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

A. Maisuradze; A. Shengelaya; D. Di Castro; D.J. Jang; H. Keller; I.M. Savi\'c; M.S. Park; R. Khasanov; S.-I. Lee; S. Weyeneth

arxiv: 0803.3200 · v1 · submitted 2008-03-21 · ❄️ cond-mat.supr-con

Nodeless superconductivity in the infinite-layer electron-doped Sr₀.9La₀.1CuO₂ cuprate superconductor

R. Khasanov , A. Shengelaya , A. Maisuradze , D. Di Castro , I.M. Savi\'c , S. Weyeneth , M.S. Park , D.J. Jang

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S.-I. Lee H. Keller

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classification ❄️ cond-mat.supr-con

keywords cuprateelectron-dopedinfinite-layerlambdamagneticsuperconductoragreementcomponent

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We report on measurements of the in-plane magnetic penetration depth \lambda_{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 \lambda_{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.

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Nodeless superconductivity in the infinite-layer electron-doped Sr₀.9La₀.1CuO₂ cuprate superconductor

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