Single-Layer BI: A Multifunctional Semiconductor with Ferroelectricity, Ultrahigh Carrier Mobility, and Negative Poisson’s Ratio

2021 ◽  
Vol 15 (1) ◽  
Author(s):  
Shiying Shen ◽  
Qian Wu ◽  
Yan Liang ◽  
Baibiao Huang ◽  
Ying Dai ◽  
...  
Keyword(s):  
Poisson’S Ratio ◽  
Carrier Mobility ◽  
Single Layer ◽  
Poisson's Ratio ◽  
Negative Poisson’S Ratio ◽  
Negative Poisson's Ratio

Two-dimensional IV–VI materials with in-plane negative Poisson's ratio and anisotropic carrier mobility

2020 ◽  
Vol 8 (30) ◽  
pp. 10382-10389
Author(s):  
Tao Jing ◽  
Dongmei Liang ◽  
Mingsen Deng ◽  
Shaohong Cai
Keyword(s):  
Poisson’S Ratio ◽  
Carrier Mobility ◽  
Poisson's Ratio ◽  
Negative Poisson’S Ratio ◽  
Two Dimensional ◽  
Mechanical Behaviors ◽  
2D Semiconductors ◽  
Potential Applications ◽  
Negative Poisson's Ratio

Two-dimensional (2D) semiconductors with novel mechanical behaviors and electronic features are highly sought for a variety of potential applications.

scholarly journals Intrinsic Negative Poisson’s Ratio for Single-Layer Graphene

Nano Letters ◽  
2016 ◽  
Vol 16 (8) ◽  
pp. 5286-5290 ◽  
Author(s):  
Jin-Wu Jiang ◽  
Tienchong Chang ◽  
Xingming Guo ◽  
Harold S. Park
Keyword(s):  
Poisson’S Ratio ◽  
Single Layer ◽  
Poisson's Ratio ◽  
Single Layer Graphene ◽  
Negative Poisson’S Ratio ◽  
Layer Graphene ◽  
Negative Poisson's Ratio

Free vibration and sound insulation of functionally graded honeycomb sandwich plates

2021 ◽  
pp. 109963622110204
Author(s):  
Fenglian Li ◽  
Wenhao Yuan ◽  
Chuanzeng Zhang
Keyword(s):  
Free Vibration ◽  
Poisson’S Ratio ◽  
Functionally Graded ◽  
Poisson's Ratio ◽  
Dynamic Equations ◽  
Sound Insulation ◽  
Sandwich Plates ◽  
Negative Poisson’S Ratio ◽  
Honeycomb Sandwich ◽  
Negative Poisson's Ratio

Based on the hyperbolic tangent shear deformation theory, free vibration and sound insulation of two different types of functionally graded (FG) honeycomb sandwich plates with negative Poisson’s ratio are studied in this paper. Using Hamilton’s principle, the vibration and vibro-acoustic coupling dynamic equations for FG honeycomb sandwich plates with simply supported edges are established. By applying the Navier’s method and fluid–solid interface conditions, the derived governing dynamic equations are solved. The natural frequencies and the sound insulation of FG honeycomb sandwich plates obtained in this work are compared with the numerical results by the finite element simulation. It is proven that the theoretical models for the free vibration and the sound insulation are accurate and efficient. Moreover, FG sandwich plates with different honeycomb cores are investigated and compared. The corresponding results show that the FG honeycomb core with negative Poisson’s ratio can yield much lower frequencies. Then, the influences of various geometrical and material parameters on the vibration and sound insulation performance are systematically analyzed.

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