Low temperature properties of CeTAl{sub 3} (T = Au, Cu, Pt) and CeAuGa{sub 3}
Journal Article
·
· Journal of Low Temperature Physics
- Univ. Karlsruhe (Germany). Physikalisches Inst.
Measurements of the magnetization, specific heat, and electrical resistivity on CeTAl{sub 3} (T = Au, Cu, Pt) and CeAuGa{sub 3} polycrystals are reported. For all alloys, magnetic order is found. In CeTAl{sub 3} the antiferromagnetic ordering temperature T{sub N} increases from 1.5 K (T = Au) to 2.9 K (T = Cu) while spin-glass order is found at 0.8 K for T = Pt. This tendency resembles the nonmonotonic dependence of the ordering temperature on the hydrization between Ce moments and ligand atoms in terms of the Doniach picture. CeAuGa{sub 3} (T{sub N} = 2.4 K) behaves similarly to CeAuAl{sub 3}, thus underscoring the dominant role of transition metal ligands in ternary Ce compounds.
- OSTI ID:
- 343680
- Journal Information:
- Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 1-2 Vol. 115; ISSN 0022-2291; ISSN JLTPAC
- Country of Publication:
- United States
- Language:
- English
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