electrons aya anogona kukurumidza Kutungamira uye kuenderana pasi pechiito chekunze kwemagineti, zvichikonzera kubatwa kwemagineti kwezvinhu zvesimbi zvakakwirira sekurongeka kwe \(10^2-10^6\). Kana paine magineti emagetsi kubva kunze, zviumbwa zvesimbi zvinobatana zvine simba nemagnetic field, zvichigadzira electromagnetic eddy currents uye kurasikirwa kwehysteresis, izvo zvinozokanganisa kushanda kwakajairwa kwezvinhu zvemagetsi mukati memidziyo. Granite precision mapuratifomu, neayo akanyanya kuderera magineti susceptibility, haatombodyidzana nekunze magineti minda, zvinobudirira kudzivirira chizvarwa chekukanganiswa kwemagetsi uye kugadzira yakagadzikana nharaunda yekushanda yemidziyo chaiyo. Mumashandisirwo anoshanda, iyo yakaderera magineti susceptibility hunhu hwegranite chaiyo mapuratifomu inoita basa rakakosha. Mune quantum makomputa masisitimu, superconducting qubits inonzwa zvakanyanya kune electromagnetic ruzha. Kunyangwe magnetic field fluctuation ye1nT (nanotesla) level inogona kukonzera kurasikirwa kwekubatana kwequbits, zvichiita kuti computational kukanganisa. Mushure mekunge chimwe chikwata chekutsvagisa chatsiva chikuva chekuyedza nezvinhu zvegranite, ruzha rwekumashure remagineti rwakatenderedza mudziyo rwakadonha zvakanyanya kubva pa5nT kuenda pazasi 0.1nT. Nguva yekubatana yequbits yakawedzerwa katatu, uye kukanganisa kwekushanda kwakaderedzwa ne80%, kunyanya kusimbisa kugadzikana uye kururamisa kwehuwandu hwekombuta. Mumunda we semiconductor lithography midziyo, iyo yakanyanyisa ultraviolet mwenje sosi uye chaiyo masensa panguva yelithography maitiro ane zvakaomesesa zvinodiwa zvemagetsi emagetsi. Mushure mekutora iyo granite chaiyo chikuva, midziyo yakanyatso ramba kukanganiswa kwemagetsi ekunze, uye iko kurongeka kwakagadziridzwa kubva ± 10nm kusvika ± 3nm, ichipa vimbiso yakasimba yekugadzirwa kwakagadzikana kwemaitiro epamberi e7nm uye pazasi. Uye zvakare, mune yakakwira-chaiyo ma electron microscopes, nyukireya magineti resonance imaging michina uye zvimwe zviridzwa zvinonzwa kune emagetsi nharaunda, granite chaiyo mapuratifomu zvakare inova nechokwadi chekuti michina inokwanisa kuita nepainogona napo nekuda kwekuderera kwayo magineti maitiro. Iyo ingangoita zero magineti susceptibility yemapuratifomu egranite chaiyo inoita kuti ive sarudzo yakanaka yemidziyo chaiyo yekudzivisa kukanganiswa kwemagetsi. Sezvo tekinoroji ichifambira mberi yakanangana nekurongeka uye zvakanyanya kuomarara masisitimu, izvo zvinodikanwa zvekuenderana kwemagetsi emidziyo zviri kuwedzera kuomarara. Granite precision mapuratifomu, ane mukana uyu wakasarudzika, anosungirwa kuenderera mberi nekuita basa rakakosha mukugadzira-yekupedzisira-yekupedzisira uye yekucheka-kumucheto tsvagiridzo yesainzi, kubatsira iyo indasitiri inogara ichityora mabhodhoro ehunyanzvi uye kusvika pakakwirira.
Nguva yekutumira: May-14-2025