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Related papers: Disorder-induced cubic phase in Fe$_2$-based Heusl…

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The present work reports on the new soft ferromagnetic Heusler phases Fe2NiGe, Fe2CuGa, and Fe2CuAl, which in previous theoretical studies have been predicted to exist in a tetragonal regular Heusler structure. Together with the known…

Materials Science · Physics 2014-04-18 T. Gasi , V. Ksenofontov , J. Kiss , S. Chadov , A. K. Nayak , M. Nicklas , J. Winterlik , M. Schwall , P. Klaer , P. Adler , C. Felser

With a view to the design of hard magnets without rare earths we explore the possibility of large magnetocrystalline anisotropy energies in Heusler compounds that are unstable with respect to a tetragonal distortion. We consider the Heusler…

Materials Science · Physics 2017-02-28 Y. -i. Matsushita , G. Madjarova , J. K. Dewhurst , S. Shallcross , C. Felser , S. Sharma , E. K. U. Gross

We investigate the structural and magnetic properties of Mn$_{2}$FeGa for different phases(cubic, hexagonal and tetragonal) reported experimentally using density functional theory. The relative structural stabilities, and the possible phase…

Materials Science · Physics 2019-10-02 Ashis Kundu , Subhradip Ghosh

Using first-principles calculations based on density functional theory, we probe the electronic and magnetic properties of X$_{2}$PtGa (X being Cr, Mn, Fe, Co) Heusler alloys. Our calculations predict that all these systems possess inverse…

Materials Science · Physics 2016-11-23 Tufan Roy , Aparna Chakrabarti

Using electronic structure calculations based on density functional theory, we predict and study the structural, mechanical, electronic, magnetic and transport properties of a new full Heusler chalcogenide, namely, Fe$_2$CrTe, both in bulk…

Materials Science · Physics 2023-04-05 Joydipto Bhattacharya , Rajeev Dutt , Aparna Chakrabarti

The electronic structure, magnetism and phase stability of Pt2-xMn1+xGa(x=0, 0.25, 0.5, 0.75, 1) alloys are studied by first-principle calculations. The calculations reveal that a potential magnetic martensitic transformation can be…

Materials Science · Physics 2015-03-03 L. Feng , E. K. Liu , W. X. Zhang , W. H. Wang , G. H. Wu

We investigate grain boundaries (GBs) in the cubic inverse Heusler phase Fe$_2$CoGa by means of first principles calculations based on density functional theory. Besides the energetic stability, the analysis focuses on the magnetic…

Materials Science · Physics 2023-08-02 Daniel F. Urban , Wolfgang Körner , Christian Elsässer

Using first-principles calculations based on density functional theory, we have studied the mechanical, electronic, and magnetic properties of Heusler alloys, namely, Ni$_{2}BC$ and Co$_{2}BC$ ($B$ = Sc, Ti, V, Cr and Mn as well as Y, Zr,…

Materials Science · Physics 2016-05-18 Tufan Roy , Dhanshree Pandey , Aparna Chakrabarti

Chromium based inverse Heusler compounds of the type Cr2YZ (Y=Co, Fe; Z=Al, Ga, In, Si, Ge, Sn) have been proposed as fully compensated half-metallic ferrimagnets. Such materials are of large interest for spintronics because they combine…

Materials Science · Physics 2013-07-23 Markus Meinert , Manuel Geisler

The changes in magnetic properties of Ce(Fe0.9Co0.1)2 compound with increasing disorder are discussed in the paper. Homogeneous alloys are known to undergo the phase transition from ferromagnetic to antiferromagnetic state accompanied by…

Materials Science · Physics 2026-03-30 Andrzej Musiał , Maria Pugaczowa-Michalska , Natalia Lindner , Zbigniew Śniadecki

We investigate the structural stability and magnetic properties of cubic, tetragonal and hexagonal phases of Mn3Z (Z=Ga, Sn and Ge) Heusler compounds using first-principles density-functional theory. We propose that the cubic phase plays an…

On the basis of the density functional calculations in combination with the supercell approach, we report on a complete study of the influences of atomic arrangement and Ni substitution for Al on the ground state structural and magnetic…

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

We report the successful synthesis of a new 4$d$ based polycrystalline inverse Heusler alloy Fe$_2$RuGe by an arc melting process and have studied in detail its structural, magnetic and transport properties complemented with first principle…

Based on high-throughput density functional theory calculations, we investigated the effects of light interstitial H, B, C, and N atoms on the magnetic properties of cubic Heusler alloys, with the aim to design new rare-earth free permanent…

Materials Science · Physics 2019-09-10 Qiang Gao , Ingo Opahle , Oliver Gutfleisch , Hongbin Zhang

The methyl groups in hexamethylbenzene C$_6$(CH$_3$)$_6$ become magnetically ordered at the molecular level below 118 K. This is also near the temperature at which the system structurally transitions from triclinic to a unique near-cubic…

Strongly Correlated Electrons · Physics 2018-12-07 Fei Yen

We report the results of experimental investigations on structural, magnetic, resistivity, caloric properties of Fe$_2$RhZ (Z=Si,Ge) along with \textit{ab-initio} band structure calculations using first principle simulations. Both these…

The delicate nature of the half-metallic ferromagnetic (HMF) property in Heusler alloys is often compromised by inherent structural disorder within the systems. Fe2VSi is a prime example, where such disorder prevents the realization of the…

The phonon dispersion relations and elastic constants for ferromagnetic Ni$_2$MnGa in the cubic and tetragonally distorted Heusler structures are computed using density-functional and density-functional perturbation theory within the…

Materials Science · Physics 2009-11-10 Claudia Bungaro , K. M. Rabe , A. Dal Corso

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
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