Limits to the quantitative analysis of multiatom resonant photoemission:: The case of c(2X2)O/Ni(100) -: art. no. 121402

被引：20
|
作者：
Nordlund, D
Garnier, MG
Witkowski, N
Denecke, R
Nilsson, A
Nagasono, M
Mårtensson, N
Föhlisch, A
机构：
[1] Lund Univ, MAX Lab, SE-22100 Lund, Sweden
[2] Uppsala Univ, Dept Phys, SE-75121 Uppsala, Sweden
[3] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland
[4] Lab Opt Solides, F-75252 Paris, France
[5] Univ Erlangen Nurnberg, Lehrstuhl Phys Chem 2, D-91058 Erlangen, Germany
[6] Univ Hamburg, D-22761 Hamburg, Germany
来源：
PHYSICAL REVIEW B | 2001年 / 63卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.63.121402
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated multiatom resonant photoemission (MARPE) on an adsorbate system c(2 x 2)O/Ni( 100). We observe a negligible MARPE enhancement (2 +/- %) of the O 1 s photoelectron intensity when the excitation energy is tuned to the Ni L-3 absorption resonance. A strong nonlinearity in our photoelectron detection system is shown to produce artificial MARPE effects of up to 140% for uncorrected spectra. The possibly dominating influence of measurement artifacts in systems besides the studied adsorbates suggests a cartful review of the intensity of the MARPE effect and its applicability in general.
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页数：3
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