Low-energy electron and low-energy positron holography
1992; American Physical Society; Volume: 69; Issue: 25 Linguagem: Inglês
10.1103/physrevlett.69.3654
ISSN1092-0145
AutoresS. Y. Tong, H. Huang, Xin Guo,
Tópico(s)Nuclear materials and radiation effects
ResumoWe demonstrate holographic reconstruction using low-energy electron-diffraction (LEED) and low-energy positron-diffraction (LEPD) intensity spectra. Calculated LEED and LEPD intensity spectra from a multiple-scattering method are inverted to produce high-fidelity images of near-neighbor atoms whose positions are measured from an adatom. We show that low-energy positron diffraction is better suited for holographic reconstruction because positron scattering in solids is weaker than that of electrons.
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