Frustration induced disordered magnetism in Ba 3 RuTi 2 O 9

T. Dey () and A. Mahajan

The European Physical Journal B: Condensed Matter and Complex Systems, 2013, vol. 86, issue 6, 1-5

Abstract: The title compound Ba 3 RuTi 2 O 9 crystallizes with a hexagonal unit cell. It contains layers of edge shared triangular network of Ru 4+ (S=1) ions. Magnetic susceptibility χ(T) and heat capacity data show no long range magnetic ordering down to 1.8 K. A Curie-Weiss (CW) fitting of χ(T) yields a large antiferromagnetic CW temperature θ CW =−166 K. However, in low field, a splitting of zero field cooled (ZFC) and field cooled (FC) χ(T) is observed below ∼30 K. Our measurements suggest that Ba 3 RuTi 2 O 9 is a highly frustrated system but only a small fraction of the spins in this system undergoes a transition to a frozen magnetic state below ∼ 30 K. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1140/epjb/e2013-40028-1

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