In Situ Local Imaging of Ferromagnetism and Superconductivity in RbEuFe4As4
Huiyuan Man,
Yusuke Iguchi,
Jin-Ke Bao
et al.
Abstract:The coexistence of superconductivity and ferromagnetism is an intrinsically interesting research focus in condensed matter physics, but the study is limited by low superconducting (T c ) and magnetic (T m ) transition temperatures in related materials. Here, we used a scanning superconducting quantum interference device to image the in situ diamagnetic and ferromagnetic responses of RbEuFe 4 As 4 with high T c and T m . We observed significant suppression of the superfluid density in the vicinity of the magnet… Show more
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