Volume 65, Number 2, January 2004
|Page(s)||207 - 213|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 January 2004|
A new approach for three-dimensional atomic-image reconstruction from a single-energy photoelectron hologram
Japan Synchrotron Radiation Research Institute (JASRI), SPring-8 1-1-1 Kouto, Mikazuki-cho, Sayo-gun Hyogo 679-5198, Japan
2 Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute (JAERI) - 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
Accepted: 13 November 2003
A “scattering pattern matrix” method is proposed here to overcome the difficulties presented by photoelectron holography, such as forward-scattering and multi-energy problems. This method makes it possible to reconstruct a three-dimensional atomic arrangement from a single-energy hologram. We have utilized the “scattering pattern matrix” that includes the angular variation of the scattered object waves, and we have adopted a special average process and the gradient projection method for minimizing the mean-squared error. The reconstruction of the bulk structure is demonstrated by using an experimental single-energy hologram. The holographic reconstruction provided a three-dimensional image with a size of 10 along both the vertical and horizontal axes.
PACS: 61.14.-x – Electron diffraction and scattering / 42.40.-i – Holography / 79.60.-i – Photoemission and photoelectron spectra
© EDP Sciences, 2004
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