Optical conductivity of CeMIn5 (M=Co, Rh, Ir)

F. P. Mena, D. van der Marel, and J. L. Sarrao
Phys. Rev. B 72, 045119 – Published 14 July 2005

Abstract

The optical properties of the heavy fermion family CeMIn5 (M=Co, Rh, Ir) have been determined in the photon energy range from 2 meV to 4.5 eV using the combination of near normal incidence reflectivity (2 meV–0.8 eV) and ellipsometry (0.8–4.5 eV). In all compounds signatures of the formation of a coherent state are found. However, as a result of the competition with antiferromagnetism, the energy region where the coherent state occurs is much lower in the compound that orders magnetically.

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  • Received 12 January 2005

DOI:https://doi.org/10.1103/PhysRevB.72.045119

©2005 American Physical Society

Authors & Affiliations

F. P. Mena

  • Material Science Center, University of Groningen, 9747 AG Groningen, The Netherlands

D. van der Marel

  • Département de Physique de la Matière Condensée, Université de Genève, quai Ernest-Ansermet CH - 1211 Genève, Switzerland

J. L. Sarrao

  • Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

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Issue

Vol. 72, Iss. 4 — 15 July 2005

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