Muon-spin-spectroscopy study of the penetration depth ofFeTe0.5Se0.5
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چکیده
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Muon-spin rotation measurements of the magnetic penetration depth in the iron-based superconductor Ba1xRbxFe2As2
Measurements of the magnetic penetration depth � in the Fe-based superconductor Ba1−xRbxFe2As2 (x=0.3, 0.35, 0.4) were carried out using the muon-spin rotation (�SR) technique. The temperature dependence of � is well described by a two-gap s + s-wave scenario with a small gap Δ1 � 1–3 meV and a large gap Δ2�7–9 meV. By combining the present data with those previously obtained for RbFe2As2 a dec...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2010
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.81.092510