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首页> 外文期刊>Journal of Crystal Growth >Crystal growth and physical properties of Ln_2MGa_(12) (Ln=Pr, Nd, and Sm; M = Ni, Cu)
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Crystal growth and physical properties of Ln_2MGa_(12) (Ln=Pr, Nd, and Sm; M = Ni, Cu)

机译：Ln_2MGa_（12）的晶体生长和物理性质（Ln = Pr，Nd和Sm； M = Ni，Cu）

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摘要

Single crystals of the Ln_2MGa_(12) (Ln = Pr, Nd, and Sm; M = Ni, Cu) family of compounds have been synthesized using Ga flux and characterized by single crystal X-ray diffraction. These phases are isostructural to Sm_2NiGa_(12) and crystallize in the tetragonal P4bm (no. 125, origin choice 2) space group, with Z=2 and lattice parameters a～6.oA and c～15.3A. These compounds order antiferro-magnetically, and metallic behavior is observed in temperature ranges above the ordering temperature for each compound. Sm_2CuGa_(12) shows large positive magnetoresistance ～130% in field up to 9T.
机译：使用Ga助熔剂合成了Ln_2MGa_（12）（Ln = Pr，Nd和Sm； M = Ni，Cu）族化合物的单晶，并通过单晶X射线衍射进行了表征。这些相与Sm_2NiGa_（12）同构，并在四边形P4 / nbm（编号125，起点选择2）空间群中结晶，Z = 2，晶格参数为a〜6.oA和c〜15.3A。这些化合物是反铁磁性的，在高于每种化合物订购温度的温度范围内观察到金属行为。 Sm_2CuGa_（12）在9T以下的磁场中显示出较大的正磁阻〜130％。

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  • 来源
    《Journal of Crystal Growth》 |2010年第8期|p.1098-1103|共6页
  • 作者

    Kandace R. Thomas; Jung Young Cho; Jasmine N. Millican; Richard D. Hembree; M. Moldovan; Amar Karki; D.P. Young; Julia Y. Chan;

  • 作者单位

    Department of Chemistry, Louisiana State University, Baton Rouge, 232 Choppin Hall, LA 70808, USA;

    rnDepartment of Chemistry, Louisiana State University, Baton Rouge, 232 Choppin Hall, LA 70808, USA;

    rnDepartment of Chemistry, Louisiana State University, Baton Rouge, 232 Choppin Hall, LA 70808, USA;

    rnDepartment of Chemistry, Louisiana State University, Baton Rouge, 232 Choppin Hall, LA 70808, USA;

    Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA;

    rnDepartment of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA;

    rnDepartment of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA;

    rnDepartment of Chemistry, Louisiana State University, Baton Rouge, 232 Choppin Hall, LA 70808, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A1. Crystal structure; A2. Flux growth; A1. Single crystal X-ray diffraction; A1. Magnetic susceptibility; A1. Magnetoresistance;

    机译：A1。晶体结构A2。助焊剂增长;A1。单晶X射线衍射;A1。磁化率;A1。磁阻;
  • 入库时间 2022-08-17 13:19:15

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