Calorimetric study of RMn2Ge2 compounds (R = La, Gd, Tb and Dy)

Hirofumi Wada, H. Yamaguchi, M. Shiga

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Abstract

The specific heat has been measured for the ternary compounds, RMn2Ge2 (R = Gd, Tb and Dy), which show a ferrimagnetic to antiferromagnetic transition at low temperature. The results were analyzed in terms of the molecular field model including the crystal field effects. It was found that overall features in the magnetic entropy versus temperature curves are well explained by the molecular field model for the present compounds. The origin of various magnetic phase transitions is discussed from the thermodynamical point of view.

Original languageEnglish
Pages (from-to)165-173
Number of pages9
JournalJournal of Magnetism and Magnetic Materials
Volume152
Issue number1-2
DOIs
Publication statusPublished - Jan 1 1996
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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