Nature of resonant photoemission in Gd

被引：32
|
作者：
Mishra, SR [1 ]
Cummins, TR
Waddill, GD
Gammon, WJ
van der Laan, G
Goodman, KW
Tobin, JG
机构：
[1] Virginia Commonwealth Univ, Dept Phys, Richmond, VA 23284 USA
[2] Univ Missouri, Dept Phys, Rolla, MO 65401 USA
[3] SERC, Daresbury Lab, Warrington WA4 4AD, Cheshire, England
[4] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 06期
关键词：
D O I：
10.1103/PhysRevLett.81.1306
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The phenomenon of resonant photoemission happens when, in addition to a direct photoemission channel, a second indirect channel opens up as the absorption threshold of a core level is crossed. A massive increase in emission cross section can occur, but the nature of the process remains clouded. Using novel magnetic linear dichroism in photoelectron spectroscopy experiments and theoretical calculations, we can now clearly demonstrate that temporal matching of the processes as well as energy matching is a requirement for true "resonant photoemission."
引用
收藏
页码：1306 / 1309
页数：4
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