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We undertook investigations in polycrystalline R(x)R'(1-x)Al(2) alloys, inparticular, explored the stoichiometries, Nd(0.8)Gd(0.2)Al(2) andNd(0.8)Tb(0.2)Al(2), to study the magnetic compensation behavior in them in thecontext of contemporary interest. In these admixed rare-earth (RE)intermetallics, the compensation phenomenon is characterized by a crossover ofthe M = 0 axis in the low field thermomagnetic response, and a turnaroundbehavior due to the field-induced reversal in the orientations of the REmoments at high fields. While the characteristic attributes are present inNd(0.8)Gd(0.2)Al(2), a repeated/multiple magnetic compensation behavior standsobserved in Nd(0.8)Tb(0.2)Al(2). The ac susceptibility, the heat capacity andthe transport measurements in the latter compound reveal the onset of twoquasi-antiferromagnetic transitions one after the other on cooling down fromthe high temperature end. The two magnetic transitions involving competitionbetween the contributions from nearly balanced weighted averages of moments ofNd{3+} and Tb{3+} ions generate the curious multiple crossings of the M = 0axis. The results are compared and contrasted with repeated compensationbehavior reported earlier in admixed Nd(0.8)Gd(0.2)Rh(3)B(2) alloy.

Search and identification of repeated magnetic compensation in Nd(1-x)R(x)Al(2) (R = Gd, Tb) series