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Updated: May 28, 2025

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
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Published on: September 20, 2017

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超薄放松膜中的尺寸驱动阶段演变.

Jieun Kim1,2, Yubo Qi3,4, Abinash Kumar5

  • 1Department of Materials Science and Engineering, University of California Berkeley, Berkeley, CA, USA.

Nature nanotechnology
|February 11, 2025
PubMed
概括

放松铁电薄膜表现出厚度依赖的行为. 当薄膜接近25-30nm时,极地纳米域旋转并稳定放松特性,但在6-10nm以下,特性会崩.

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Atomic Nuclei: Types of Nuclear Relaxation01:28

Atomic Nuclei: Types of Nuclear Relaxation

Nuclear relaxation restores the equilibrium population imbalance and can occur via spin–lattice or spin–spin mechanisms, which are first-order exponential decay processes.
In spin–lattice or longitudinal relaxation, the excited spins exchange energy with the surrounding lattice as they return to the lower energy level. Among several mechanisms that contribute to spin–lattice relaxation, magnetic dipolar interactions are significant. Here, the excited nucleus transfers...
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