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Related papers: Structure and magnetic order in Fe2+xV1-xAl

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We have investigated the magnetic ground state of the antiferromagnetic Kondo-lattice compounds CeMAl$_{4}$Si$_{2}$ (M = Rh, Ir) using neutron powder diffraction. Although both of these compounds show two magnetic transitions $T_{N1}$ and…

Strongly Correlated Electrons · Physics 2015-06-03 N. J. Ghimire , S. Calder , M. Janoschek , E. D. Bauer

The elastic and magnetic properties, thermodynamical stability, deviation from stoichiometry and order/disorder transformations of phases that are relevant to Be alloys were investigated using density functional theory simulations coupled…

Materials Science · Physics 2015-04-01 Patrick A. Burr , Simon C. Middleburgh , Robin W. Grimes

The magnetic properties of $\alpha$-NaFeO$_2$ are studied by neutron diffraction and magnetization measurements. An ordered phase with spins aligned along the b$_hex$ axis exists at low temperatures (T < 4 K). At intermediate temperatures…

Strongly Correlated Electrons · Physics 2009-02-02 T. M. McQueen , Q. Huang , J. W. Lynn , R. F. Berger , T. Klimczuk , B. G. Ueland , P. Schiffer , R. J. Cava

We present a study of the electronic structure and magnetism of Co$_2$MnAl, CoMnVAl and their heterostructure. We employ a combination of density-functional theory and dynamical mean-field theory (DFT+DMFT). We find that Co$_2$MnAl is a…

Materials Science · Physics 2018-01-12 Igor Di Marco , Andreas Held , Samara Keshavarz , Yaroslav O. Kvashnin , Liviu Chioncel

Fe-Co alloys with induced tetragonal strain are promising materials for rare-earth-free permanent magnets. However, as ultrathin-film studies have shown, tetragonal Fe-Co structures tend to a rapid relaxation toward a cubic structure as the…

Materials Science · Physics 2025-02-10 Wojciech Marciniak , Mirosław Werwiński

The interplay and coexistence of superconducting, magnetic and structural order parameters in NaFe{1-x}Co{x}As has been studied using SQUID magnetometry, muon-spin rotation and synchrotron x-ray powder diffraction. Substituting Fe by Co…

The magnetic structure of superconducting Eu(Fe0.82Co0.18)2As2 is unambiguously determined by single-crystal neutron diffraction. A long-range ferromagnetic order of the Eu2+ moments along the c-direction is revealed below the magnetic…

Superconductivity · Physics 2014-05-06 W. T. Jin , S. Nandi , Y. Xiao , Y. Su , O. Zaharko , Z. Guguchia , Z. Bukowski , S. Price , W. H. Jiao , G. H. Cao , Th. Brueckel

FeCl2 is a promising single-layer material with sizeable magnetic susceptibility and insulating character that can be easily grown by molecular beam epitaxy on various surfaces. In order to include it into the select palette of van der…

Element-specific x-ray resonant magnetic scattering investigations were performed to determine the magnetic structure of Eu in EuRh2As2. In the temperature range from 46 K down to 6 K, an incommensurate antiferromagnetic (ICM)structure with…

Strongly Correlated Electrons · Physics 2010-11-17 S. Nandi , A. Kreyssig , Y. Lee , Yogesh Singh , J. W. Kim , D. C. Johnston , B. N. Harmon , A. I. Goldman

Half-metallic ferromagnets (HMF) are on one of the most promising materials in the field of spintronics due to their unique band structure consisting of one spin sub-band having metallic characteristics along with another sub-band with…

VOCl and other transition metal oxychlorides are candidate materials for next-generation rechargeable batteries. We have investigated the influence of the underlying magnetic order on the crystallographic and electronic structure by means…

Materials Science · Physics 2019-09-04 Marcus Ekholm , Andreas Schönleber , Sander van Smaalen

We present a detailed study of structural, magnetic and thermodynamic properties of a series of Heusler alloys Fe2-xMnxCrAl (x=0, 0.25, 0.5, 0.75 and 1). Structural investigation of this series is carried out using high resolution…

Materials Science · Physics 2019-11-06 Kavita Yadav , Mohit K. Sharma , Sanjay Singh , K. Mukherjee

Structures and magnetic properties of Fe16-xCoxN2 are studied using adaptive genetic algorithm and first-principles calculations. We show that substituting Fe by Co in Fe16N2 with Co/Fe ratio smaller than 1 can greatly improve the magnetic…

Materials Science · Physics 2016-12-28 Xin Zhao , Cai-Zhuang Wang , Yongxin Yao , Kai-Ming Ho

Geometrically frustrated magnetism has attracted tremendous attention while chemical doping has been utilized as an important tool to probe frustrated magnetism in various systems. Here we perform a systematic study by doping non-magnetic…

Strongly Correlated Electrons · Physics 2025-12-15 Gina Angelo , Qiang Zhang , Dylan Correll , Xin Gui

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

CoSe$_2$O$_5$ has a crystal structure consisting of zig-zag chains of edge shared CoO$_6$ octahedra running along the c axis, with the chains separated by Se$_2$O$_5^{2-}$ units. Magnetic susceptibility measurements indicate a transition at…

Materials Science · Physics 2012-02-02 Brent C. Melot , Brian Paden , Ram Seshadri , Ambesh Dixit , Gavin Lawes , Emmanuelle Suard

We have measured the magnetic properties of a mixed valency iron phosphate. It presents an original structure with crossed chains containing Fe II and orthogonal to the longest direction of the crystallites. Microstructural investigations…

Materials Science · Physics 2015-05-19 Laure Adam , Alain Pautrat , Olivier Perez , Philippe Boullay

We report on structural, magnetic and electronic properties of Co-implanted TiO2 rutile single crystals for different implantation doses. Strong ferromagnetism at room temperature and above is observed in TiO2 rutile plates after cobalt ion…

In this paper, we present the structural, electronic, magnetic and transport properties of a equiatomic quaternary alloy NbVTiAl. The absence of (111) and (200) peaks in X-ray diffraction (XRD) data confirms the A2-type structure.…

Materials Science · Physics 2022-03-14 Deepika Rani , Jiban Kangsabanik , K. G. Suresh , Aftab Alam

Magnetic properties of multicomponent alloys depend sensitively on the degree of atomic order on the different crystallographic sites. In this work we demonstrate the magnetic contrast between bulk and thin-film samples of the Heusler alloy…

Materials Science · Physics 2023-09-21 Ross Smith , Zsolt Gercsi , Rui Zhang , Katarzyna Estera Siewierska , Karsten Rode , J. M. D. Coey