Author(s): Sameh Ferjani, Yoonseuk Choi, Joel Pendery, Rolfe G. Petschek, and Charles Rosenblatt
A substrate coated with an achiral polyimide alignment layer was scribed bidirectionally with the stylus of an atomic force microscope to create an easy axis for liquid crystal orientation. The resulting noncentrosymmetric topography resulted in a chiral surface that manifests itself at the molecula...
[Phys. Rev. Lett. 104, 257801] Published Thu Jun 24, 2010
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