期刊
PHYSICAL REVIEW LETTERS
卷 84, 期 17, 页码 3871-3874出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.3871
关键词
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We show that the anchoring memory of liquid crystals on solid substrates can be completely removed by grafting highly mobile polymer chains. Using grafted polystyrene, we obtain uniform, stable, and reproducible memory-free and conically degenerated anchoring of the nematic 5CB. The symmetry of the conic anchoring enables two different zenithal anchoring breakings, towards homeotropic and planar states. Under external torques we observe both of them, with weak thresholds.
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