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Crystal structure and magnetic properties of UFe5Ga7 |
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| Authors: | M.S. Henriques,M.M. Cruz,H. Noë l,V.H. Tran |
| Affiliation: | a Dep. Química, Instituto Tecnológico e Nuclear/CFMC-UL, Estrada Nacional 10, P-2686-953-Sacavém, Portugal b Dep. Física, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Ed. C8 Lisboa, Portugal c CFMC-Universidade de Lisboa, Campo Grande, Ed. C8 Lisboa, Portugal d Sciences Chimiques de Rennes, Laboratoire de Chimie du Solide et Matériaux, UMR CNRS 6226, Université de Rennes 1, Rennes, France e Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-950 Wroclaw, Poland |
| Abstract: | The new ternary compound UFe5Ga7 was prepared by an argon arc-melting followed by annealing. This intermetallic compound belongs to the series UFexGa12−x and crystallizes in a structure related with the ThMn12-type, with a = 8.6309 Å and c = 5.0524 Å. EDS elemental analysis yielded the phase composition UFe4.9(2)Ga6.8(1), which is very close to the nominal composition. Dc magnetization measurements revealed ferromagnetic type of magnetic ordering in UFe5Ga7. The Curie temperature of ∼439 K was estimated by the temperature dependence of magnetization at a low magnetic field of 0.1 T. |
| Keywords: | 61.66.Dk 75.50Bb 75.50Ww |
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