Kupezeka kwamkuwa oxidema superconductors okhala ndi kutentha kwambiri kwa Tc kuposa 77K awonetsa chiyembekezo chabwinoko cha ma superconductors, kuphatikiza ma perovskite oxide superconductors okhala ndi zinthu zosowa zapadziko lapansi, monga YBa2Cu3O7- δ。 (chidule cha 123 phase, YBaCuO kapena YBCO) ndi mtundu wofunika kwambiri wa kutentha kwambiri. superconducting zinthu.Makamaka heavy rare earths, mongaGd, Dy, Ho, Er, Tm,ndiAyi,akhoza kusintha pang'ono kapena kwathunthuyttrium yapadziko lapansi (Y), kupanga mndandanda wapamwamba wa Tcdziko losowasuperconducting zida (REBaCuO yosavuta kapena REBCO) yokhala ndi chitukuko chachikulu.
Zosowa zapadziko lapansi za barium copper oxide superconducting zitha kupangidwa kukhala zida zochulukira limodzi, zopangira zokutira (matepi apamwamba kwambiri a m'badwo wachiwiri), kapena zida zoonda zamakanema, zomwe zimagwiritsidwa ntchito popanga zida zamagetsi zamagetsi ndi maginito okhazikika, mphamvu yamagetsi yamphamvu. makina, kapena zida zofooka zamagetsi zamagetsi.Makamaka poyang'anizana ndi zovuta za mphamvu zapadziko lonse ndi zochitika zachilengedwe, asayansi amaneneratu kuti kutentha kwapamwamba kwambiri kudzayambitsa nyengo yatsopano yopangira mphamvu ndi kugawa.
Superconductivity imatanthawuza kuti pansi pazifukwa zina, chinthu chimatengedwa kuti chili ndi zero DC kukana komanso mawonekedwe athunthu a diamagnetic.Izi ndi zinthu ziwiri zodziyimira pawokha, zomwe zimatchedwanso kuti conductivity wathunthu, ndipo zotsirizirazi zimatchedwanso Meisner effect, zomwe zikutanthauza kuti magnetization imathetsa mphamvu ya maginito ya mphamvu ya maginito, zomwe zimapangitsa kuti maginito atuluke. mkati mwa zinthu.
Nthawi yotumiza: Oct-20-2023