Vacancy-induced minority-spin states in half-metallic Heusler alloys

2007 ◽  
Vol 1 (5) ◽  
pp. 184-186 ◽  
Author(s):  
Kemal Özdoğan ◽  
Ersoy Şaşıoğlu ◽  
Iosif Galanakis
Keyword(s):  
Heusler Alloys ◽  
Spin States ◽  
Half Metallic ◽  
Minority Spin

scholarly journals Electron Correlations and the Minority-Spin Band Gap in Half-Metallic Heusler Alloys

2006 ◽  
Vol 96 (13) ◽  
Author(s):  
L. Chioncel ◽  
E. Arrigoni ◽  
M. I. Katsnelson ◽  
A. I. Lichtenstein
Keyword(s):  
Band Gap ◽  
Heusler Alloys ◽  
Electron Correlations ◽  
Half Metallic ◽  
Minority Spin

Possible half-metallic behavior of Co2−xCrxFeGe Heusler alloys: Theory and experiment

2021 ◽  
Vol 104 (1) ◽  
Author(s):  
R. Mahat ◽  
S. KC ◽  
U. Karki ◽  
J. Y. Law ◽  
V. Franco ◽  
...  
Keyword(s):  
Heusler Alloys ◽  
Metallic Behavior ◽  
Half Metallic ◽  
Theory And Experiment

scholarly journals The effect of pressure and alloying on half-metallicity of quaternary Heusler compounds CoMnYZ (Z = Al, Ga, and In)

2016 ◽  
Vol 34 (4) ◽  
pp. 905-915 ◽  
Author(s):  
M. Rahmoune ◽  
A. Chahed ◽  
A. Amar ◽  
H. Rozale ◽  
A. Lakdja ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Density Functional ◽  
Heusler Alloys ◽  
Band Gaps ◽  
Ferromagnetic Behavior ◽  
Full Potential ◽  
Energy Bands ◽  
Half Metallicity ◽  
Half Metallic ◽  
Electronic And Magnetic Properties

AbstractIn this work, first-principles calculations of the structural, electronic and magnetic properties of Heusler alloys CoMnYAl, CoMnYGa and CoMnYIn are presented. The full potential linearized augmented plane waves (FP-LAPW) method based on the density functional theory (DFT) has been applied. The structural results showed that CoMnYZ (Z = Al, Ga, In) compounds in the stable structure of type 1+FM were true half-metallic (HM) ferromagnets. The minority (half-metallic) band gaps were found to be 0.51 (0.158), 0.59 (0.294), and 0.54 (0.195) eV for Z = Al, Ga, and In, respectively. The characteristics of energy bands and origin of minority band gaps were also studied. In addition, the effect of volumetric and tetragonal strain on HM character was studied. We also investigated the structural, electronic and magnetic properties of the doped Heusler alloys CoMnYGa1−xAlx, CoMnYAl1−xInx and CoMnYGa1−xInx (x = 0, 0.25, 0.5, 0.75, 1). The composition dependence of the lattice parameters obeys Vegard’s law. All alloy compositions exhibit HM ferromagnetic behavior with a high Curie temperature (TC).

Tailoring the electronic structure of half-metallic Heusler alloys

2009 ◽  
Vol 80 (14) ◽  
Author(s):  
P. Klaer ◽  
M. Kallmayer ◽  
C. G. F. Blum ◽  
T. Graf ◽  
J. Barth ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Heusler Alloys ◽  
Half Metallic

scholarly journals Half-Metallic Ferrimagnetism in theTi2YAl (Y = Fe, Ni) Heusler Alloys

2018 ◽  
Vol 1081 ◽  
pp. 012008
Author(s):  
Mohamed Drief ◽  
Youcef Guermit ◽  
Nour-Eddine Benkhettou ◽  
Djamel Rached
Keyword(s):  
Heusler Alloys ◽  
Half Metallic
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