Temperature dependence of phase separation and magnetic anisotropy by electron spin resonance in Pr 0.6 Ca 0.4 Mn 0.9 Ru 0.1 O 3

C. Autret-Lambert (), M. Gervais, M. Zaghrioui, S. Roger, F. Gervais, N. Raimboux and P. Simon

The European Physical Journal B: Condensed Matter and Complex Systems, 2005, vol. 47, issue 2, 207-211

Abstract: Electron spin resonance (ESR) measurements have been performed on polycrystalline samples of Pr 0.6 Ca 0.4 Mn 1-x Ru x O 3 (x =0, 0.1). The substitution of Ru in the Mn-site strengthens ferromagnetic interactions due to the double exchange between the Mn 3+ and Mn 4+ species and super-exchange between the Ru 5+ and Mn 3+ species. The temperature dependence of the ESR spectra indicates development of magnetic phase separation in Pr 0.6 Ca 0.4 Mn 0.9 Ru 0.1 O 3 in contrast with the un-doped sample. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2005

Date: 2005
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DOI: 10.1140/epjb/e2005-00316-y

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