Antiferromagnetic ordering below 1.7 K in PrIr2Ge2 |
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Authors: | V.K. Anand Z. HossainS. Ramakrishnan |
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Affiliation: | a Department of Condensed Matter Physics and Materials Science, Tata Institute of Fundamental Research, Mumbai 400005, India b Department of Physics, Indian Institute of Technology, Kanpur 208016, India |
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Abstract: | We present our investigations on magnetic and transport properties of polycrystalline PrIr2Ge2 which forms in CaBe2Ge2-type primitive tetragonal structure (space group P4/nmm). The ac magnetic susceptibility data exhibit two well pronounced peaks at 2.08 K and 0.76 K due to the onset of magnetic order. The specific heat also exhibits a sharp λ-type anomaly at 1.7 K confirming the onset of bulk antiferromagnetic order. The temperature dependence of magnetic part of entropy suggests a quasi-triplet ground state in this compound. The onset of magnetic order is also confirmed by the electrical resistivity data. |
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Keywords: | 75.50.Ee 65.40.Ba 71.70.Ch |
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