Pressure and disorder effects on the half-metallic character and magnetic properties of the full-Heusler alloy Co2FeSi

2014 ◽  
Vol 75 (3) ◽  
pp. 391-396 ◽  
Author(s):  
Xingfeng Zhu ◽  
Yaxu Wang ◽  
Lu Wang ◽  
Yafei Dai ◽  
Chenglin Luo
Keyword(s):  
Magnetic Properties ◽  
Heusler Alloy ◽  
Half Metallic ◽  
Disorder Effects ◽  
Metallic Character ◽  
Full Heusler

scholarly journals Pressure dependent half-metallic ferromagnetism in inverse Heusler alloy Fe2CoAl: a DFT+U calculations

RSC Advances ◽  
2020 ◽  
Vol 10 (73) ◽  
pp. 44633-44640
Author(s):  
D. P. Rai ◽  
Lalrinkima ◽  
Lalhriatzuala ◽  
L. A. Fomin ◽  
I. V. Malikov ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Curie Temperature ◽  
First Principles ◽  
Heusler Alloy ◽  
Computational Method ◽  
Half Metallic ◽  
Electronic And Magnetic Properties ◽  
Full Heusler ◽  
Metallic Ferromagnetism ◽  
Half Metallic Ferromagnetism

We report the electronic and magnetic properties along with the Curie temperature (TC) of the inverse full Heusler alloy (HA) Fe2CoAl obtained using the first-principles computational method.

scholarly journals Structural stability, electronic structure and magnetic properties of the new hypothetical half-metallic ferromagnetic full-Heusler alloy CoNiMnSi

2016 ◽  
Vol 34 (1) ◽  
pp. 85-93 ◽  
Author(s):  
M.H. Elahmar ◽  
H. Rached ◽  
D. Rached ◽  
S. Benalia ◽  
R. Khenata ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Structural Stability ◽  
Heusler Alloy ◽  
Correlation Energy ◽  
Lattice Parameter ◽  
Energy Functional ◽  
Full Potential ◽  
Generalized Gradient ◽  
Half Metallic ◽  
Full Heusler

AbstractWe investigated the structural stability as well as the mechanical, electronic and magnetic properties of the Full-Heusler alloy CoNiMnSi using the full-potential linearized augmented plane wave (FP-LAPW) method. Two generalized gradient approximations (GGA and GGA + U) were used to treat the exchange-correlation energy functional. The ground state properties of CoNiMnSi including the lattice parameter and bulk modulus were calculated. The elastic constants (Cij) and their related elastic moduli as well as the thermodynamic properties for CoNiMnSi have been calculated for the first time. The existence of half-metallic ferromagnetism (HM-FM) in this material is apparent from its band structure. Our results classify CoNiMnSi as a new HM-FM material with high spin polarization suitable for spintronic applications.

scholarly journals Theoretical Investigation of Electronic Structures, Elastic, and Magnetic Properties of Rh2CrGe Full-Heusler Alloy

2019 ◽  
Vol 136 (3) ◽  
pp. 454-459
Author(s):  
M. Mebrek ◽  
A. Mokaddem ◽  
F. Bouasria ◽  
B. Doumi ◽  
A. Mir ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Theoretical Investigation ◽  
Electronic Structures ◽  
Heusler Alloy ◽  
Full Heusler

Two-dimensional FeTe2 and predicted Janus FeXS (X: Te and Se) monolayers with intrinsic half-metallic character: Tunable electronic and magnetic properties via strain and electric field

2021 ◽  
Author(s):  
Asadollah Bafekry ◽  
M. Faraji ◽  
Siavash Karbasizadeh ◽  
Abdolhosseini Sarsari Sarsari ◽  
Hamad R. Jappor ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Electric Field ◽  
Dynamical Stability ◽  
Two Dimensional ◽  
Half Metallic ◽  
Electronic And Magnetic Properties ◽  
Metallic Character

Driven by the fabrication of bulk and monolayer FeTe2 ACS Nano 2020, 14, 9, 11473-11481], we explore the lattice, dynamical stability, electronic and magnetic properties of FeTeS and FeSeS Janus...

Peculiar Magnetic Properties of the Half-metallic Co2CrAl Heusler Alloy

2011 ◽  
Vol 59 (5) ◽  
pp. 3064-3068 ◽  
Author(s):  
Ki Won Kim ◽  
Joo Yull Rhee ◽  
Yury V. Kudryavtsev ◽  
Valery G. Prokhorov ◽  
Jung Myong Kim ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Heusler Alloy ◽  
Half Metallic

Ferromagnetic Material of the Nearly Half-Metallic Alloy Co2TiGa

2013 ◽  
Vol 690-693 ◽  
pp. 590-593 ◽  
Author(s):  
Hong Pei Han
Keyword(s):  
Spin Polarization ◽  
Heusler Alloy ◽  
Ferromagnetic Material ◽  
Full Potential ◽  
Half Metallic ◽  
Augmented Plane Wave ◽  
Plane Wave Method ◽  
Linearized Augmented Plane Wave ◽  
Full Heusler ◽  
Metallic Ferromagnetism

The structure, electronic and magnetic properties of full-Heusler alloy Co2TiGa are investigated by means of the full potential linearized augmented plane-wave method. Our results show that the ground state of Co2TiGa is of the nearly half-metallic ferromagnetism with a magnetic moment of 1.00218μBper unit cell, which are contributed by the atoms Co and Ti. Meanwhile, the spin polarization around the Fermi level is up to 93.2%, almost 100%, which indicates that full-Heusler alloy Co2TiGa with the well magnetism and spin polarization would be possibly applied to the field of the material engineering and information technology.

Electronic and Magnetic Properties of Half Metallic Heusler Alloy Co2mnsi: A First-Principles Study

2017 ◽  
pp. 31-36
Author(s):  
Prakash Sharma ◽  
Gopi Chandra Kaphle
Keyword(s):  
Magnetic Properties ◽  
Magnetic Moment ◽  
Heusler Alloy ◽  
Density Functional ◽  
Heusler Alloys ◽  
Tight Binding ◽  
Lattice Parameter ◽  
Half Metallic ◽  
Electronic And Magnetic Properties ◽  
Sphere Approximation

Heusler alloys have been of great interest because of their application in the field of modern technological word. Electronic and magnetic properties of Co, Mn, Si and the Heusler alloy Co2MnSi have been studied using Density functional theory based Tight Binding Linear Muffin Tin Orbital with Atomic Sphere Approximation (TB-LMTO-ASA) approach. From the calculation lattice parameter of optimized structure of Co, Mn, Si and Co2MnSi are found to be 2.52A0 , 3.49A0 , 5.50A0 , 5.53A0 respectively. Band structure calculations show that Co and Mn are metallic, Si as semi-conducting while the Heusler alloy Co2MnSi as half-metallic in nature with band gap 0.29eV. The charge density plot indicates major bonds in Co2MnSi are ionic in nature. Magnetic property has been studied using the density of states (DOS), indicating that Co and Co2MnSi are magnetic with magnetic moment 2.85μB and 4.91μB respectively. The contribution of orbitals in band, DOS and magnetic moment are due to d-orbitals of Co and Mn and little from s and p-orbital of Si in Co2MnSi.The Himalayan Physics Vol. 6 & 7, April 2017 (31-36)

Magnetic properties of epitaxial Co/sub 2/Cr/sub 1-x/Fe/sub x/Al full Heusler alloy thin films with the L2/sub 1/ structure

2005 ◽  
Vol 41 (10) ◽  
pp. 2802-2804 ◽  
Author(s):  
A. Hirohata ◽  
H. Kurebayashi ◽  
S. Okamura ◽  
N. Tezuka ◽  
K. Inomata
Keyword(s):  
Thin Films ◽  
Magnetic Properties ◽  
Heusler Alloy ◽  
Full Heusler

Structural and Magnetic Study on the Effect of Substitution of Cobalt by d-Valent Elements of Co2FeSi Heusler Alloy

2016 ◽  
Vol 708 ◽  
pp. 37-41
Author(s):  
Muhammad Noor Syazwan Saimin ◽  
Siti Sumaiyah Sheikh Abdul Aziz ◽  
A.M.M. Ali ◽  
Oskar Hasdinor Hassan ◽  
Muhd Zu Azhan Yahya ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Electronic Structure ◽  
Band Structure ◽  
Fermi Level ◽  
Density Of States ◽  
Magnetic Moment ◽  
Local Magnetic Moment ◽  
Half Metallic ◽  
New States ◽  
Full Heusler

In this paper, the effect of substitution of Co by d-valent elements such as Ag and Pt on electronic structure and magnetic properties of full Heusler type Co2FeSi alloys was investigated. Structural study reveals the presence of a small gap in the minority band structure around the vicinity of the Fermi level on Co2FeSi resulting to half-metallic behaviour. However, CoFeSiAg and CoFeSiPt cannot preserved the half-metalicity due to disappearing of the gap in the minority band structure due to the creation of new states around the Fermi level in the minority density of states. The variation in the magnetic moment of Co2FeSi with change of the atoms was attributed to the change in the local magnetic moment of atoms.

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