Polarization periodicity in the B(1) columnar phase determined by resonant x-ray scattering.
Phys Rev E Stat Nonlin Soft Matter Phys
; 84(1 Pt 1): 010701, 2011 Jul.
Article
en En
| MEDLINE
| ID: mdl-21867105
ABSTRACT
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 B(1) and B(2) phases.
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Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Phys Rev E Stat Nonlin Soft Matter Phys
Asunto de la revista:
BIOFISICA
/
FISIOLOGIA
Año:
2011
Tipo del documento:
Article
País de afiliación:
España