Electron Diffraction and Crystal Structure
h 2eVm [3] You should verify for yourself that this can be re-written in the practical form !(Angstroms)= 151.3 V(volts) [4] Thus, a 150 V electron has a de Broglie wavelength of 1 Angstrom, and the wavelength should vary in inverse proportional to the accelerating voltage. b. Crystal Lattice Spacing A crystal is a very regular array of atoms.
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