Journal ArticleDOI
Spin polarization and Gilbert damping of Co2Fe(GaxGe1−x) Heusler alloys
B. S. D. Ch. S. Varaprasad,Ashok Srinivasan,Ashok Srinivasan,Yukiko Takahashi,Masamitsu Hayashi,A. Rajanikanth,Kazuhiro Hono +6 more
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TLDR
The spin polarization of ferromagnetic Heusler alloys, Co 2 Fe(Ga x Ge 1−x ) ( x ǫ = 0, 0.75, and 1), is investigated by point contact Andreev reflection (PCAR) measurements as discussed by the authors.About:
This article is published in Acta Materialia.The article was published on 2012-10-01. It has received 105 citations till now. The article focuses on the topics: Half-metal & Spin polarization.read more
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Crystalline and magnetic structures and ferromagnetic resonance study of Ni-Co-Mn-Ge Heusler alloy system
Yunli Xu,Yunli Xu,Chengchao Xu,Dongchao Yang,Ruixin Zhang,Huang Xiufeng,Yong Jiang,Guanghua Yu,Pan Liqing +8 more
TL;DR: In this article, a series of (Ni0.2Co0.8)2MnGe alloys were synthesized by arc melting, and high-resolution transmission-electron-microscopy studies confirmed the Heusler L21 structure of the alloys.
Journal ArticleDOI
Effect of High Pressure and Temperature on Structural, Thermodynamic and Thermoelectric Properties of Quaternary CoFeCrAl Alloy
TL;DR: In this paper, the structural, magneto-electronic, thermoelectric and thermodynamic properties of quaternary Heusler alloy CoFeCrAl have been investigated.
Journal ArticleDOI
Effects of the atomic order on the half-metallic electronic structure in the C o 2 Fe (G a 0.5 G e 0.5 ) Heusler alloy thin film
K. Goto,K. Goto,Loku Singgappulige Rosantha Kumara,Yuya Sakuraba,Yoshio Miura,Ivan Kurniawan,Ivan Kurniawan,Akira Yasui,Hiroo Tajiri,Y. Fujita,Z. Chen,Z. Chen,Kazuhiro Hono,Kazuhiro Hono +13 more
TL;DR: In this article, the atomic ordering and its effect on the electronic structure of half-metallic Heusler alloys as spin-polarized electron sources were investigated. But the experimental results were limited to 30 min.
Journal ArticleDOI
Magnetoelastic interactions and magnetic damping in Co2Fe0.4Mn0.6Si and Co2FeGa0.5Ge0.5 Heusler alloys thin films for spintronic applications
O. M. Chumak,Adam Pacewicz,Artem Lynnyk,Bartlomiej Salski,Tae Yamamoto,Takeshi Seki,Jaroslaw Z. Domagala,H. Głowiński,Kensaku Takanashi,Lech T. Baczewski,H. Szymczak,Adam Nabiałek +11 more
TL;DR: In this paper, the authors investigated epitaxial CFMS and CFGG Heusler alloys thin films of thickness in the range of 15-50nm and determined the magnetoelastic tensor components and magnetic damping parameters as a function of the magnetic layer thickness.
References
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Journal ArticleDOI
Generalized Gradient Approximation Made Simple
TL;DR: A simple derivation of a simple GGA is presented, in which all parameters (other than those in LSD) are fundamental constants, and only general features of the detailed construction underlying the Perdew-Wang 1991 (PW91) GGA are invoked.
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Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study
Sergei L. Dudarev,Gianluigi A. Botton,Sergey Y. Savrasov,Colin J. Humphreys,Adrian P. Sutton +4 more
TL;DR: In this article, the authors improved the description of both electron energy loss spectra and parameters characterizing the structural stability of the material compared with local spin density functional theory by taking better account of electron correlations in the $3d$ shell of metal ions in nickel oxide.
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New Class of Materials: Half-Metallic Ferromagnets
TL;DR: The band structure of Mn-based Heusler alloys of the crystal structure (MgAgAs type) has been calculated with the augmented-spherical-wave method.
Journal Article
On the Theory of Ferromagnetic Resonance Absorption
TL;DR: The theory of ferromagnetic resonance absorption was extended in this paper to include the effect of the shape of the specimen and, in the case of a single crystal, of crystal orientation.
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Slater-Pauling behavior and origin of the half-metallicity of the full-Heusler alloys
TL;DR: In this article, the full-potential screened Korringa-Kohn-Rostoker method was used to study the half-metallic properties of Co, Fe, Rh, and Ru.