Nodeless superconductivity in the infinite-layer electron-doped Sr_0.9La_0.1CuO_2 cuprate superconductor

Abstract

We report on measurements of the in-plane magnetic penetration depth λ_{ab} in the infinite-layer electron-doped high-temperature cuprate superconductor Sr_0.9La_0.1CuO_2 by means of muon-spin rotation. The observed temperature and magnetic field dependences of λ_{ab} are consistent with the presence of a substantial s-wave component in the superconducting order parameter in good agreement with the results of tunneling, specific heat, and small-angle neutron scattering experiments.

6 pages, 5 figures

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• Classifying superconductivity in an infinite-layer nickelate Nd${}_{0.8}$Sr${}_{0.2}$NiO${}_2$
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• Phase-sensitive evidence for dx2-y2-pairing symmetry in the parent-structure high-Tc cuprate superconductor Sr1-xLaxCuO2
• Structural phases of elemental Gallium: universal relations in type-I superconductors
• Penetration depth of electron-doped-infinite-layer Sr${}_{0.88}$La${}_{0.12}$CuO${}_{2+x}$ thin films
• London penetration depth in the tight binding approximation: Orthorhombic distortion and oxygen isotope effects in cuprates
• Topological phase transition from nodal to nodeless d-wave superconductivity in electron-doped cuprate superconductors
• Comment on ``Muon-spin rotation studies of the superconducting properties of Mo_3Sb_7'', Phys.Rev.B 78, 172505 (2008)
• Zero-bias anomalies on Sr${}_{0.88}$La${}_{0.12}$CuO${}_2$ thin films
• Enhancement of the superconducting transition temperature due to multiband effect in the topological nodal-line semimetal Pb${}_{1-x}$Sn${}_x$TaSe${}_2$