SANGEETHA , Nediadath S.

We have investigated the formation and stability of the binary rare-earth phases, previously reported in the literature as ''RPd2''. Although these phases apparently showed a simple stoichiometry, their structure was not that of a Laves phase. After more than half of a century their crystal structure and true stoichiometry have been finally...

ABSTRACT: The phases reported in the literature as "R2Pd3" (R = rare earth element) have been reinvestigated. The exact stoichiometric composition of this series of compounds, which form for R = Sc, Y, and from Gd to Lu, including Yb, was found to be R3Pd5. All of them crystallize in the orthorhombic Pu3Pd5 structure type (oS32-Cmcm). The...