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首页> 外文期刊>Journal of Applied Physics >Magnetic properties and magnetocaloric effect of (Mn_(1-x)Ni_x)_3Sn_2(x= 0-0.5) compounds
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Magnetic properties and magnetocaloric effect of (Mn_(1-x)Ni_x)_3Sn_2(x= 0-0.5) compounds

机译：（Mn_（1-x）Ni_x）_3Sn_2（x = 0-0.5）化合物的磁性和磁热效应

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摘要

The effects of Ni substitution on the magnetic properties and magnetocaloric effect (MCE) of (Mn_(1-x)Ni_x)_3Sn_2 compounds (x=0-0.5) have been investigated by x-ray diffraction and magnetization measurements. It was found that Ni substitution decreases the crystal cell volume and the magnetic transition temperatures compared with pure Mn_3Sn_2. The MCE for all samples has been calculated from the magnetization data in terms of the isothermal magnetic entropy change ΔS_M. The maximum values of ΔS_M~(max) at the magnetic phase transition temperatures resulting from a change in magnetic field of ΔH=5 T were found to be 28.2 mJ/cm~3 K for Mn_3Sn_2 (T_(C1) ～ 257 K), increasing to 31.2 mJ/cm~3 K for (Mn_(0.9)Ni_(0.1))_3Sn_2 (T_C～ 167 K).
机译：通过X射线衍射和磁化测量研究了Ni取代对（Mn_（1-x）Ni_x）_3Sn_2化合物（x = 0-0.5）的磁性能和磁热效应（MCE）的影响。发现与纯Mn_3Sn_2相比，Ni取代降低了晶胞体积和磁转变温度。已经根据等温磁熵变ΔS_M从磁化数据计算了所有样品的MCE。对于Mn_3Sn_2（T_（C1）〜257 K），发现由磁场变化ΔH= 5 T导致的磁性相变温度下的ΔS_M〜（max）的最大值为28.2 mJ / cm〜3 K， （Mn_（0.9）Ni_（0.1））_ 3Sn_2（T_C〜167 K）增加到31.2 mJ / cm〜3K。

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  • 来源
    《Journal of Applied Physics 》 |2009年第2期| 446-448| 共3页
  • 作者

    R. Zeng; L. Lu; W. X. Li; J. H. Kim; D. Q. Shi; H. K. Liu; S. X. Dou; J. L. Wang; S. J. Campbell; Z. Wang; Y. Li; M. Y. Zhu; C. Q. Feng;

  • 作者单位

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    Institute for Superconducting and Electronic Materials, University of Wollongong, New South Wales 2522, Australia;

    School of Physical, Environmental and Mathematical Sciences, The Australian Defense Force Academy, The University of New South Wales, Canberra Australian Capital Territory 2600, Australia;

    School of Physical, Environmental and Mathematical Sciences, The Australian Defense Force Academy, The University of New South Wales, Canberra Australian Capital Territory 2600, Australia;

    School of Materials Science and Engineering, Shanghai University, 149 Yanchang Road, Shanghai 200072, People's Republic of China;

    School of Materials Science and Engineering, Shanghai University, 149 Yanchang Road, Shanghai 200072, People's Republic of China;

    School of Materials Science and Engineering, Shanghai University, 149 Yanchang Road, Shanghai 200072, People's Republic of China;

    College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, People's Republic of China;

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