摘要
镧系元素的第一、第二、第三电离能,前人曾做过很多的研究。文献[1]总结报道了用表面电离法和电子冲击法测定的第一电离能的实验值以及用一种半经验光谱法计算的第二电离能,至于镧系元素的第三电离能,大多是用经验方法间接估计。温元凯等又应用Born-Haber热化学循环于稀土元素氯化物,计算了全部镧系元素的总电离能和第三电离能。
This paper deals with the ionization potentials of the lanthanides by the modified Slater mehtod.Alternations have been made of as follows the screening constants of the 4f electrons for the 5s,5p,5d,and 6s electrons;the screening constants of the 5p and 6s electrons for the 6s electrons;and the screening constants of impregnated 5s and 5p electrons for the 4f electrons.And the relationship between the screening constants for the 4f electrons and number of the 4f electrons ions is also given.The 1st,2nd and 3rd ionization potentials of the lanthanides have been calculated,and the results are satisfactory.
作者
冯玉彪
朱艳云
FENG YU-BIAO;ZU YAN-YUN
出处
《科学通报》
1979年第14期641-645,共5页
Chinese Science Bulletin
