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高明杰, 张雅男, 肖雪, 等. 不同入射角度铝的较高能二次电子发射系数表达式[J]. 真空与低温, 2014, 20(1): 43-45,61. DOI: 10.3969/j.issn.1006-7086.2014.01.009
引用本文: 高明杰, 张雅男, 肖雪, 等. 不同入射角度铝的较高能二次电子发射系数表达式[J]. 真空与低温, 2014, 20(1): 43-45,61. DOI: 10.3969/j.issn.1006-7086.2014.01.009
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GAO Ming-jie, ZHANG Ya-nan, XIAO Xue, et al. FORMULA FOR SECONDARY ELECTRON YIELD FROM METAL Al AT HIGHER INCIDENT ELECTRON ENERGY AT DIFFERENT INCIDENT ANGLE[J]. VACUUM AND CRYOGENICS, 2014, 20(1): 43-45,61. DOI: 10.3969/j.issn.1006-7086.2014.01.009
Citation: GAO Ming-jie, ZHANG Ya-nan, XIAO Xue, et al. FORMULA FOR SECONDARY ELECTRON YIELD FROM METAL Al AT HIGHER INCIDENT ELECTRON ENERGY AT DIFFERENT INCIDENT ANGLE[J]. VACUUM AND CRYOGENICS, 2014, 20(1): 43-45,61. DOI: 10.3969/j.issn.1006-7086.2014.01.009
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不同入射角度铝的较高能二次电子发射系数表达式

FORMULA FOR SECONDARY ELECTRON YIELD FROM METAL Al AT HIGHER INCIDENT ELECTRON ENERGY AT DIFFERENT INCIDENT ANGLE

    摘要
  • 摘要: 根据分析二次电子的入射过程及二次电子发射系数的定义,从理论上推导出铝的较高能二次电子发射系数与原电子入射能量及入射角度的关系。通过计算,得出了发射系数的具体表达式。用该表达式计算得到原电子以不同角度轰击下铝的较高能二次电子发射系数理论值。根据该表达式得到的理论数据与已有实验数据比较符合。

     

    Abstract: The relation between the incident energy incident angle and secondary electron emission coefficient at higher incident electron energy in theory on the basis of dominant physical processes of secondary electron emission is discassed. By calculating the parameter, we get the formula for secondary electron yield from metal Al at higher incident electron energy and different incident angle. After comparison with experimental data, the formula is well applicable.

     

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