Direct Reaction Synthesis of Mg_2B_(14) from Elemental Precursors

J. S. Peters; J. M. Hill; A. M. Russell

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Direct Reaction Synthesis of Mg_2B_(14) from Elemental Precursors

机译：由元素前体直接反应合成Mg_2B_（14）

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Mg_2B_(14) prepared by reaction of high-purity Mg and B was analyzed by X-ray diffraction and Rietveld analysis. The structure refinement for space group Imam resulted in residuals R_p = 6.95 percent and R_(Bragg) = 3.72 percent with lattice parameters a = 5.9738(3) A, b = 8.1255(4) A, and c = 10.4809(5) A. AlMgB_(14) produced by the same method did not yield high-purity specimens.

机译：通过X射线衍射和Rietveld分析法分析了高纯度Mg与B反应制得的Mg_2B_（14）。对空间群Imam的结构优化导致残差R_p = 6.95％和R_（Bragg）= 3.72％，晶格参数a = 5.9738（3）A，b = 8.1255（4）A，c = 10.4809（5）A.用相同的方法生产的AlMgB_（14）不能产生高纯度的样品。

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《Scripta materialia》 |2006年第5期|共4页
作者
J. S. Peters; J. M. Hill; A. M. Russell;
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正文语种 eng
中图分类金属学与热处理;
关键词
Icosahedral borides; Borides; X-ray diffraction (XRD); Crystal structure;

机译：二十面体硼化物;硼化物;X射线衍射（XRD）;晶体结构;

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Direct Reaction Synthesis of Mg_2B_(14) from Elemental Precursors

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