Magnetic ordering of Dy3+ ions in RbDy(WO4)2 single crystal

M. T. Borowiec, V. P. Dyakonov, A. Jȩdrzejczak, V. I. Markovich, A. A. Pavlyuk, H. Szymczak, E. E. Zubov, M. Załeski

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24 Scopus citations


The specific heat C(T) of the monoclinic RbDy(WO4)2 crystal has been studied at very low temperatures 0.2 ≤ T ≤ 1.9 K and in magnetic fields 0 ≤ H ≤ 0.38 T. The Neel temperature was shown to be equal to TN = 0.818 ± 0.005 K. The experimental value of the effective exchange parameter was obtained to be equal to J/k = -0.798 K. The C(T) dependence below Neel temperature (0.5 TN < T < 0.99TN) is well described by 2D Ising model, whereas in the temperature region close above TN (1.01TN < T < 2TN) it can be described by neither 2D, nor 3D Ising model. The experimental and theoretical H-TN diagrams for field H ∥ a are in a reasonable agreement for simple quadratic lattice.

Original languageEnglish
Pages (from-to)1003-1011
Number of pages9
JournalJournal of Low Temperature Physics
Issue number5-6
StatePublished - 1 Jan 1998
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science (all)
  • Condensed Matter Physics


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