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Electronic structure and magnetism of RPdIn compounds (R=La, Ce, Pr, Nd) |
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| Authors: | ? Gondek A Szytu?a K Nenkov |
| Institution: | a Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland b M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland c W. Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wroc?aw, Poland d Leibnitz-Institute for Solid State and Materials Research, P.O. Box 270116, D-01 171 Dresden, Germany e International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-529 Wroc?aw, Poland |
| Abstract: | RPdIn (R = La-Nd) compounds were studied by means of magnetic susceptibility, specific heat and photoelectron spectroscopy measurements. The results prove that CePdIn is an antiferromagnetic Kondo lattice with TN below 1.7 K. The Pr-based indide remains paramagnetic down to 1.7 K, and the lack of any magnetic ordering may be due to the presence of a singlet as the crystalline electric field ground state or/and strong hybridization between Pr 4f states and Pd 4d states. In turn, NdPdIn exhibits ferromagnetism below about 26 K. In contrast to CePdIn, for the Pr- and Nd-based compounds any significant enhancement of the electronic specific heat coefficient was observed. |
| Keywords: | 71 20 Eh 75 30 Cr 75 30 Mb 75 40 Cx 79 60 -i |
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