Negative Compressibility in the Monoclinic Octahedron Model Constructed by Hinging Wine‐Rack Mechanism,Physica Status Solidi (B) - Basic Solid State Physics

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Negative Compressibility in the Monoclinic Octahedron Model Constructed by Hinging Wine‐Rack Mechanism
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.5 ) Pub Date : 2020-09-03 , DOI: 10.1002/pssb.202000389
Meng Ma ₁ , Xiaoqin Zhou ₁ , Hao Liu ₁ , Haocheng Wang ₁

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Enlightened by the concept of crystal system, many of the 3D models with negative compressibility that have been proposed so far are cellular models with periodic arrays, which can be called as orthogonal models or tetragonal models. Therefore, a more effective method to design 3D models with negative compressibility by changing the system type of the existing models can be developed. Herein, a monoclinic octahedron model based on the tetragonal octahedron model studied previously is proposed and its compressibility property is analyzed in detail through theoretical modeling. The specific conditions for the model to obtain negative compressibility are given in the discussion of on‐axis mechanical properties. The study about off‐axis compressibility shows that in addition to the geometric features, the measuring direction of compressibility and the arrangement of framework may also have a great influence on negative compressibility effect of the model.

中文翻译：

铰链式酒架机理构建的单斜八面体模型的负压缩性

到目前为止，晶体系统的概念启发了许多具有负可压缩性的3D模型，它们是具有周期阵列的细胞模型，可以称为正交模型或四边形模型。因此，可以开发出一种更有效的方法，通过更改现有模型的系统类型来设计具有负可压缩性的3D模型。本文提出了一种基于先前研究的四边形八面体模型的单斜面八面体模型，并通过理论建模对其可压缩性进行了详细分析。在讨论轴向机械性能时，给出了获得负压缩性的模型的特定条件。有关离轴可压缩性的研究表明，除了几何特征外，

更新日期：2020-09-03

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