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首页> 外文期刊>Inorganic materials >Synthesis of Mg_2Cu and MgCu_2 Nanoparticles in a KCl-NaCl-MgCl_2 Melt
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Synthesis of Mg_2Cu and MgCu_2 Nanoparticles in a KCl-NaCl-MgCl_2 Melt

机译：在KCl-NaCl-MgCl_2熔体中合成Mg_2Cu和MgCu_2纳米颗粒

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摘要

The reaction between magnesium and nickel powders in a KC1-NaCl-MgCl_2 ionic melt at 973 K (reaction time, 5 h) has been studied by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray microanalysis, and chemical analysis. According to scanning electron microscopy data, the synthesized Mg_2Cu and MgCu_2 powders consist of particles( =) 100 and ( =)95 nm in size, respectively, in reasonable agreement with the equivalent particle diameters, ( =)98 and ( =)87 nm, determined from the specific surface area of the Mg_2Cu and MgCu_2 powders and with the crystallite sizes evaluated from X-ray diffraction data: D_(hki)( =) 90 and 84 nm, respectively. The Mg_2Cu synthesized in the ionic melt reacts with hydrogen under milder conditions than do Mg_2Cu samples prepared through standard melting of magnesium and copper in an electric arc or vacuum induction furnace.
机译：通过X射线衍射，扫描电子显微镜，能量色散X射线微分析和化学分析研究了KC1-NaCl-MgCl_2离子熔体中镁和镍粉在973 K下的反应（反应时间为5 h）。根据扫描电子显微镜数据，合成的Mg_2Cu和MgCu_2粉末分别由大小为= = 100和（=）95 nm的颗粒组成，与当量粒径（=）98和（=）87 nm合理地一致由Mg_2Cu和MgCu_2粉末的比表面积确定，并具有由X射线衍射数据评估的微晶尺寸：D_（hki）（=）分别为90和84nm。在离子熔体中合成的Mg_2Cu与氢的反应比在电弧或真空感应炉中通过镁和铜的标准熔化制备的Mg_2Cu样品在更温和的条件下反应。

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  • 来源
    《Inorganic materials》 |2012年第11期|1078-1081|共4页
  • 作者

    L. S. Volkova; G. V. Kalinnikov; A. V. Ivanov; S. P. Shilkin;

  • 作者单位

    Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432 Russia;

    Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432 Russia;

    Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432 Russia;

    Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432 Russia;

  • 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);
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