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The table below shows some of the parameters of common superconductors. X:Y means material X doped with element Y, T C is the highest reported transition temperature in kelvins and H C is a critical magnetic field in tesla. "BCS" means whether or not the superconductivity is explained within the BCS theory.
The second class of high-temperature superconductors in the practical classification is the iron-based compounds. [8] [9] Magnesium diboride is sometimes included in high-temperature superconductors: It is relatively simple to manufacture, but it superconducts only below 39 K (−234.2 °C), which makes it unsuitable for liquid nitrogen cooling.
High-temperature superconductors are copper oxide based superconductors which often have critical temperatures higher than 77 K, the temperature of liquid nitrogen. Pages in category "High-temperature superconductors"
Magnesium diboride (MgB 2), whose critical temperature is 39K, [3] being the conventional superconductor with the highest known temperature. non-cuprate oxides such as BKBO. Palladates – palladium compounds. [4] [5] others, such as the "metallic" compounds Hg 3 NbF 6 and Hg 3 TaF 6 which are both superconductors below 7 K (−266.15 °C; − ...
Decades after the discovery of superconductors in 1911, scientists figured out that materials (usually metalloids or alloys) needed to be close to absolute zero to exhibit these exciting properties.
2 S) at extremely high pressures (around 150 gigapascals) was first predicted and then confirmed to be a high-temperature superconductor with a transition temperature of 80 K. [66] [67] [68] Additionally, in 2019 it was discovered that lanthanum hydride (LaH 10) becomes a superconductor at 250 K under a pressure of 170 gigapascals. [69] [68]
Type-II superconductors are usually made of metal alloys or complex oxide ceramics. All high-temperature superconductors are type-II superconductors. While most elemental superconductors are type-I, niobium, vanadium, and technetium are elemental type-II superconductors. Boron-doped diamond and silicon are also type-II
Breakthrough would mark ‘holy grails of modern physics, unlocking major new developments in energy, transportation, healthcare, and communications’ – but it is a long way from being proven