POSSIBILITY OF FORMATION OF RARE-EARTH NEGATIVE-IONS BY ATTACHMENT OF F ELECTRONS TO THE ATOMIC GROUND-STATE

被引：21

作者：

DATTA, D

BECK, DR

机构：

[1] Physics Department, Michigan Technological University, Houghton

来源：

PHYSICAL REVIEW A | 1993年 / 47卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.47.5198

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Some recent experiments indicate that certain rare-earth negative ions exist. Some local-density calculations indicate that attachment of f electrons is most favorable for Tm and Md. Here we investigate by means of relativistic configuration-interaction methods whether Tm- 4f14 and Md- 5f14 are bound. Our results strongly suggest that they are not, and that a different attachment process (perhaps that of a p electron, as recently proposed by Vosko and Chevary [Bull. Am. Phys. Soc. 37, 1089 (1992)]) must be contemplated.

引用

页码：5198 / 5201

页数：4

共 42 条

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