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Dong Ki Yoon, Youngwoo Yi, Yongqiang Shen, Eva D. Korblova, David M. Walba, Ivan I. Smalyukh and Noel A. Clark Orientation of a Helical Nanofilament (B4) Liquid-Crystal Phase: Topographic Control of Confinement, Shear Flow, and Temperature Gradients Advanced Materials 23

Version of Record online: 24 MAR 2011 | DOI: 10.1002/adma.201004482

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Oriented domains of the chiral/polar crystalline helical nanofilaments of the bent-core liquid crystal B4 phase are reported. A combination of topographic confinement of the bent-core molecule in micrometer-scale rectangular channels etched into a silicon surface with cooling from the isotropic melt in the presence of an air flow over the surface yields nanofilament orientation parallel to the flow.

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