Magnetic transitions in the 1D chain compounds NdPd5Ge3and NdPt5Ge3

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We present the structural and initial magnetic characterization of the previously unreported materials NdPd5Ge3 and NdPd5Ge3. These materials, with one-dimensional Nd chains, crystallize in the orthorhombic YNi5Si3-type structure in space group Pnma. Magnetic ordering is observed for both compounds at ∼2.2 K for NdPd5Ge3 and ∼3.0 K for NdPt5Ge3. A magnetic-field-induced transition is clearly observed for NdPd5Ge3 below 2 K, at an applied magnetic field of around 1.6 T. The heat capacity data reveals that essentially all the available magnetic entropy is released at the magnetic ordering transition for NdPd5Ge3 but that only 29% is seen for NdPt5Ge3 at temperatures down to 1.5 K, the data implying that a second magnetic transition can be expected at lower temperatures.

Original languageEnglish (US)
Article number435801
JournalJournal of Physics Condensed Matter
Issue number43
StatePublished - Oct 2021

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • General Materials Science


  • field-induced magnetic transition
  • one-Dimensional Nd chain
  • rare earth magnetic ordering


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