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Crystal fields and the Kondo properties of CeAl₃

Authors:	AS Edelstein GE Brodale RA Fisher Carey M Lisse Norman E Philips

Institution:	Naval Research Laboratory, Washington, DC 20375, USA;Materials and Molecular Research Division, Lawrence Berkeley Laboratory, University of California, Berkeley, CA 94720, USA

Abstract:	Crystal fields are included in a model calculation of the magnetization of the Kondo compound CeAl₃. Using parameters taken from experiment, the predicted magnetization at T=1.4 and 4.2K for applied magnetic fields H less than 10T is in good agreement with experiment. Using this magnetization, the model also correctly predicts the decrease in the specific heat C as a function of H for 0.35 ?T?0.9K. In particular, it correctly predicts that this decrease is approximately linear in H and that $(?H ?H)_{T}$ is approximately temperature independent.

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