The Meissner impact shown by levitating a magnet higher than a cuprate superconductor, which happens to be cooled by liquid nitrogen Underneath some ailments, for example really minimal temperatures, some ceramics exhibit high-temperature superconductivity (in superconductivity, "high temperature" usually means earlier mentioned 30 K). The reason for it's not comprehended, https://landenertqp.techionblog.com/39401341/an-unbiased-view-of-aluminiumoxide