Publications in Scientific Journals:
A.P. Pikul, D. Kaczorowski, H. Michor, P. Rogl, A. Czopnik, YU. Grin, E. Bauer, G. Hilscher:
"Low-Temperature Specific Heat of Ce-Ni-Ge Compounds and Their Nonmagnetic Analogues";
Acta Physica Polonica B,
Low-Temperature Specific Heat of Ce-Ni-Ge Compounds and Their Nonmagnetic Analogues
A.P. Pikul, D. Kaczorowski, H. Michor, P. Rogl, A. Czopnik, Yu. Grin, E. Bauer, G. Hilscher
The specific heat of CeNiGe3, Ce2Ni3Ge5, Ce3NiGe2 and Ce3Ni2Ge7 and their isostructural analogues with La or Y was studied in the temperature range 2.5--70 K. For all the Ce-based compounds Cp(T) exhibits pronounced \lambda -shaped peaks at the magnetic phase transitions. In the paramagnetic range Kondo and Schottky terms notably contribute to the total specific heat. In the ordered region, Cp(T) is dominated by a spin-wave contribution. The characteristic Kondo and RKKY energy scales in all the compounds are estimated to be of similar magnitude.
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Created from the Publication Database of the Vienna University of Technology.