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Reentrant superconductivity

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What is REENTRANT SUPERCONDUCTIVITY? What does REENTRANT SUPERCONDUCTIVITY mean?

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What is SUPERCONDUCTIVITY? What does SUPERCONDUCTIVITY mean? SUPERCONDUCTIVITY meaning

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'Lazarus superconductivity' observed in rediscovered material

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What is FERROMAGNETIC SUPERCONDUCTOR? What does FERROMAGNETIC SUPERCONDUCTOR mean?

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What is PERFECT CONDUCTOR? What does PERFECT CONDUCTOR mean? PERFECT CONDUCTOR meaning

Reentrant superconductivity is an effect observed in systems that lie close to the boundary between ferromagnetic and superconducting. By its very nature (normal) superconductivity cannot exist together with ferromagnetism. Reentrance is when while changing a continuous parameter, superconductivity is first observed, then destroyed by the ferromagnetic order, and later reappears. An example is the changing of the thickness of the ferromagnetic layer in a bilayer of a superconductor and a ferromagnet. At a certain thickness superconductivity is destroyed by the Andreev reflected electrons in the ferromagnet, but if the thickness increases, this effect disappears again.
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