scholarly journals Evidence for the existence of Li2S2 clusters in lithium–sulfur batteries: ab initio Raman spectroscopy simulation

2015 ◽  
Vol 17 (34) ◽  
pp. 22009-22014 ◽  
Author(s):  
Pouya Partovi-Azar ◽  
Thomas D. Kühne ◽  
Payam Kaghazchi

Using density functional theory calculations and ab initio molecular dynamics simulations, we have observed a clear evidence of Li2S4 → Li2S2 transition by studying systematic changes in the simulated Raman spectra of (Li2S4)n, n = 1, 4, and 8, towards that of (Li2S2)8.

Author(s):  
Lijuan Meng ◽  
Jinlian Lu ◽  
Yujie Bai ◽  
Lili Liu ◽  
Tang Jingyi ◽  
...  

Understanding the fundamentals of chemical vapor deposition bilayer graphene growth is crucial for its synthesis. By employing density functional theory calculations and classical molecular dynamics simulations, we have investigated the...


2018 ◽  
Vol 20 (36) ◽  
pp. 23717-23725 ◽  
Author(s):  
Vesa Hänninen ◽  
Garold Murdachaew ◽  
Gilbert M. Nathanson ◽  
R. Benny Gerber ◽  
Lauri Halonen

Ab initio molecular dynamics simulations of formic acid (FA) dimer colliding with liquid water at 300 K have been performed using density functional theory.


RSC Advances ◽  
2014 ◽  
Vol 4 (98) ◽  
pp. 55599-55603 ◽  
Author(s):  
Oleksandr I. Malyi ◽  
Vadym V. Kulish ◽  
Clas Persson

Using Born–Oppenheimer molecular dynamics simulations and “static” density functional theory calculations, reconstructions of the (001) α-quartz surface are studied in detail.


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