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Magnetic properites of the Heavy Fermion Antiferromagnets YbNiAl and YbPtAl

J. Diehl, H. Davideit, S. Klimm, S. Horn, U. Tegel, C. Geibel, F. Steglich

cond-matarXiv:cond-mat/9409115

Abstract

Measurements of electrical resistivity and Hall effect as a function of magnetic field on the Heavy Fermion Systems YbNiAl and YbPtAl are presented. Both compounds order antiferro magnetically and show metamagnetic behavior in a magnetic field. Scaling behavior of the magnetoresistance above TN suggests that the paramagnetic regime for YbNiAl can be described in terms of a single ion Kondo effect.

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