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Related papers: Ferromagnetic structures in Mn2CoGa and Mn2CoAl do…

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The ferromagnetic Heusler alloy $Ni_2MnGa$ had been of major interest in the past few years because of its magnetic properties which can be easily tuned. The $Ni_2MnGa$ Heusler alloys are intermetallic alloy with $L2_1$ structure. Here we…

Materials Science · Physics 2023-01-31 Karunakaran M , Rudra Banerjee

Half-metallic antiferromagnets are the ideal materials for spintronic applications since their zero magnetization leads to lower stray fields and thus tiny energy losses. Starting from the Mn$_2$VAl and Mn$_2$VSi alloys we substitute Co or…

Materials Science · Physics 2007-09-01 I. Galanakis , K. Ozdogan , E. Sasioglu , B. Aktas

Half-metallic ferromagnetic full-Heusler alloys containing Co and Mn, having the formula Co$_2$MnZ where Z a sp element, are among the most studied Heusler alloys due to their stable ferromagnetism and the high Curie temperatures which they…

Materials Science · Physics 2007-09-01 K. Ozdogan , I. Galanakis , E. Sasioglu , B. Aktas

First principles density functional theory based calculations have been carried out to predict the effects of Mn replacement by Fe and Cr on electronic as well as magnetic properties of Pt$_{2}$MnGa as well as Ni$_{2}$MnGa. All the…

Materials Science · Physics 2017-08-02 Tufan Roy , Aparna Chakrabarti

We have studied in details the electronic structure and magnetism in M (Mn and Cr) doped semiconducting half-Heusler compounds FeVSb, CoTiSb and NiTiSn (XM$_{x}$Y$_{1-x}$Z) in a wide concentration range using local-spin density functional…

Materials Science · Physics 2007-05-23 B. R. K. Nanda , I. Dasgupta

Structural and magnetic properties of the doped terbium manganites (Tb,A)MnO3 (A = Gd, Dy and Ho) have been investigated using first-principles calculations and further confirmed by subse- quent experimental studies. Both computational and…

Materials Science · Physics 2015-07-14 Vinit Sharma , A. McDannald , M. Staruch , R. Ramprasad , M. Jain

Effect of Co substitution on Mn$_3$Ga is investigated using first-principles study for structural and magnetic properties. Without Co, ferrimagnetic Heusler compound Mn3Ga is in tetragonal phase. With Co substitution, depending on Co…

Materials Science · Physics 2023-03-22 Quynh Anh T. Nguyen , Thi H. Ho , Myung-Hwa Jung , Sonny H. Rhim

The all-d-metal Mn2-based Heusler ferromagnetic shape memory alloys Mn50Ni40-xCoxTi10 (x = 8 and 9.5) are realized. With a generic comparison between d-metal Ti and main-group elements in lowering the transformation temperature, the…

Materials Science · Physics 2016-08-24 Z. Y. Wei , E. K. Liu , Y. Li , X. L. Han , Z. W. Du , H. Z. Luo , G. D. Liu , X. K. Xi , H. W. Zhang , W. H. Wang , G. H. Wu

We have investigated electronic structures and magnetic properties of potential ZnO based diluted magnetic semiconductors: (Fe, Co) and (Fe, Cu) codoped ZnO. The origins of ferromagnetism are shown to be different between two. (Fe, Co)…

Materials Science · Physics 2016-08-31 Min Sik Park , B. I. Min

In this work, a systematic ab initio study of the influence of doping on electronic structure and local magnetic moments of ferromagnetic MnAs has been carried out. The majority of the considered substitution elements, potentially suitable…

Materials Science · Physics 2012-11-30 A. V. Golovchan , I. F. Gribanov

(Fe,Co)$_2$B-based compounds with specified 5$d$ substitutions are considered as promising materials for permanent magnets without rare-earth elements. We conducted a combined first-principles and experimental study focused on…

By using a multiscale approach based on first-principles density functional theory combined with atomistic spin dynamics, we investigate the electronic structure and magnetization dynamics of an inverse Heusler and a Heusler compound and…

Materials Science · Physics 2018-02-21 R. Chimata , E. K. Delczeg-Czirjak , J. Chico , M. Pereiro , B. Sanyal , O. Eriksson , D. Thonig

The Heusler alloys Fe2NiZ (Z=Al, Ga, Si and Ge) have been synthesized and investigated focusing on the phase stability and the magnetic properties. The experimental and theoretical results reveal the covalent bonding originated from p-d…

Materials Science · Physics 2013-07-12 Y. J. Zhang , W. H. Wang , H. G. Zhang , E. K. Liu , R. S. Ma , G. H. Wu

Effects of alloying on the electronic and magnetic properties of Mn$_{x}$Co$_{y}$ ($x+y$=$n$=2-5; $x$=0-$n$) and Mn$_2$Co$_{11}$ nanoalloy clusters are investigated using the density functional theory (DFT). Unlike the bulk alloy, the…

Atomic and Molecular Clusters · Physics 2008-07-24 Shreemoyee Ganguly , Mukul Kabir , Soumendu Datta , Biplab Sanyal , Abhijit Mookerjee

The electronic band structures, density of states plots and magnetic moments of Fe$_{2 }$MnSi, Fe$_{2 }$MnAl, and Co$_{2 }$MnGe are studied by using the first principles calculations. The FM solutions using LSDA without \textit{U} show the…

Materials Science · Physics 2014-06-16 Sonu Sharma , Sudhir K. Pandey

Ab initio calculation results for the electronic structure of disordered bcc Fe(x)Al(1-x) (0.4<x<0.75), Co(x)Al(1-x) and Ni(x)Al(1-x) (x=0.4; 0.5; 0.6) alloys near the 1:1 stoichiometry, as well as of the ordered B2 (FeAl, CoAl, NiAl)…

Materials Science · Physics 2009-10-30 N. I. Kulikov , A. V. Postnikov , G. Borstel , J. Braun

The electronic structure and intrinsic magnetic properties of $\text{Fe}_2\text{AlB}_2$-related compounds and their alloys have been investigated using density functional theory. For $\text{Fe}_2\text{AlB}_2$, the crystallographic $a$ axis…

Materials Science · Physics 2017-03-22 Liqin Ke , Bruce N. Harmon , Matthew J. Kramer

Magnetic and electronic transport properties of Co$_2$MnZ (Z = Al, Ga, Ge, Si, Sn) Heusler alloys were experimentally investigated. Electrical resistivity, in the temperature range from 4.2 to 300 K, as well as field dependences of the Hall…

Using a state-of-the-art full-potential electronic structure method within the local spin density approximation, we study the electronic and magnetic structure of Mn$_2$V-based full Heusler alloys: Mn$_2$VZ (Z=Al, Ga, In, Si, Ge, and Sn).…

Materials Science · Physics 2007-05-23 K Ozdogan , I Galanakis , E Sasioglu , B Aktas

Differential scanning calorimetry (DSC) and magnetic measurements were performed to study the influence of ferromagnetic 3-d transition elements Fe and Co on structural and magnetic properties of ferromagnetic shape memory alloys Ni2MnGa.…

Materials Science · Physics 2007-05-23 V. V. Khovailo , T. Abe , V. V. Koledov , M. Matsumoto , H. Nakamura , R. Note , M. Ohtsuka , V. G. Shavrov , T. Takagi
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