CAJ | 학술논문

用X射线荧光光谱基本参数法测定了Y1-xPrxBa2Cu3Oy系列样品中的钇镨钡铜百分含量，然后折算成它们的原子比.实验结果表明测量值与样品的名义组分的确有差别，这可能就是各超导小组报道的Tc～x曲线形状不一样的原因之一.实验还显示Tc与x的关系不是一条简单的二次曲线.讨论了氧对分析元素测量值的影响，氧对各分析线的质量吸收占基体总的质量吸收份数最大不超过3.41％.
용X사선형광광보기본삼수법측정료Y1-xPrxBa2Cu3Oy계렬양품중적을보패 동백분함량，연후절산성타문적원자비.실험결과표명측량치여양품적명의조분적학 유차별，저가능취시각초도소조보도적Tc～x곡선형상불일양적원인지일.실험환 현시Tc여x적관계불시일조간단적이차곡선.토론료양대분석원소측량치적영향， 양대각분석선적질량흡수점기체총적질량흡수빈수최대불초과3.41％.
Y, Pr, Ba and Cu compositions of the series of the Y1- xPrxBa2Cu3Oy samples have been determined by using X-ray fluorescence (XRF) fundamental parameter method in a non destruction state. The composition is given by an atomic fraction. The determined compositions of the samples show a difference from their nominal compositions. One of the reasons why the exact shape of Tc vs x varies is different from group to group, as reported, is the difference of the real and the nominal compositions. The relation of Tc vs x is not a simple quadric curve. The results agree well with those obtained by the inductively coupled plasma atomic emission spectrometer (ICP-AES), which indicates that the method is appropriate for the determination of the conmpositions of the high temperature superconductors. In addition, the influence of oxy gen on analytical elements is discussed. The fraction of the matrix total mass absorption, which is associated with oxygen for each analytical line, is less than 3.44%.