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Influence of Y, Fe and Co substitutions on electronic properties of UNiAl

✍ Scribed by E. Brück; F.R. de Boer; P. Nozar; V. Sechovsky; L. Havela; K.H.J. Buschow; A.V. Andreev

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
244 KB
Volume
163
Category
Article
ISSN
0921-4526

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✦ Synopsis

We have studied magnetic, electrical and specific heat behaviour of (U,_,Y,)NiAl, U(Ni,_,CoI)A1 and U(Ni,_,Fe,)AI pseudoternary compounds derived from the itinerant antiferromagnet UNiAI. Y, Co or Fe substitutions in UNiAl lead to a rapid disappearance of long range magnetic order, however, the strong magnetic uniaxial anisotropy (characteristic for UNiAl) persisls. Anomalies in the specific heat and the enhancement of y values indicate pronounced spin-fluctuation effects.

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