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High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
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用光塑造晶体:晶体对晶体的异构化和化亚基中光机械效应

Oleksandr S Bushuyev1, Anna Tomberg, Tomislav Friščić

  • 1Department of Chemistry and FRQNT Centre for Self-Assembled Chemical Structures, McGill University, 801 Sherbrooke Street West, H3A 0B8, Montreal, Canada.

Journal of the American Chemical Society
|August 9, 2013
PubMed
概括

甲化cis-azobenzenes具有长时间的热稳定性,允许进行结构研究和首次观察晶体对晶体异构. 可见光诱导这些阿佐烯晶体的永久光机械形状变化.

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Determination of Crystal Structures01:29

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...