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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。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.
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