Local superconducting density of states of ErNi2B2C
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2006-01-20
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American Physical Society
Abstract
We present local tunneling 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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This article is published as Crespo, M., H. Suderow, S. Vieira, S. Bud’ko, and P. C. Canfield. "Local superconducting density of states of ErNi 2 B 2 C." Physical Review Letters 96, no. 2 (2006): 027003.
DOI: 10.1103/PhysRevLett.96.027003.
Copyright 2006 American Physical Society.
Posted with permission.