On the Influence of the Packing on the Atomic Scattering Factor Based on the Thomas-Fermi Theory

1955 ◽  
Vol 10 (9) ◽  
pp. 753-758 ◽  
Author(s):  
Kwai Umeda ◽  
Yasuo Tomishima
Keyword(s):  
Fermi Theory ◽  
Thomas Fermi ◽  
Atomic Scattering Factor ◽  
Atomic Scattering ◽  
Scattering Factor

Bragg reflection and transmission of X-rays induced by the imaginary part of the atomic scattering factor

1995 ◽  
Vol 7 (42) ◽  
pp. 8089-8098 ◽  
Author(s):  
Xu Zhangcheng ◽  
Zhao Zongyan ◽  
Guo Changlin ◽  
Zhou Shengming ◽  
Tomoe Fukamachi ◽  
...  
Keyword(s):  
Imaginary Part ◽  
Bragg Reflection ◽  
X Rays ◽  
Reflection And Transmission ◽  
Atomic Scattering Factor ◽  
Atomic Scattering ◽  
Scattering Factor

An Absolute Atomic Scattering Factor for Germanium Obtained by Anomalous Transmission in a Bicrystal

1973 ◽  
Vol 28 (5) ◽  
pp. 553-557
Author(s):  
J. F. C. Baker ◽  
M. Hart ◽  
J. Helliar
Keyword(s):  
Excellent Agreement ◽  
Bragg Reflection ◽  
Perfect Crystal ◽  
Rocking Curve ◽  
Intensity Measurements ◽  
Atomic Scattering Factor ◽  
Transmitted Waves ◽  
Atomic Scattering ◽  
Scattering Factor ◽  
Anomalous Transmission

Using the newly developed method of dynamical interference between anomalously transmitted waves in a crystal containing a non-diffracting zone1 , we have measured the real part of the atomic scattering factor for germanium at the value of sin θ/λ corresponding to the 220 Bragg reflection. The result, f0 = 23.79 ± 0.08 electron units is in excellent agreement with values obtained in perfect crystal intensity measurements 2,3 and from triple crystal rocking curve studies 4,5 but significantly differs from the value obtained using Pendellösung fringes 3. Finally, we seek to assess the reliability of each method by comparison with the corresponding results for silicon, concluding that the error probably lies in the Pendellösung result.

Anomalous x-ray atomic scattering factor for Zr, Nb, and Mo

1989 ◽  
Vol 40 (9) ◽  
pp. 5420-5421
Author(s):  
M. S. Wang ◽  
Sheau-Huey Chia
Keyword(s):  
X Ray ◽  
Atomic Scattering Factor ◽  
Atomic Scattering ◽  
Scattering Factor

scholarly journals Calculation of The Imaginary Part of Atomic Form Factor For X-ray In Nickel

2019 ◽  
Vol 23 (10) ◽  
pp. 66
Author(s):  
Ahmed Raheem Ahmed ◽  
, Muhsin Hasan Ali
Keyword(s):  
Imaginary Part ◽  
High Energy ◽  
Approximate Methods ◽  
X Ray ◽  
X Ray Scattering ◽  
Atomic Scattering Factor ◽  
Atomic Scattering ◽  
Scattering Factor ◽  
Atomic Form Factor ◽  
Good Agreement

In the present study, we calculated the imaginary part of the x-ray scattering factor of nickel based on the principles of quantum mechanics to find a wave function that describes the electronic state of atoms by approximate methods, observed the study suggested that in both low energy values , and at high energy values , the imaginary part is approximately zero, this means that the electrons are intensely connected to the atom, where in the spectrum the photon energies are approximately equal to the electron bonding energy  we note the study pointed out that the imaginary part of the atomic scattering factor become  prominent and the electron becomes highly absorbent, the relative accuracy varies within range (0.03-0.22)%, and there was also a good agreement between the behavior we obtained for the imaginary part of the atomic scattering factor and the behavior that was calculated using other models.    http://dx.doi.org/10.25130/tjps.23.2018.171

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