Shear-induced birefringence in an optically isotropic cubic liquid crystalline phase.
basic_science · Level V
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- Record sourced from PubMed, PMID 36300301.
- Also identified by DOI 10.1039/d2sm01148d.
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Abstract
We report an unusually strong flow-induced birefringence in an optically isotropic cubic phase occurring below the isotropic chiral conglomerate phase formed by a low-molecular-weight polycatenar mesogen. The transition into the birefringent state occurs thresholdless and the induced birefringence is comparable with that observed in polymeric systems. We suggest that the flow-induced deformation of the cubic structure is responsible for the strong rheo-optical response.