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Determination of the imaginary component of atomic scattering factor for x-ray for nickel element for the energy range of 8.048-19.609 KeV | ||
| Kirkuk Journal of Science | ||
| Article 1, Volume 12, Issue 3, 2017, Pages 157-169 PDF (0 K) | ||
| DOI: 10.32894/kujss.2017.131327 | ||
| Author | ||
| Dr.Muhsin Hasan Ali | ||
| Abstract | ||
| In this paper x-ray mass attenuation coefficients of nickel were measured with precision between 0.2% and 0.5% for four characteristic wavelengths: copper and molybdenum K lines. The mass photoelectric absorption coefficients were determined by subtracting the calculated Rayleigh scattering from the total scattering and the values of measured attenuation coefficients. The values of the imaginary component of atomic scattering factor for x-ray in nickel were determined from the difference between the values of measured attenuation coefficients and theoretical calculations, it is shown that In the low energy at ω≪ω_e, and the high energy at ω≫ω_e, the imaginary component approximately is zero, and the electrons are so tightly bound to the atom. In the region ω ~ ω_e where the imaginary component of the scattering is dominate and the electron become highly absorbing. There was good agreement between the values of the imaginary component of atomic scattering factor has been found and the values has been calculated by using various model | ||
| Keywords | ||
| atomic scattering factor; the imaginary component of atomic scattering factor; coherent scattering | ||
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