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http://publications.jrc.ec.europa.eu/repository/handle/JRC37987| Title: | A New Family of Heavy-fermion Compounds - U4TGa12 (T = Fe, Co, Rh and Pd) |
| Authors: | JARDIN Regis; COLINEAU ERIC; GRIVEAU JEAN-CHRISTOPHE; BOULET Pascal; WASTIN FRANCK; REBIZANT JEAN |
| Citation: | JOURNAL OF ALLOYS AND COMPOUNDS vol. 432 p. 39-44 |
| Publisher: | ELSEVIER SCIENCE SA |
| Publication Year: | 2007 |
| JRC N°: | JRC37987 |
| URI: | http://publications.jrc.ec.europa.eu/repository/handle/JRC37987 |
| Type: | Articles in periodicals and books |
| Abstract: | U4TGa12 (T = Fe, Co, Rh and Pd) compounds represent a new family of isostructural heavy-fermion materials. They crystallize in the cubic structure typeY4PdGa12 (Im 3m) which consists of the doubling of the UGa3 (AuCu3-type, Pm 3m) elementary cell with a partial ordered occupancy (1/4) of the gallium octahedra by the transition metal atoms. Their magnetic and electronic properties (resistivity, magnetization and specific heat) have been investigated. All compounds display a moderately enhanced value of the Sommerfeld coefficient γ (80–140 mJ/molUK2) whereas only U4PdGa12 shows the occurrence of an antiferromagnetic order below TN =43K. |
| JRC Directorate: | Nuclear Safety and Security |
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