搜索

x

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

相变前的热力学平衡态对铁电液晶排列的影响

唐先柱 彭增辉 刘永刚 鲁兴海 宣丽

引用本文:
Citation:

相变前的热力学平衡态对铁电液晶排列的影响

唐先柱, 彭增辉, 刘永刚, 鲁兴海, 宣丽

The influence of thermodynamic equilibrium state prior to the phase transition on the alignment of ferroelectric liquid crystal

Tang Xian-Zhu, Peng Zeng-Hui, Liu Yong-Gang, Lu Xing-Hai, Xuan Li
PDF
导出引用
  • 本实验选用ZLI-3654型铁电液晶(FLC)以及SE-3140型取向剂制备FLC器件样品,通过改变FLC相变过程中的降温速率以及相变前的热力学平衡态来研究FLC相变前的热力学平衡态对FLC排列的影响,共进行了十组实验.实验后,将FLC器件静态对比度进行比较,得出手性向列相到近晶A相(N*-SmA)相变前的热力学平衡态对FLC实现均匀排列起着极其重要的作用的结论.实验结果表明:器件的静态对比度可高达620 ∶1, N*-SmA相变前的热力学平衡态有利于形成高对比
    In this experiment, devices of ferroelectric liquid crystal (FLC) were prepared by selecting ZLI-3654 FLC and SE-3140 alignment material. In order to study the influence of thermodynamic equilibrium state before the phase transition on the alignment of FLC, ten sets of experiments were carried out by changing the cooling rate during phase transition and thermodynamic equilibrium state before the phase transition. From experiments, a conclusion that the thermodynamic equilibrium state prior to chiral nematic-smectic A (N*-SmA) phase transition play an important role in realizing a uniform alignment of FLC devices, was obtained by comparing static contrasts of the devices. The static contrast ratio of our samples reached 620 ∶1 and the thermodynamic equilibrium state before N*-SmA phase transition was conducive to the formation of high contrast ratio FLC devices. The conclusion can provides a theoretical and practical guidance for the fabrication of FLC devices with I←→N*←→SmA←→S*mC←→Cr phase sequence.
    • 基金项目: 国家自然科学基金(批准号:60578035和50473040)资助的课题.
    [1]

    Zheng Z G, Ma J, Song J, Liu Y G, Hu L F,Xuan L 2007 Acta Phys. Sin. 56 15 (in Chinese) [郑致刚、马 骥、宋 静、刘永刚、胡立发、宣 丽 2007 物理学报 56 15]

    [2]

    Yang P B,Cao L G,Hu W,Zhu Y Q, Guo Q,Yang X B 2008 Acta Phys. Sin. 57 285(in Chinese) [杨平保、曹龙贵、胡 巍、朱叶青、郭 旗、杨湘波 2008 物理学报 57 285]

    [3]

    Zheng Z G, Li W C, Liu Y G, Xuan L 2008 Acta Phys. Sin. 57 7344(in Chinese) [郑致刚、李文萃、刘永刚、宣 丽 2008 物理学报 57 7344]

    [4]

    Yin J L, Huang X G, Liu S H, Hu S J 2006 Acta Phys. Sin. 55 5268(in Chinese) [殷建玲、黄旭光、刘颂豪、胡社军 2006 物理学报 55 5268]

    [5]

    Ding H B, Pang W N, Liu Y B,Shang R C 2005 Acta Phys. Sin. 54 4097(in Chinese) [丁海兵、庞文宁、刘义保、尚仁成 2005 物理学报 54 4097]

    [6]

    Zhang R, He J, Peng Z H, Xuan L 2009 Chin. Phys. B 18 2885

    [7]

    Zheng Z G, Song J, Zhang L L, Liu Y G, Guo F Z, Ma J, Li W C, Deng S P, Xuan L 2008 Chin. Phys. B 17 3227

    [8]

    Wang Q H, Cheng J B 2005 Acta Photon. Sin. 34 357 (in Chinese)[王琼华、成建波 2005 光子学报 34 357]

    [9]

    Wu P C, Wu J W 2007 J. Appl. Phys. 101 104513

    [10]

    Clark N A, Lagerwall S T 1980 Appl. Phys. Lett. 36 899

    [11]

    Zhu S Q, Pan W, Wang M Y 2005 Acta Photon. Sin. 34 218(in Chinese)[朱思奇、潘 炜、王梦遥 2005 光子学报 34 218]

    [12]

    Kim Y J, Kim K S, Kim Y B 2002 Ferroelectrics 278 191

    [13]

    Rieker T P, Clark N A, Smith G S, Parmar D S, Sirota E B, Safinya C R 1987 Phys. Rev. Lett. 59 2658

    [14]

    Petkov Asˇ ek R, ACˇ opi Acˇ M, Pir Asˇ J 2006 J. Appl. Phys. 99 044103

  • [1]

    Zheng Z G, Ma J, Song J, Liu Y G, Hu L F,Xuan L 2007 Acta Phys. Sin. 56 15 (in Chinese) [郑致刚、马 骥、宋 静、刘永刚、胡立发、宣 丽 2007 物理学报 56 15]

    [2]

    Yang P B,Cao L G,Hu W,Zhu Y Q, Guo Q,Yang X B 2008 Acta Phys. Sin. 57 285(in Chinese) [杨平保、曹龙贵、胡 巍、朱叶青、郭 旗、杨湘波 2008 物理学报 57 285]

    [3]

    Zheng Z G, Li W C, Liu Y G, Xuan L 2008 Acta Phys. Sin. 57 7344(in Chinese) [郑致刚、李文萃、刘永刚、宣 丽 2008 物理学报 57 7344]

    [4]

    Yin J L, Huang X G, Liu S H, Hu S J 2006 Acta Phys. Sin. 55 5268(in Chinese) [殷建玲、黄旭光、刘颂豪、胡社军 2006 物理学报 55 5268]

    [5]

    Ding H B, Pang W N, Liu Y B,Shang R C 2005 Acta Phys. Sin. 54 4097(in Chinese) [丁海兵、庞文宁、刘义保、尚仁成 2005 物理学报 54 4097]

    [6]

    Zhang R, He J, Peng Z H, Xuan L 2009 Chin. Phys. B 18 2885

    [7]

    Zheng Z G, Song J, Zhang L L, Liu Y G, Guo F Z, Ma J, Li W C, Deng S P, Xuan L 2008 Chin. Phys. B 17 3227

    [8]

    Wang Q H, Cheng J B 2005 Acta Photon. Sin. 34 357 (in Chinese)[王琼华、成建波 2005 光子学报 34 357]

    [9]

    Wu P C, Wu J W 2007 J. Appl. Phys. 101 104513

    [10]

    Clark N A, Lagerwall S T 1980 Appl. Phys. Lett. 36 899

    [11]

    Zhu S Q, Pan W, Wang M Y 2005 Acta Photon. Sin. 34 218(in Chinese)[朱思奇、潘 炜、王梦遥 2005 光子学报 34 218]

    [12]

    Kim Y J, Kim K S, Kim Y B 2002 Ferroelectrics 278 191

    [13]

    Rieker T P, Clark N A, Smith G S, Parmar D S, Sirota E B, Safinya C R 1987 Phys. Rev. Lett. 59 2658

    [14]

    Petkov Asˇ ek R, ACˇ opi Acˇ M, Pir Asˇ J 2006 J. Appl. Phys. 99 044103

计量
  • 文章访问数:  7304
  • PDF下载量:  687
  • 被引次数: 0
出版历程
  • 收稿日期:  2009-11-16
  • 修回日期:  2010-01-04
  • 刊出日期:  2010-09-15

/

返回文章
返回