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Negative Compressibility in Hexagonal and Trigonal Models Constructed by Hinging Wine‐Rack Mechanism
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.5 ) Pub Date : 2021-02-09 , DOI: 10.1002/pssb.202000568
Meng Ma 1 , Xiaoqin Zhou 1 , Qiang Liu 1 , Rongqi Wang 1 , Ziyu Song 1
Affiliation  

In our previous work, a monoclinic octahedron model based on the tetragonal octahedron model for the negative compressibility property was analyzed. To design a larger number of new models with greater negative compressibility property, an extensive study to propose the hexagonal and trigonal models constructed by a hinging wine‐rack mechanism is now conducted, according to the concept of the crystal system and the method to design new models by changing the system of models. The compressibility properties through theoretical modeling are analyzed, and the results show that the two models exhibit negative compressibility. Further analysis indicates that the two models have strong similarity with the tetragonal model, which can be analyzed uniformly, and the trigonal model has the greatest negative compressibility property among the three models, irrespective of the on‐axis or off‐axis compressibility property. Finally, owing to the particularity of the space configuration for the hexagonal and trigonal models, a series of new models with different spatial arrangements are proposed, which can greatly increase the number of models with negative compressibility.

中文翻译:

铰接酒架机制构建的六边形和三角形模型的负压缩性

在我们以前的工作中,分析了基于四边形八面体模型的负斜率特性的单斜面八面体模型。为了设计更多具有更高负压缩性的新模型,现在根据晶体系统的概念和设计新模型的方法,进行了广泛的研究,以提出通过铰接式酒架机制构建的六边形和三角形模型。通过更改模型系统来创建模型。通过理论建模对可压缩性进行了分析,结果表明两个模型均表现出负的可压缩性。进一步的分析表明,这两个模型与四边形模型具有很强的相似性,可以对它们进行统一分析,并且三边形模型在这三个模型中具有最大的负可压缩性,与轴上或轴外的可压缩性无关。最后,由于六边形和三角形模型空间结构的特殊性,提出了一系列具有不同空间排列的新模型,可以大大增加具有负压缩性的模型的数量。
更新日期:2021-02-09
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