Effect of the Chalcogenide Element Doping on the Electronic Properties of Co2FeAl Heusler Alloys

2015 ◽  
Vol 45 (2) ◽  
pp. 1028-1034 ◽  
Author(s):  
Ting Huang ◽  
Xiao-min Cheng ◽  
Xia-wei Guan ◽  
Xiang-shui Miao
2017 ◽  
Vol 695 ◽  
pp. 2995-3001 ◽  
Author(s):  
Fanbin Meng ◽  
Hongyue Hao ◽  
Yuexing Ma ◽  
Xingmiao Guo ◽  
Hongzhi Luo

2020 ◽  
Vol 34 (07) ◽  
pp. 2050055 ◽  
Author(s):  
R. Murugeswari ◽  
M. Manikandan ◽  
R. Rajeswarapalanichamy ◽  
A. Milton Franklin Benial

The structural, elastic, magnetic and electronic properties of titanium-based alloys [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] are investigated by the first-principles calculations based on density functional theory using the Vienna ab-initio simulation code. The lattice constants of [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] alloys are optimized for the two possible structures such as [Formula: see text] and [Formula: see text]. It is found that at ambient pressure [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] alloys are stable in [Formula: see text]-type crystal structure. The total magnetic moments [Formula: see text] and the energy gap [Formula: see text] of [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] alloys are calculated for various pressures. The total magnetic moments of [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] alloys in [Formula: see text] structure follow the rule [Formula: see text] and agree with the Slater–Pauling (SP) curve quite well. In both structures [Formula: see text] and [Formula: see text], the calculated magnetic moment of [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] alloys decreases with increase in pressure. Density of states shows the metallic nature of [Formula: see text] [Formula: see text], [Formula: see text] and [Formula: see text] alloys in [Formula: see text] structure and half-metallic [Formula: see text] behavior in [Formula: see text] structure, i.e., majority spin channel is strongly metallic and the minority spin maintains the gap at the Fermi level at the equilibrium lattice constant.


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2012 ◽  
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V. Srinivas ◽  
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S. K. Srivastava

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2008 ◽  
Vol 403 (1) ◽  
pp. 200-206 ◽  
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