High-performance III–VI monolayer transistors for flexible devices

2020 ◽  
Vol 22 (13) ◽  
pp. 7039-7047 ◽  
Author(s):  
Jianhui Chen ◽  
Shuchang Cai ◽  
Rui Xiong ◽  
Baisheng Sa ◽  
Cuilian Wen ◽  
...  

The mechanical properties of group III–VI monolayers and sub-10 nm scale device performance of corresponding MOSFETs have been investigated by using density functional theory calculations as well as ab initio quantum transport simulations.

Nanoscale ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 145-157 ◽  
Author(s):  
Karolina Z. Milowska ◽  
Marek Burda ◽  
Lidia Wolanicka ◽  
Paul D. Bristowe ◽  
Krzysztof K. K. Koziol

Density functional theory calculations supported by sonication experiments show that nitrogen doping of CNTs can effectively improve adhesion between them and the Cu matrix, and hence the mechanical properties and most importantly the electrical performance of the composite.


2009 ◽  
Vol 24 (10) ◽  
pp. 3165-3173 ◽  
Author(s):  
Yongli Liu ◽  
Hong Li ◽  
Shaoqing Wang ◽  
Hengqiang Ye

Nb can improve the oxidation resistance of TiAl; however, the reported concomitant effects on the mechanical properties are controversial. Therefore, the effect of different Nb additions (0∼20.83 at.% Nb) on the lattice distortion as well as dislocation nucleation and mobility of TiAl were examined by density-functional theory calculations to solve the puzzle. The calculation of the formation energy and c/a ratio showed that Nb slightly decreases the phase stability and enhances the anisotropy. The variation of shearing energy barrier demonstrates an interesting staged strengthening effect of Nb on TiAl. Further analyses of the charge density difference and the partial density of states reveal that the physical origination is the electronic anisotropy, which is correlated with the Nb content and distribution.


Nanoscale ◽  
2021 ◽  
Author(s):  
Huilong Dong ◽  
Cai Ning ◽  
Gang Yang ◽  
Hongmei Ji ◽  
Youyong Li

High-performance cathode catalysts are always desirable for nonaqueous lithium-oxygen (Li-O2) batteries. Using density functional theory calculations, the structural, electronic and magnetic properties of SSX-Gr with different C/X ratios are systematically...


2015 ◽  
Vol 17 (25) ◽  
pp. 16351-16358 ◽  
Author(s):  
Weiyang Yu ◽  
Zhili Zhu ◽  
Chun-Yao Niu ◽  
Chong Li ◽  
Jun-Hyung Cho ◽  
...  

Using first-principles density functional theory calculations, we investigate the geometries, electronic structures, and thermodynamic stabilities of substitutionally doped phosphorene sheets with group III, IV, V, and VI elements.


Sign in / Sign up

Export Citation Format

Share Document