Theoretical and experimental studies of Ba2SmTaO6 on crystal structure, electronic structure and optical properties

2018 ◽  
Vol 6 (7) ◽  
pp. 1806-1814
Author(s):  
Jiayi Zheng ◽  
Song Wang ◽  
Lihong Gao ◽  
Zhuang Ma ◽  
Fuchi Wang ◽  
...  

The crystal structure, electronic structure and optical properties of Ba2SmTaO6 have been studied by first-principles calculation, including GGA and GGA+U, as well as by experimental methods.

2011 ◽  
Vol 213 ◽  
pp. 483-486
Author(s):  
Fang Gui ◽  
Shi Yun Zhou ◽  
Wan Jun Yan ◽  
Chun Hong Zhang ◽  
Xiao Tian Guo ◽  
...  

The electronic structure and optical properties of Fe1-xMnxSi2 have been studied using the first principle plane-wave pseudo-potential based on the density function theory. Substitutional doping is considered with Mn concentrations of x=0.0625, 0.125, 0.1875 and 0.25, respectively. The calculated results show that the volume of β-FeSi2 increase and the band gap increase with increasing of Mn.


2008 ◽  
Vol 25 (10) ◽  
pp. 3735-3738 ◽  
Author(s):  
Zhang Fu-Chun ◽  
Zhang Zhi-Yong ◽  
Zhang Wei-Hu ◽  
Yan Jun-Feng ◽  
Yun Jiang-Ni

2005 ◽  
Vol 44 (3) ◽  
pp. 281-286 ◽  
Author(s):  
M. Sahnoun ◽  
C. Daul ◽  
J. C. Parlebas ◽  
C. Demangeat ◽  
M. Driz

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