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arXiv · cond-mat/0509339

Local superconducting density of states of ErNi2B2C

M. Crespo·H. Suderow·S. Vieira·S. Bud'ko·P. C. Canfield
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Abstract

We present local tunnelling microscopy and spectroscopy measurements at low temperatures in single crystalline samples of the magnetic superconductor ErNi2B2C. The electronic local density of states shows a striking departure from s-wave BCS theory with a finite value at the Fermi level, which amounts to half of the normal phase density of states.

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M. Crespo, H. Suderow, S. Vieira, S. Bud'ko, P. C. Canfield. 2005-09-13. Local superconducting density of states of ErNi2B2C. https://doi.org/10.1103/physrevlett.96.027003

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