Dynamics of Structural Transformations between Lamellar and Inverse Bicontinuous Cubic Lyotropic Phases | Zendy

Charlotte E. Conn | Zendy; Oscar Ces | Zendy; Xavier Mulet | Zendy; Stéphanie Finet | Zendy; Roland Winter | Zendy; John M. Seddon | Zendy; Richard H. Templer | Zendy

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Dynamics of Structural Transformations between Lamellar and Inverse Bicontinuous Cubic Lyotropic Phases

Author(s) -

Charlotte E. Conn,

Oscar Ces,

Xavier Mulet,

Stéphanie Finet,

Roland Winter,

John M. Seddon,

Richard H. Templer

Publication year - 2006

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.96.108102

Subject(s) - lamellar structure , lyotropic , gyroid , materials science , inverse , coupling (piping) , phase transition , phase (matter) , fusion , amphiphile , crystallography , chemical physics , thermodynamics , condensed matter physics , physics , liquid crystal , copolymer , liquid crystalline , chemistry , geometry , quantum mechanics , mathematics , composite material , metallurgy , polymer , linguistics , philosophy

The liquid crystalline lamellar (L(alpha)) to double-diamond inverse bicontinuous cubic (Q(D)(pi)) phase transition for the amphiphile monoelaidin in excess water exhibits a remarkable sequence of structural transformations for pressure or temperature jumps. Our data imply that the transition dynamics depends on a coupling between changes in molecular shape and the geometrical and topological constraints of domain size. We propose a qualitative model for this coupling based on theories of membrane fusion via stalks and existing knowledge of the structure and energetics of bicontinuous cubic phases.

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