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Topological characterization of metallic glasses by neutron diffraction and RMC modeling

机译：金属玻璃的中子衍射和RMC建模表征

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TbFe2D3.8, TbNi2D2.4, CuZr2 and NiZr2 metallic glasses have been studied to elucidate the structural characteristics by taking advantage of neutron and X-ray diffraction and using the reverse Monte Carlo (RMC) modeling based on the diffraction data. Topologically, about 98% of D atoms occupy tetrahedral sites formed by metal atoms for TbFe2D3.8 and TbNi2D2.4 metallic glasses. The Volonoi analysis of the structure of CuZr2 and NiZr2 metallic glasses was carried out to elucidate the relationship between the stability of glassy state and the atomic configuration. The prismatic-like polyhedra dominate in NiZr2 metallic glass. In contrast, the icosahedron-like polyhedra faces are preferred for constructing the structure of CuZr2 metallic glass. (c) 2006 Elsevier B.V. All rights reserved.
机译：已经研究了TbFe2D3.8，TbNi2D2.4，CuZr2和NiZr2金属玻璃，以利用中子和X射线衍射并基于衍射数据使用反向蒙特卡洛（RMC）建模来阐明结构特征。拓扑上，对于TbFe2D3.8和TbNi2D2.4金属玻璃，约98％的D原子占据由金属原子形成的四面体位置。对CuZr2和NiZr2金属玻璃的结构进行了Volonoi分析，以阐明玻璃态稳定性与原子构型之间的关系。棱柱状多面体在NiZr2金属玻璃中占主导地位。相反，二十面体状的多面体面优选用于构造CuZr 2金属玻璃的结构。 （c）2006 Elsevier B.V.保留所有权利。

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