Lack of magnetic ordering in Ce1−xLaxNi2Ge2

The solid solutions Ce1−xLaxNi2Ge2 ($0 \leq x \leq 1$) were studied by means of physical properties measurements carried out on polycrystalline specimens. The Kondo temperature of the system, estimated from temperature dependence of the magnetic entropy, decreases with increasing the unit cell volum...

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Bibliographic Details
Published in:Physica status solidi. B. Basic research 2010-03, Vol.247 (3), p.691-693
Main Authors: Pikul, A. P., Geibel, C., Oeschler, N., Macovei, M. E., Caroca-Canales, N., Steglich, F.
Format: Article
Language:English
Subjects:
71.10.Hf
71.27.+a
75.20.Hr
75.30.Mb
75.40.−s
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Magnetocaloric effect, magnetic cooling
Physics
Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
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Summary:The solid solutions Ce1−xLaxNi2Ge2 ($0 \leq x \leq 1$) were studied by means of physical properties measurements carried out on polycrystalline specimens. The Kondo temperature of the system, estimated from temperature dependence of the magnetic entropy, decreases with increasing the unit cell volume, as expected. Nevertheless the system does not become magnetically ordered. Instead, the non‐magnetic Fermi‐liquid (FL) regime gets evident before other, single‐ion non‐FL features emerge in the low Ce‐content limit.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.200983066