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A New Method to Measure Thresholds of Electron-Stimulated Desorption: Modulation Method1

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Abstract

A new method to measure thresholds of electron-stimulated desorption (ESD) for neutral particles by means of energy-modulated electron beams is introduced. As examples of this new method, thresholds of ESD for neutral particles of N2 and O2 from the surfaces of polycrystalline Ni, Mo, and W are measured. Compared with the method via non-modulated electron beams, the instrument of measurement is simplified. Moreover, thresholds of ESD can be directly measured in high vacuum.

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Authors and Affiliations

  1. National Laboratory of Solid State Microstructures and Physics Department, Nanjing University, Nanjing, 210093, China

    T. Zhang, B. You & A. Hu

  2. Electronic Engineering Department, Southeast University, Nanjing, 210096, China

    F. M. Mao & X. Q. Yang

Authors
  1. T. Zhang
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  2. B. You
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  3. A. Hu
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  4. F. M. Mao
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  5. X. Q. Yang
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Zhang, T., You, B., Hu, A. et al. A New Method to Measure Thresholds of Electron-Stimulated Desorption: Modulation Method1 . Colloid Journal 65, 21–25 (2003). https://doi.org/10.1023/A:1022354505313

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