Non-magnetic and magnetic impurity effects on superconductivity in the ternary iron-suicide Lu2Fe3Si5

作者：Watanabe Tadataka^*; Okuyama Hiroaki; Takase Kouichi; Takano Yoshiki

来源：Physica C-Superconductivity and Its Applications, 2010, 470: S768-S769.

DOI：10.1016/j.physc.2009.10.013

• Lu2Fe3Si5
• Superconducting gap
• Impurity effect
• Pair breaking

We studied effect of non-magnetic and magnetic impurities on superconductivity in Lu2Fe3Si5 by investigating superconducting properties of (Lu1+xRx)(2)Fe3Si5 (R = Sc, Y, and Dy). The rapid depression of T-c by non-magnetic impurities reveals strong pair breaking by disorder, providing compelling evidence for the sign reversal of the superconducting order parameter in Lu2Fe3Si5.

• 出版日期2010-12