用X射线异常色散效应测定二元非晶合金Fe82B18偏径向分布函数方法的简化

李华瑞; 刘恒达; 董克柱

doi:10.7498/aps.34.766

THE SIMPLIFICATION OF X-RAY ANOMALOUS DISPERSION METHOD IN DETERMINING PARTIAL RADIAL DISTRIBUTION FUNCTION (PDF) OF THE AMOPHOUS BINARY ALLOY Fe82B18

摘要

本文采用Mo,Cu,Co三种不同波长的X射线辐射,测定了Fe82B18二元非晶合金的径向分布函数。比较了不同波长辐射对测定径向分布函数的影响。应用X射线异常色散方法计算了Fe82B18二元非晶合金的偏径向分布函数。在计算时略去了B-B原子对对径向分布函数的贡献,因而简化了计算过程,并相对提高了计算精度。所得结果与国际上使用同类方法或其它方法的结果相近。
Abstract
The radial distribution function (RDF) of amorphous alloy Fe82B18 was determined by using three different wave lengths of X-ray radiation (Mo, Cu, Co). And their influences on the determination of RDF were compared.The PDF for amorphous binary alloy Fe82B18 were calculated by means of X-ray anomalous dispersion method. In the calculation, the contribution of B-B atom pairs to RDF was neglected. Therefore, the calculation procedure was simplified and the accuracy of calculation increased.
作者及机构信息
李华瑞,

刘恒达,

董克柱
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用X射线异常色散效应测定二元非晶合金Fe82B18偏径向分布函数方法的简化

THE SIMPLIFICATION OF X-RAY ANOMALOUS DISPERSION METHOD IN DETERMINING PARTIAL RADIAL DISTRIBUTION FUNCTION (PDF) OF THE AMOPHOUS BINARY ALLOY Fe82B18

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Abstract

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