Atomic Scattering Factors Calculated from the TFD Atomic Model
摘要：
Using the TFD electron density, recently published by one of us (T), the atomic scattering factorf0has been calculated for neutral atoms as well as for singly through quadruply ionized positive ions with intermediate atomic numbers on the IBM 607 and 650. Thef0values thus obtained for Ar and Cu+agree qualitatively with those calculated from the Hartree‐Fock fields recently by MacGillavryet al.The experimental fact has been again confirmed, that thef0value is not much influenced by the state of ionization. The effect of exchange has been displayed by the deviation of the TFD curve of the atomic scattering factor per electronf0versusthe Bethe variable ξ, from the TF universal curve. The TFD curve off0versus Zfor a definite state of ionization has a slight minimum at a certain value ofZwhich increases with decreasing scattering angle and tends finally at vanishing scattering angle to a definite limiting value just corresponding to the maximum of 〈r2〉Av.
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DOI：
10.1063/1.1743287
被引量：
年份：
1957
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