Antiferromagnetic ordering below 1.7 K in PrIr2Ge2

被引：1

作者：

Anand, V. K. ^{[1
]}

Hossain, Z. ^{[2
]}

Ramakrishnan, S. ^{[1
]}

机构：

[1] Tata Inst Fundamental Res, Dept Condensed Matter Phys & Mat Sci, Bombay 400005, Maharashtra, India

[2] Indian Inst Technol, Dept Phys, Kanpur 208016, Uttar Pradesh, India

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 05期

关键词：

Intermetallic compound; Antiferromagnetic ordering; Magnetization; Specific heat; Crystal field effect; MAGNETIC-STRUCTURE; SUPERCONDUCTIVITY; POLYMORPHISM; PRESSURE; CERH2SI2;

D O I：

10.1016/j.jallcom.2010.11.095

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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 lambda-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. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1436 / 1439

页数：4

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