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首页> 外文期刊>Inorganic materials >Crystallization from Na_2O-P_2O_5-Fe_2O_3-M~ⅡO (M~Ⅱ = Mg, Ni) Melts and the Structure of Na_4MgFe(PO_4)_3
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Crystallization from Na_2O-P_2O_5-Fe_2O_3-M~ⅡO (M~Ⅱ = Mg, Ni) Melts and the Structure of Na_4MgFe(PO_4)_3

机译:Na_2O-P_2O_5-Fe_2O_3-M〜ⅡO(M〜Ⅱ= Mg,Ni)熔体的结晶及Na_4MgFe(PO_4)_3的结构

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摘要

We have studied general trends of phosphate crystallization from Na_2O—P_2O_5—Fe_2O_3—M~ⅡO (M~Ⅱ = Mg, Ni) high-temperature solutions at Na/P = 1.0-1.4, M~Ⅱ/Fe = 1.0, and Fe/P = 0.15 or 0.3, and identified the stability regions of the phosphates Na_4 M~ⅡFe(PO_4)_3 (M~Ⅱ = Mg, Ni), NaFeP_2O_7, and Na_2NiP_2O_7. The synthesized compounds have been characterized by X-ray powder diffraction and infrared spectroscopy. The structure of Na_4MgFe(PO_4)_3 (sp. gr. R3c, a = 8.83954(13) A, c = 21.4683(4) A) has been determined by Rietveld powder diffraction analysis.
机译:我们研究了Na / P = 1.0-1.4,M〜Ⅱ/ Fe = 1.0和Fe时Na_2O-P_2O_5-Fe_2O_3-M〜ⅡO(M〜Ⅱ= Mg,Ni)高温溶液中磷酸盐结晶的一般趋势/ P = 0.15或0.3,并确定了磷酸盐Na_4 M〜ⅡFe(PO_4)_3(M〜Ⅱ= Mg,Ni),NaFeP_2O_7和Na_2NiP_2O_7的稳定区域。通过X射线粉末衍射和红外光谱对合成的化合物进行了表征。 Na_4MgFe(PO_4)_3(sp。gr。R3c,a = 8.83954(13)A,c = 21.4683(4)A)的结构已通过Rietveld粉末衍射分析确定。

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  • 来源
    《Inorganic materials》 |2012年第4期|p.402-406|共5页
  • 作者单位

    Shevchenko National University, Volodymyrs'ka ul. 64, Kyiv, 01033 Ukraine;

    Shevchenko National University, Volodymyrs'ka ul. 64, Kyiv, 01033 Ukraine;

    Shevchenko National University, Volodymyrs'ka ul. 64, Kyiv, 01033 Ukraine;

    Shevchenko National University, Volodymyrs'ka ul. 64, Kyiv, 01033 Ukraine;

    Shevchenko National University, Volodymyrs'ka ul. 64, Kyiv, 01033 Ukraine;

  • 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
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