High Quality Content by WIKIPEDIA articles! A Type-II superconductor is a superconductor characterised by its gradual transition from the superconducting to the normal state within an increasing magnetic field. Typically they superconduct at higher temperatures and magnetic fields than Type-I superconductors. This allows them to conduct higher currents and makes them useful for strong electromagnets. Type-II superconductors are usually made of metal alloys or complex oxide ceramics, whereas most superconducting pure metals are Type-I superconductors. All high temperature superconductors are Type-II superconductors, and (as of early 2008) comprise mostly complex copper oxide ceramics. While most pure metal or pure element superconductors are Type-I, Niobium, Vanadium, Technetium, Diamond and Silicon are pure element Type-II superconductors. Some metal alloy superconductors also exhibit Type-II behavior (e.g. niobium-titanium, niobium-tin).
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