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| Home > Publications database > Magnetic structures of non-cerium analogues of heavy-fermion Ce$_2$RhIn$_8$: The case of Nd$_2$RhIn$_8$, Dy$_2$RhIn$_8$, and Er$_2$RhIn$_8$ |
| Home > Publications database > Magnetic structures of non-cerium analogues of heavy-fermion Ce$_2$RhIn$_8$: The case of Nd$_2$RhIn$_8$, Dy$_2$RhIn$_8$, and Er$_2$RhIn$_8$ |
| Journal Article | FZJ-2015-00213 |
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2014
APS
College Park, Md.
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Please use a persistent id in citations: http://hdl.handle.net/2128/8388 doi:10.1103/PhysRevB.89.184409
Abstract: $R_2$RhIn$_8$ compounds (space group P4/mmm, R is a rare-earth element) belong to a large group of structurally related tetragonal materials which involves several heavy-fermion superconductors based on Ce. We have succeeded in growing single crystals of compounds with Nd, Dy, and Er, and following our previous bulk measurements, we performed neutron-diffraction studies to determine their magnetic structures. The Laue diffraction experiment showed that the antiferromagnetic order below the Néel temperature is in all three compounds characterized by the propagation vector k=(1/2,1/2,1/2) . The amplitude and direction of the magnetic moments, as well as the invariance symmetry of the magnetic structure, were determined by subsequent experiments using two- and four-circle diffractometers. The critical exponents were determined from the temperature dependence of the intensities below $T_N$.
Keyword(s): Magnetic Materials (1st) ; Key Technologies (1st) ; Fundamental Science (1st) ; Magnetism (2nd) ; Condensed Matter Physics (2nd)
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