scholarly journals Diffusion of tellurium at nickel grain boundaries: a first-principles study

RSC Advances ◽  
2017 ◽  
Vol 7 (14) ◽  
pp. 8421-8428 ◽  
Author(s):  
C. Y. Wang ◽  
H. Han ◽  
D. Wickramaratne ◽  
W. Zhang ◽  
H. Wang ◽  
...  

The atomic structures, stabilities, segregation behaviors and diffusion barriers of Te are studied for the bulk, surfaces and four kinds of GBs of nickel. Te behavior is found to be very sensitive to the GB type. The effect of strain on diffusion is strong for different GBs.

2017 ◽  
Vol 19 (22) ◽  
pp. 14462-14470 ◽  
Author(s):  
F. Bianchini ◽  
H. Fjellvåg ◽  
P. Vajeeston

We present a DFT-based study of Na orthosilicates Na2MSIO4 (M = Mn, Fe, CO, Ni), promising novel cathode materials. The configuration space is explored, and the Na intercalation potential and diffusion barriers are calculated.


2018 ◽  
Vol 10 (6) ◽  
pp. 5373-5384 ◽  
Author(s):  
Sankha Mukherjee ◽  
Avinav Banwait ◽  
Sean Grixti ◽  
Nikhil Koratkar ◽  
Chandra Veer Singh

Nanoscale ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 3918-3929 ◽  
Author(s):  
Pu Wang ◽  
Lin Xiong ◽  
Xiangxiang Sun ◽  
Zhongyun Ma ◽  
Yong Pei

The atomic structures of many atomically precise nanosized ligand protected gold clusters have been resolved recently.


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