Matches in SemOpenAlex for { <https://semopenalex.org/work/W2065493984> ?p ?o ?g. }
- W2065493984 abstract "We report high-sensitivity microwave measurements of the in-plane penetration depth ${ensuremath{lambda}}_{ab}$ and quasiparticle scattering rate $1/ensuremath{tau}$ in several single crystals of the hole-doped Fe-based superconductor ${mathrm{Ba}}_{1ensuremath{-}x}{mathrm{K}}_{x}{mathrm{Fe}}_{2}{mathrm{As}}_{2}$ ($xensuremath{approx}0.55$). While a power-law temperature dependence of ${ensuremath{lambda}}_{ab}$ with a power $ensuremath{sim}2$ is found in crystals with large $1/ensuremath{tau}$, we observe an exponential temperature dependence of the superfluid density consistent with the existence of fully opened two gaps in the cleanest crystal we studied. The difference may be a consequence of different levels of disorder inherent in the crystals. We also find a linear relation between the low-temperature scattering rate and the density of quasiparticles, which shows a clear contrast to the case of $d$-wave cuprate superconductors with nodes in the gap. These results demonstrate intrinsically nodeless order parameters in the Fe arsenides." @default.
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- W2065493984 date "2009-05-19" @default.
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- W2065493984 title "Microwave Surface-Impedance Measurements of the Magnetic Penetration Depth in Single Crystal<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msub><mml:mi>Ba</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi mathvariant=bold>K</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mi>Fe</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>As</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>Superconductors…" @default.
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- W2065493984 doi "https://doi.org/10.1103/physrevlett.102.207001" @default.
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