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Design of an efficient monochromatic electron source for inverse photoemission spectroscopy
Geng DP(耿东平); Geng, DP; 刘树虎;Yang, YG; Liu, SH; Hong, CH; Gao, XY;; Hong CH(洪才浩); Gao XY(高兴宇)
2014
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
EISSN2058-6132
Volume38Issue:11Pages:118202
AbstractA design for an efficient monochromatic electron source for Inverse Photoemission Spectroscopy (IPES) apparatus is described. The electron source consists of a BaO cathode, a focus electrostatic lens, a hemispherical deflection monochromator (HDM), and a transfer electrostatic lens. The HDM adopts a "slit-in and slit-out" structure and the degradation of first-order focusing is corrected by two electrodes between the two hemispheres, which has been investigated by both analytical methods and electron-ray tracing simulations using the SIMION program. Through the focus lens, the HDM, and the standard five-element transfer lens, an optimal energy resolution is estimated to be about 53 MeV with a beam flux of 27 RA. Pass energy (P.E.) of 10 eV and 5 eV are discussed, respectively.
Keywordbeam flux electrostatic lens hemispherical deflection monochromator fringing effect energy resolution SIMION
Subject AreaPhysics
DOI10.1088/1674-1137/38/11/118202
Indexed BySCI
Language英语
WOS IDWOS:000344911400022
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224962
Collection多学科研究中心
Recommended Citation
GB/T 7714
Geng DP,Geng, DP,刘树虎;Yang, YG,et al. Design of an efficient monochromatic electron source for inverse photoemission spectroscopy[J]. CHINESE PHYSICS C,2014,38(11):118202.
APA 耿东平.,Geng, DP.,刘树虎;Yang, YG.,Liu, SH.,Hong, CH.,...&高兴宇.(2014).Design of an efficient monochromatic electron source for inverse photoemission spectroscopy.CHINESE PHYSICS C,38(11),118202.
MLA 耿东平,et al."Design of an efficient monochromatic electron source for inverse photoemission spectroscopy".CHINESE PHYSICS C 38.11(2014):118202.
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