Journal
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
Volume 44, Issue 1B, Pages 578-581Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/JJAP.44.578
Keywords
liquid crystal; electron beam exposure; alignment; anchoring energy
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We have investigated the alignment of nematic liquid crystal (NLC) molecules using nanometer-sized ultrafine groove, tilted, and dot patterns fabricated by the electron beam exposure method. In order to improve the wetting condition of NLCs, we sputtered silicon dioxide on a substrate after the fabrication of ultrafine patterns. For a homogeneous alignment cell with an ultrafine groove pattern, an azimuthal anchoring energy of 2.84 x 10(-4) J/m(2) was obtained. We also confirmed tilted and homeotropic alignments using tilted and dot patterns, respectively.
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