Large Thermal Conductivity Switch Ratio in Barium Titanate Under Electric Field through First-Principles Calculation

2018 ◽  
Vol 1 (12) ◽  
pp. 1800098 ◽  
Author(s):  
Chenhan Liu ◽  
Vivek Mishra ◽  
Yunfei Chen ◽  
Chris Dames
2021 ◽  
Vol 43 (6) ◽  
pp. 623-623
Author(s):  
Jingyi Shan Jingyi Shan ◽  
Xiangling Wang Xiangling Wang ◽  
Junkai Wang Junkai Wang ◽  
Shixuan Zhang Shixuan Zhang ◽  
Qianku Hu and Aiguo Zhou Qianku Hu and Aiguo Zhou

The selective adsorption and capture of CO2 from post-combustion gases carries huge significance for the reduction of greenhouse effect. In this research, the computations of density functional are performed to investigate the CO2 selective adsorption of S-doped graphene in thrall to applied electric field (E-F). Introducing the applied E-F, the adsorption between S-doped graphene and CO2 is strong chemisorption, and CO2 can be effectively captured. Removing the applied E-F, the adsorption restores to physisorption and CO2 is easily desorbed. Therefore, the CO2 seize and clearing can be realized merely by controlling the E-F. Besides, the adsorption energy of N2 (H2O) on S-decorated graphene is positive when introduce the applied E-F. The results demonstrated that S-doped graphene can selectively adsorb CO2 from the post-combustion gases by controlling the E-F.


2020 ◽  
Vol 384 (30) ◽  
pp. 126751
Author(s):  
Chao Wu ◽  
Chenhan Liu ◽  
Yi Tao ◽  
Yan Zhang ◽  
Yunfei Chen

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