Chin. Phys. Lett.  2005, Vol. 22 Issue (9): 2237-2240    DOI:
Original Articles |
A New Method of Measuring Electron Emission Induced by Low Energy Ions from Solids
ZHANG Heng-Da1;A. Breskin1;R.Chechik1;S. Shckemelinin1;E. Cheifetz2
1Department of Particle Physics, Weizmann Institute of Science, Rehovot 76100, Israel 2El-Mul Technologies, Yavne 81104, Israel
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ZHANG Heng-Da, A. Breskin, R.Chechik et al  2005 Chin. Phys. Lett. 22 2237-2240
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Abstract A new mathematical method of measuring electron emission induced by low energy ions from solids is described and used to calculate secondary electron emission according to the recorded pulse-height spectra of ions and ultraviolet (UV) photons. Using the UV single secondary electron spectra, we predict the shape of many secondary electron distributions under consideration of detection efficiency of MCP detector. These calculated distributions allow us to characterize the secondary electrons yield, and to give a secondary electron distribution for measured data. It seems rather feasible to determine secondary electron yield emitted by low energy ions at very low ion fluxes.
Keywords: 32.80.Rm      42.50.Hz      32.80.Fb     
Published: 01 September 2005
PACS:  32.80.Rm (Multiphoton ionization and excitation to highly excited states)  
  42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)  
  32.80.Fb (Photoionization of atoms and ions)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I9/02237
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ZHANG Heng-Da
A. Breskin
R.Chechik
S. Shckemelinin
E. Cheifetz
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