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Magnetic phase separation in EuB6 detected by muon spin rotation

M. L. Brooks, T. Lancaster, S. J. Blundell, W. Hayes, F. L. Pratt, and Z. Fisk
Phys. Rev. B 70, 020401(R) – Published 13 July 2004

Abstract

We report results of the first muon-spin rotation measurements performed on the low carrier density ferromagnet EuB6. The ferromagnetic state is reached via two magnetic transitions at Tm=15.5K and Tc=12.6K. Two distinct components are resolved in the muon data, one oscillatory and one non-oscillatory, which arise from different types of magnetic environment, and we have followed the temperature dependence of these components in detail. These results provide evidence for magnetic phase separation and can be interpreted in terms of the gradual coalescing of magnetic polarons.

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  • Received 24 March 2004

DOI:https://doi.org/10.1103/PhysRevB.70.020401

©2004 American Physical Society

Authors & Affiliations

M. L. Brooks1, T. Lancaster1, S. J. Blundell1, W. Hayes1, F. L. Pratt2, and Z. Fisk3

  • 1Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
  • 2ISIS Muon Facility, ISIS, Chilton, Oxon OX11 0QX, United Kingdom
  • 3Department of Physics, University of California, Davis, Davis, California 95616, USA

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Issue

Vol. 70, Iss. 2 — 1 July 2004

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