Correlated thermal diffuse scattering in low to medium energy electron diffraction: A new structural tool
- Citation:
- Abukawa, T., Wei C. M., Hanano T., & Kono S. (1999). Correlated thermal diffuse scattering in low to medium energy electron diffraction: A new structural tool. Physical Review Letters. 82, 335-338., Jan, Number 2
Abstract:
We have observed simple oscillations in three-dimensional (3D) patterns of electron thermal diffuse scattering (separated from electron-electron energy loss) measured on a Si(001) surface. We interpret these oscillations as coherent interference within a small cluster of atoms in which vibrational correlation within the nearest neighbors (NN) is dominant. A 3D Patterson function analysis of the oscillation reveals the atomic structure of the Si(001) surface consisting of NN pairs including dimers. This finding provides a promising new clue to determine the structures of bulk and the surface of solids.
Notes:
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