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相关概念视频

Angle of Twist - Elastic Range01:13

Angle of Twist - Elastic Range

285
Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
285

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相关实验视频

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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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在扭曲的有机晶体波导中,机械控制的多面动态转换.

Mehdi Rohullah1, Vuppu Vinay Pradeep1, Shruti Singh1

  • 1Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500 046, Telangana, India.

Nature communications
|May 13, 2024
PubMed
概括

这项研究揭示了灵活,扭曲的有机微晶表现出独特的机械行为,如站立和堆叠. 这些行为在3D晶体波导中建立了机械应变和光学损失之间的直接联系.

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相关实验视频

Last Updated: Jun 26, 2025

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科学领域:

  • 材料科学 材料科学 材料科学
  • 有机电子 有机电子
  • 晶体学 晶体学是指结晶学.

背景情况:

  • 合成了自然扭曲的光学波导微晶.
  • 这些微晶体具有独特的自我组装和光学特性.

研究的目的:

  • 为了研究扭曲的光学波导微晶中的机械诱导现象.
  • 分析机械应变和光学损失之间的关系.
  • 探索这些微晶体的3D光导能力.

主要方法:

  • 从2,4-dibromo-6-((((2-bromo-5-fluorophenyl) imino) methyl) phenol中合成扭曲的微晶.
  • 机械分析晶体生长和灵活性.
  • 在受控的机械曲下进行光学波导实验.
  • 调查晶体的站立,倾斜,堆叠和相互锁定行为.

主要成果:

  • 在曲晶体中建立了光学损失和机械应变之间的线性关系.
  • 展示了微晶的站立,倾斜,堆叠和相互锁定行为.
  • 在有机晶体波导中揭示了3D光线轨迹.
  • 在相互锁定的晶体中展示了极化旋转合.

结论:

  • 扭曲的微晶体中的机械诱导现象为3D有机晶体波导提供了新的可能性.
  • 该研究扩大了对晶体动态及其潜在应用的理解.
  • 这些发现为水晶相关科学技术的进步带来了希望.