Magnetization and specific heat of DyFe 3 (BO 3 ) 4 single crystal

E. A. Popova (), N. Tristan, A. N. Vasiliev, V. L. Temerov, L. N. Bezmaternykh, N. Leps, B. Büchner and R. Klingeler

The European Physical Journal B: Condensed Matter and Complex Systems, 2008, vol. 62, issue 2, 123-128

Abstract: We present thermodynamic and magnetic studies of single crystalline DyFe 3 (BO 3 ) 4 . The data indicate an easy axis antiferromagnetic order below T N ~ 38 K which we attribute to the Fe subsystem. The Dy subsystem remains paramagnetic down to the lowest investigated temperatures of 2 K, but it is polarized by the Fe spins due to a f-d interaction. External magnetic field leads to a spin-flop transition in the iron subsystem as well as to superposed magnetization in the Dy subsystem. The repopulation of two low-lying Kramers doublets in Dy 3+ ions results in well defined Schottky anomalies in specific heat and magnetization. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Keywords: 75.30.-m Intrinsic properties of magnetically ordered materials; 75.40.Cx Static properties (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1140/epjb/e2008-00146-5

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