Abstract
We present the results of ac and dc magnetic susceptibility and isothermal magnetization measurements (T = 2–300 K) on the single crystals of a metallic kagome lattice, Tb3Ru4Al12, reported recently to undergo reentrant magnetism with the onset of long range antiferromagnetic order below (TN =) 22 K. The magnetization data obtained on the crystal with the c-axis orientation along magnetic-field reveal spin-glass-like characteristics near 17 K (below TN). However, for the orientation along basal plane, such glassy anomalies are not observable above 2 K. In this respect, this compound behaves like an ‘anisotropic’ re-entrant spin-glass. Possible implications of this finding to the field of 'geometrically frustrated magnetism' are considered.
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