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Título: | Polarization periodicity in the B1 columnar phase determined by resonant x-ray scattering |
Autor: | Folcia, César L.; Ortega, Josu; Etxebarria, Jesús; Gimeno, Nélida CSIC | Fecha de publicación: | 2011 | Editor: | American Physical Society | Citación: | Physical Review E 84: 010701(R) (2011) | Resumen: | We report structural results that evidence the polarization distribution of the blocks in the columnar phase of an achiral bent-core liquid crystal. The study was performed using resonant x-ray diffraction at the sulfur K edge on oriented samples aligned on substrates. The extra periodicity is revealed through the violation of the systematic extinction rule of the structural symmetry group along the experimentally accessible diffraction direction. Further data obtained from the polarization analysis of a resonant reflection give information concerning the transition mechanism between B1 and B2 phases. | URI: | http://hdl.handle.net/10261/53687 | DOI: | 10.1103/PhysRevE.84.010701 | Identificadores: | doi: 10.1103/PhysRevE.84.010701 issn: 1539-3755 e-issn: 1550-2376 |
Aparece en las colecciones: | (ICMA) Artículos |
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Polarization periodicity.pdf | 278,29 kB | Adobe PDF | Visualizar/Abrir |
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