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Magnetic-field penetration depth in TI2Ba2CuO6+δ in the overdoped regime
THE magnetic field penetration depth λ is a basic parameter of superconductivity, related to ns/m* (superconducting carrier density/effective mass) as λ-2 ∝ ns/m* in the limit where the coherence length ζ is much...
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Magnetic-field penetration depth in K3C60 measured by muon spin relaxation
THE discovery1–3 of superconductivity in C60 doped with the alkali metals potassium and rubidium has introduced a new family of three-dimensional molecular superconductors4. The potassium-doped compound3 K3C60 ha...