Structural, Magnetic, and Band Structure Characteristics of the Half-Metal–Type Heusler Alloys Co2VSi1−xAlx (x = 0, 0.25, 0.5, 0.75, and 1)

2019 ◽  
Vol 33 (4) ◽  
pp. 1177-1186 ◽  
Author(s):  
Ali Bentouaf ◽  
Farida Bouras ◽  
Rezki Mebsout ◽  
Brahim Aïssa
Materia Japan ◽  
2010 ◽  
Vol 49 (10) ◽  
pp. 462-470 ◽  
Author(s):  
Rie Y. Umetsu ◽  
Akinari Okubo ◽  
Ryosuke Kainuma ◽  
Kiyohito Ishida

2004 ◽  
Vol 85 (20) ◽  
pp. 4684-4686 ◽  
Author(s):  
K. Kobayashi ◽  
R. Y. Umetsu ◽  
R. Kainuma ◽  
K. Ishida ◽  
T. Oyamada ◽  
...  

2019 ◽  
Vol 34 (02) ◽  
pp. 2050028 ◽  
Author(s):  
H. Abbassa ◽  
A. Labdelli ◽  
S. Meskine ◽  
Y. Benaissa Cherif ◽  
A. Boukortt

First-principles calculations based on density functional theory (DFT) confirm the half-metallic ferromagnetism in both [Formula: see text] and [Formula: see text], and the nearly half-metallic ferromagnetism in [Formula: see text] Heusler alloys with the [Formula: see text]-type structure [Formula: see text]. The electronic band structures and density of states (DOS) calculations of the [Formula: see text] and [Formula: see text] compounds show that the spin-up electrons are metallic, whereas the spin-down bands are semiconducting with a gap of 0.47 eV and 0.53 eV, respectively, with 0.21 eV and 0.36 eV as a spin-flip gap, respectively. The [Formula: see text] and [Formula: see text] Heusler were half-metal compounds with magnetic moment of [Formula: see text] and [Formula: see text] at the equilibrium lattice constants [Formula: see text] Å and [Formula: see text] Å, respectively, which agrees with the Slater–Pauling rule, and have 100% polarization for a wide range of lattice parameters. The [Formula: see text] is a nearly half-metal (NHF) compound with magnetic moment of [Formula: see text] and 92.9% polarization at the equilibrium lattice constants [Formula: see text] Å and acquire half-metal behavior under the pressure 16.70 GPa.


2017 ◽  
Vol 46 (48) ◽  
pp. 17053-17060 ◽  
Author(s):  
Vijayakumar Sajitha Aswathy ◽  
Cheriyedath Raj Sankar ◽  
Manoj Raama Varma ◽  
Abdeljalil Assoud ◽  
Mario Bieringer ◽  
...  

The layered chalcogenides, TlScQ2 (Q = Se, Te), possess intriguing band structure characteristics and very low thermal conductivity.


2006 ◽  
Vol 74 (10) ◽  
Author(s):  
Benjamin Balke ◽  
Gerhard H. Fecher ◽  
Hem C. Kandpal ◽  
Claudia Felser ◽  
Keisuke Kobayashi ◽  
...  
Keyword(s):  

2017 ◽  
Vol 55 (2) ◽  
pp. 211-217 ◽  
Author(s):  
Diana Dahliah ◽  
M. Abu-Jafar ◽  
R. Khenata ◽  
Ahmad Mousa ◽  
Raed Jaradat ◽  
...  

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