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  1. No Access

    Article

    Liquid-crystal alignment of rubbed polyimide films: A microscopic investigation

    Rubbed polyimide films were investigated by Atomic Force Microscopy (AFM). On a large scale, microgrooves due to rubbing treatment were observed, whilst on a small scale, polyimide chain molecules were found t...

    H. -M. Wu, J. -H. Tang, Q. Luo, Z. -M. Sun, Y. -M. Zhu, Z. -H. Lu… in Applied Physics B (1996)

  2. No Access

    Article

    Liquid-crystal alignment of phthalocyanine-derived Langmuir-Blodgett films

    Twisted nematic liquid crystals were uniformly aligned on Phthalocyanine (Pc)-derived Langmuir-Blodgett (LB) films. By scanning tunneling microscopy imaging, it was found that the Pc-LB film has a well-ordered...

    Y. M. Zhu, H. Chen, Y. Wei, W. Yan in Applied Physics B (1994)