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Figure 10
Illustration of the Ewald sphere with radius 1/λ for the energy scan, where λ is the wavelength of the X-ray radiation. According to the relation between the energy E and the wavelength, E = hν = hc/λ, the radius of the Ewald sphere is proportional to the energy. Therefore, the internal circle corresponds to the minimum energy and the outer circle corresponds to the maximum energy. Here, −k0 characterizes the direction of ideal alignment while k′ (the red arrow) is the real alignment and deviates slightly from the ideal case. The deviation in this figure is exaggerated.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 1| January 2019| Pages 109-118
https://doi.org/10.1107/S1600577518014856
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