Observation of Bosonic Resonances in GdO(1-x)F(x)FeAs by Intrinsic Multiple Andreev Reflection Effect Spectroscopyстатья
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Дата последнего поиска статьи во внешних источниках: 21 августа 2017 г.
Аннотация:The current–voltage characteristics and dynamic conductance spectra of Andreev arrays in nearly optimal GdO(1-x)F(x)FeAs superconductors with the critical temperature Tc = 46–50 K have been studied. A reproducible fine structure that accompanies large gap features and caused by boson emission during the process of multiple Andreev reflections has been observed. At T = 4.2 K, the bosonic mode energy ε_0 = (12 ± 2) meV has been obtained.