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Tunneling spectroscopy in the magnetic superconductor TmNi2B2C

H. Suderow, P. Martinez-Samper, N. Luchier, J. P. Brison, S. Vieira, and P. C. Canfield
Phys. Rev. B 64, 020503(R) – Published 11 June 2001
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Abstract

We present measurements of the tunneling conductance in the borocarbide superconductor TmNi2B2C. The results show a very good agreement with the weak coupling BCS theory, without any lifetime broadening parameter, over the whole sample surface. We detect no particular change of the tunneling spectroscopy below 1.5 K, when both the antiferromagnetic (AF) phase and the superconducting order coexist.

  • Received 8 February 2001

DOI:https://doi.org/10.1103/PhysRevB.64.020503

©2001 American Physical Society

Authors & Affiliations

H. Suderow1, P. Martinez-Samper2, N. Luchier3, J. P. Brison3, S. Vieira2, and P. C. Canfield4

  • 1Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Cientificas, Campus de Cantoblanco, 28049 Madrid, Spain
  • 2Laboratorio de Bajas Temperaturas, Departamento de Fisica de la Materia Condensada, Instituto de Ciencia de Materiales Nicolás Cabrera, Facultad de Ciencias, C-III Universidad Autónoma de Madrid, 28049 Madrid, Spain
  • 3Centre des Recherches sur les Très Basses Temperatures, CNRS, Boîte Postale 166, 38042 Grenoble Cedex 9, France
  • 4Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011

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Vol. 64, Iss. 2 — 1 July 2001

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