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New RRh5Ge3 compounds of the new SmRh5Ge3 structure type and their magnetic properties (R=Sm, Gd, Tb) |
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| Authors: | A. V. Morozkin A. E. Bogdanov R. Welter |
| Affiliation: | a Department of Chemistry, Moscow State University, Leninskie Gory, V-234, Moscow, GSP-3, 119899, Russia b Physics Department, Moscow State University, Leninskie Gory, V-234, Moscow, GSP-3, 119899, Russia c Laboratoire DECMET, UMR 7513, Institut Le Bel, Université Louis Pasteur Strasbourg I, Strasbourg, France |
| Abstract: | Powder X-ray diffraction results and macroscopic magnetic properties of new ternary RRh5Ge3 compounds (R=Sm, Gd, Tb) are reported. The compounds SmRh5Ge3 (a=2.2744(4) nm, c=0.3888(1) nm), GdRh5Ge3 (a=2.2711(5) nm, c=0.3872(1) nm) and TbRh5Ge3 (a=2.2628(7) nm, c=0.3851(1) nm) crystallize in the hexagonal SmRh5Ge3-type structure (space group P63/m; No. 176). The GdRh5Ge3 and TbRh5Ge3 compounds are Curie–Weiss paramagnets down to 5 K. |
| Keywords: | Rare earths compounds Transition metal compounds Crystal structure X-ray diffraction Magnetic measurements |
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