论文标题

确定Mössbauer光谱的中心移动的简单方法:在两种情况下举例说明

Simplistic approach for Determining Center Shift of Mössbauer Spectrum: exemplified on two cases

论文作者

Dubiel, Stanisław M., Żukrowski, Jan

论文摘要

概述了一种非常简单的方法,用于确定中心(异构体)偏移,CS的Mössbauer频谱CS。它的适用性在两个示例中证明。黄铁矿和三元相形Fe-Cr-Ni化合物。用简单且常用的方法分析了以前的温度间隔记录的光谱集,后者的光谱集为78-295 k,而后者的光谱集进行了5-293 k。通过Debye模型分析了通过两种拟合程序获得的CS(T)值。从debye温度的值确定的值在误差限制内同意的彼此一致,从而证明了这种非常简单的方法给出了CS的正确值。

A very simple method for determining the center (isomer) shift, CS, of a Mössbauer spectrum is outlined. Its applicability is demonstrated on two examples viz. pyrite and a ternary sigma-phase Fe-Cr-Ni compound. Sets of the spectra recorded in the temperature interval of 78-295 K for the former, and 5-293 K for the latter were analyzed with the simple and a commonly used methods. CS(T)-values obtained with both ways of the fitting procedures were analyzed in terms of the Debye model. The determined therefrom values of the Debye temperatures agree within the error limit with each other proving thereby that this very simple method gives correct values of CS.

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