Magnetotransport in Yb-based heavy fermion systems

Diehl, J.; Klimm, S.; Davideit, H.; Baur, E.; Horn, S.; Klinger, U.; Geibel, C.; Steglich, F.; Bauer, E.; Kirchmayr, H.

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Magnetotransport in Yb-based heavy fermion systems

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Diehl, J., Klimm, S., Davideit, H., Baur, E., Horn, S., Klinger, U., et al. (1996). Magnetotransport in Yb-based heavy fermion systems. Proceedings of Physical Phenomena at High Magnetic Fields - II, 185-190.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-E62D-5

Abstract

We have performed magnetoresistance and Hall effect measurements on ternary Yb-based heavy fermion compounds: YbCu 4X (X=Ag, Au and Pd) and YbNiAl (gamma=350 mJ/molK 2, T N=2.3 K). For YbCu 4Ag the magnetoresistance is positive and shows a quadratic field dependence but is negative and s-shaped for YbCu 4Au and YbCu 4Pd. Measurements on YbNiAl under external pressure up to 2.0 GPa exhibit a stable magnetic ground state for this compound: The magnetoresistance depends weakly on pressure and we observe only a slight increase of T N with increasing pressure.