Formation, crystal chemistry and magnetism of compounds RE2TGe6, RE rare earth, T Pd, Pt, Cu, Ag and Au
1995; Elsevier BV; Volume: 227; Issue: 1 Linguagem: Inglês
10.1016/0925-8388(95)01617-1
ISSN1873-4669
AutoresO. Sologub, K. Hiebl, P. Rogl, Ο. I. Bodak,
Tópico(s)Advanced Chemical Physics Studies
ResumoNovel ternary compounds RE2TGe6 (RE Y, La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb; T Pd, Pt, Ag, Au) were synthesized by argon arc melting followed by a heat treatment at 600 or 800 °C for 150 h. From X-ray powder analysis all compounds were found to be isotypic with structure type Ce2CuGe6. Magnetic susceptibilities were measured for RE2CuGe6 (RE Ce, Pr, Nd, Sm) and Ce2PdGe6. All compounds exhibit antiferromagnetic ordering below 20 K. The paramagnetic effective moments agree with the values for tripositive RE ion moments. The Sm containing sample reveals typical Van Vleck type paramagnetism above the Néel point.
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