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Magnetic ordering and low-temperature thermodynamic properties of ErFe2Ge2 |
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| Authors: | A Szytu?a D Kaczorowski B Penc A Hoser |
| Institution: | a M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland b Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wroc?aw, Poland c Department of Mathematics and Natural Science, J. D?ugosz University Cz?stochowa, Al. Armii Krajowej 13/15, 42-200 Cz?stochowa, Poland d BENSC, Helmholtz-Zentrum Berlin, Glienicker Str. 100, 14-109 Berlin, Germany |
| Abstract: | Polycrystalline sample of ErFe2Ge2 was investigated by means of magnetic susceptibility, heat capacity and electrical resistivity measurements, as well as by powder neutron diffraction. All these experiments yielded an evidence of magnetic ordering setting at about 3 K. The low-temperature neutron data revealed the formation of a sine-modulated commensurate antiferromagnetic structure characterized by the propagation vector k=(0, 0,  ). The erbium magnetic moment is aligned parallel to the crystallographic a-axis. At T=1.55 K it is equal to 7.06(5) μB. |
| Keywords: | Magnetically ordered material Magnetic susceptibility Specific heat Electrical resistivity Neutron diffraction |
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