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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.
However, currently known high-temperature superconductors are brittle ceramics that are expensive to manufacture and not easily formed into wires or other useful shapes. [4] Therefore, the applications for HTS have been where it has some other intrinsic advantage, e.g. in: low thermal loss current leads for LTS devices (low thermal conductivity),
Low temperature superconductors refer to materials with a critical temperature below 30 K, and are cooled mainly by liquid helium (T c > 4.2 K). One exception to this rule is the iron pnictide group of superconductors which display behaviour and properties typical of high-temperature superconductors, yet some of the group have critical ...
In the past, experimental AC synchronous superconducting machines were made with rotors using low-temperature metal superconductors that exhibit superconductivity when cooled with liquid helium. These worked, however the high cost of liquid helium cooling made them too expensive for most applications.
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; − ...
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
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A superconductor is a substance that exhibits superconductivity, having no electrical resistivity, at sufficiently low temperatures. Subcategories This category has only the following subcategory.