STRUCTURAL AND MAGNETIC PROPERTIES OF THE U3M4Ge13 (M = Ru, Os, Rh, Ir)TERNARY GERMANIDES

B. Lloret; B. Chevalier; P. Gravereau; B. Darriet; J. Etourneau

doi:doi:10.1051/jphyscol:19888221

Issue		J. Phys. Colloques Volume 49, Number C8, Décembre 1988 Proceedings of the International Conference on Magnetism


Page(s)		C8-487 - C8-488
DOI		https://doi.org/10.1051/jphyscol:19888221

Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-487-C8-488
DOI: 10.1051/jphyscol:19888221

STRUCTURAL AND MAGNETIC PROPERTIES OF THE U₃M₄Ge₁₃ (M = Ru, Os, Rh, Ir)TERNARY GERMANIDES

B. Lloret, B. Chevalier, P. Gravereau, B. Darriet et J. Etourneau

Laboratoire de Chimie du Solide du CNRS, 351 cours de la Libération, 33405 Talence Cedex, France

Abstract
U₃M₄Ge₁₃ and U₃Os₄Ge₁₃ germanides crystallize in a superstructure of the cubic Yb₃Rh₄Sn₁₃-type structure and exhibit no magnetic order above 4.2 K. On the contrary, U₃Ir₄Ge₁₃ orders ferromagnetically near Tc ≈ 15-17 K whereas U₃Rh₄Ge₁₃ orders antiferromagnetically at 22 K.