中国物理B ›› 2012, Vol. 21 ›› Issue (4): 47401-047401.doi: 10.1088/1674-1056/21/4/047401

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贺兵1 2,董成1,杨立红1,葛林慧1,慕利斌1,陈晓超1   

  • 收稿日期:2011-11-27 修回日期:2012-01-06 出版日期:2012-02-29 发布日期:2012-02-29
  • 通讯作者: 贺兵,hebing@ssc.iphy.ac.cn E-mail:hebing@ssc.iphy.ac.cn

Preparation and the physical properties of antiperovskite-type compounds Cd1-xInxNNi3 (0≤x≤0.2) and Cd1-yCuyNNi3 (0≤y≤0.2)

He Bing(贺兵)a)b)†, Dong Cheng(董成)a), Yang Li-Hong(杨立红)a), Ge Lin-Hui(葛林慧)a), Mu Li-Bin(慕利斌)a), Chen Xiao-Chao(陈晓超)a)   

  1. a. National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
    b. Luzhou Medical College, Luzhou 646000, China
  • Received:2011-11-27 Revised:2012-01-06 Online:2012-02-29 Published:2012-02-29
  • Contact: He Bing,hebing@ssc.iphy.ac.cn E-mail:hebing@ssc.iphy.ac.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 20871119), the National Basic Research Program of China (973 Program) (Grant Nos. 2011CBA00112 and 2011CB808202), and the Natural Science Foundation of Luzhou Medical College.

Abstract: Two series of Cd1-xInxNNi3 (0≤x≤0.2) and Cd1-yCuyNNi3 (0≤y≤0.2) samples were prepared from CdO, In2O3, CuO, and nickel powders under NH3 atmosphere at 773 K. The structural and physical properties were investigated by means of X-ray powder diffraction temperature-dependent resistivity and magnetic measurements. X-ray powder diffraction results showed that the Cd1-xInxNNi3 and Cd1-yCuyNNi3 compounds have a typical antiperovskite structure, and the CdNNi3, Cd0.9In0.1NNi3, and Cd0.9Cu0.1NNi3 compounds show metallic temperature-dependent resistivity and exhibit a Fermi liquid behavior at low temperature. In contrast to the paramagnetism previously reported, the CdNNi3 sample exhibits very soft and weak ferromagnetism, and no superconductivity was found in the Cd1-xInxNNi3 and Cd1-yCuyNNi3 samples down to 2 K. Each sample exhibited very soft and weak ferromagnetism, and the temperature dependence of the magnetization of the Cd1-xInxNNi3 and Cd1-yCuyNNi3 samples can be well fitted to the combination of a Bloch term and a Curie-Weiss term.

Key words: nitride, antiperovskite, weak ferromagnetism, Fermi liquid

中图分类号:  (Ternary, quaternary, and multinary compounds)

  • 74.70.Dd
75.50.Gg (Ferrimagnetics)