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Journal Article

Yb2Ni2Al: A prototypical Yb-based heavy-fermion system

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Citation

Geibel, C., Klinger, U., Buschinger, B., Weiden, M., Olesch, G., Thomas, F., et al. (1996). Yb2Ni2Al: A prototypical Yb-based heavy-fermion system. Physica B-Condensed Matter, 223-24(1-4), 370-372. doi:10.1016/0921-4526(96)00125-1.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-E7B3-B
Abstract
We have investigated the properties of Yb(2)Ni(2)Al by means of resistivity, susceptibility and specific heat measurements. Our results suggest that it is the first magnetically non-ordered Yb heavy-fermion system with a low characteristic energy and clear coherence effects in the resistivity. A logarithmic temperature dependence of CIT indicates that it is close to the transition to a magnetic ordered ground state. We further found a simple systematic for composition dependence of the Yb-valence in binary and ternary Yb-T-Al compounds (T:Ni, Pd, Pt).