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Phase-Sensitive measurements on the corner junction of iron-based superconductor BaFe1.8Co0.2As2
classification
❄️ cond-mat.supr-con
cond-mat.str-el
keywords
superconductorbafe1cornerfaceiron-basedjunctionphase-sensitivecrystal
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We have made a phase-sensitive measurement on the corner junction of the iron-based superconductor BaFe1.8Co0.2As2, and observed the typical Fraunhofer-like diffraction pattern. The result suggests that there is no phase shift between the a-c face and b-c face of a crystal, which indicates that the superconducting wavefunction of the iron based superconductor is different from that of a cuprate superconductor.
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