They took a crystal, this is a single crystal of nickel that has regular planes of atoms, and those planes are spaced on the order of an angstrom or less apart, and they irradiated this with x-rays.
The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.
本文讨论了晶体单色器高次衍射形成的谐波对EXAFS振幅的影响。
3
The order parameter (s) of dye molecules in liquid crystal were determined, and the characteristics of negative dichroic dyes structure were discussed.