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- Title
Electron density map using multiple scattering in grazing-incidence small-angle X-ray scattering.
- Authors
Byeongdu Lee; Insun Park; Haewoong Park; Lo, Chieh-Tsung; Taihyun hang; Winans, Randall E.
- Abstract
The electron density map of a block copolymer thin film having the hexagonally perforated layer (HPL) structure was directly obtained from the measured grazing-incidence small-angle X-ray scattering (GISAXS) pattern, exploiting the multiple-scattering phenomena present in GISAXS. It is shown that GISAXS is in principle equivalent to three-beam diffraction, which has been used to extract phases of diffraction peaks. In addition, X-ray reflectivity analysis has been performed which, when combined with the GISAXS results, provides full details of the HPL structure.
- Subjects
ELECTRON distribution; SMALL-angle X-ray scattering; MULTIPLE scattering (Physics); SCATTERING (Physics); OPTICAL diffraction; CRYSTALLOGRAPHY
- Publication
Journal of Applied Crystallography, 2007, Vol 40, Issue 3, p496
- ISSN
0021-8898
- Publication type
Other
- DOI
10.1107/S0021889807011399