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Related papers: Optimizing $\alpha''$-Fe$_{16}$N$_2$ as permanent …

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First-principles alloy theory, formulated within the exact muffin-tin orbitals method in combination with the coherent-potential approximation, is used to study the mechanical properties of ferromagnetic body-centered cubic (bcc)…

A systematic study of magnetocrystalline anisotropy is performed for R(La/Ce/Nd)2Fe14B tetragonal compound with the site substitution mechanism. Theoretical calculation suggests the 50% doping with Ce at 4f-site can lead to competitive…

Materials Science · Physics 2018-06-07 Rajiv K. Chouhan , Arjun K. Pathak , D. Paudyal , V. K. Pecharsky

The electrical resistivity, magnetization, and Hall effect in Co$_2$FeZ (Z = Al, Si, Ga, Ge, Sn, Sb) ferromagnetic Heusler alloys are studied. A number of correlations between the electronic and magnetic characteristics of the studied…

Materials Science · Physics 2025-02-19 Yu. A. Perevozchikova , V. Yu. Irkhin , A. A. Semiannikova , V. V. Marchenkov

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 study Ni80Fe20-based permalloys with the relativistic spin-polarized Korringa-Kohn-Rostoker electronic structure method. Treating the compositional disorder with the coherent potential approximation, we investigate how the…

Materials Science · Physics 2009-11-10 S. Ostanin , J. B. Staunton , S. S. A. Razee , B. Ginatempo , Ezio Bruno

With a goal to produce giant magnetic moment in Mn$_{13}$ cluster which will be useful for practical applications, we have considered the structure and magnetic properties of pure Mn$_{13}$ cluster and substitutionally doped it with X = Ti,…

Mesoscale and Nanoscale Physics · Physics 2011-06-07 Soumendu Datta , Mukul Kabir , Abhijit Mookerjee , Tanusri Saha-Dasgupta

We examine the anisotropic properties of the exchange stiffness constant, $\mathcal{A}$, for rare-earth permanent magnet, Nd$_2$Fe$_{14}$B, by connecting analyses with two different scales of length, i.e., Monte Carlo (MC) method with an…

Materials Science · Physics 2018-08-22 Yuta Toga , Masamichi Nishino , Seiji Miyashita , Takashi Miyake , Akimasa Sakuma

Based on high-throughput density functional theory calculations, we performed screening for stable magnetic MAB compounds and predicted potential strong magnets for permanent magnet and magnetocaloric applications. The thermodynamical,…

Whether {\alpha}double prime-Fe16N2 possesses a giant saturation magnetization (Ms) has been a daunting problem among magnetic researchers for almost 40 years, mainly due to the unshakable faith of famous Slater-Pauling (SP) curve and poor…

Materials Science · Physics 2012-11-06 Nian Ji , Valeria Lauter , Hailemariam Ambaye , Jian-Ping Wang

This research aims to identify an alternative solution for the Nd$_2$Fe$_{14}$B magnet in light of the scarcity of rare earth (RE) resources. The investigation uses density functional theory (DFT) calculations to assess the effect of…

Materials Science · Physics 2026-04-30 Nico Yannik Merkt

We show that low field magnetoelectric (ME) properties of helimagnets Ba0.5Sr1.5Zn2(Fe1-xAlx)12O22 can be efficiently tailored by Al-substitution level. As x increases, the critical magnetic field for switching electric polarization is…

The structure and static magnetic properties - saturation magnetization, perpendicular anisotropy, spectroscopic g-factor, and orbital magnetization - of thin-film 3d transition metal alloys are determined over the full range of alloy…

Using \emph{ab initio} alloy theory formulated within the exact muffin-tin orbitals theory in combination with the coherent potential approximation, we investigate the ideal tensile strength (ITS) in the $[001]$ direction of bcc…

Materials Science · Physics 2016-04-19 Xiaoqing Li , Stephan Schönecker , Jijun Zhao , Börje Johansson , Levente Vitos

Ni-Mn-Ga is interesting as a prototype of a magnetic shape-memory alloy showing large magnetic field induced strains. We present here results for the magnetic ordering of Mn-rich Ni-Mn-Ga alloys based on both experiments and theory.…

Materials Science · Physics 2009-11-07 J. Enkovaara , O. Heczko , A. Ayuela , R. M. Nieminen

Using the first-principles density-functional approach, magnetic properties of Mn-, Fe-, Co-, and Ni-doped rutile TiO2 were investigated for two different impurity concentrations (25% and 6.25%). Calculations were performed with the…

Materials Science · Physics 2008-04-24 L. A. Errico , M. Weissmann , M. Renteria

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

Permanent magnets draw their properties from a complex interplay of chemical composition and phase, each with their associated intrinsic magnetic properties. Gaining an understanding of these interactions is the key to deciphering the…

A recent experimental study (Phys. Rev. Appl. 9, 024023, 2018) on paramagnetic CeCo$_3$ finds that Magnesium alloying induces a ferromagnetic transition with intrinsic properties large enough for permanent magnet applications. Here we…

Materials Science · Physics 2018-09-26 Tribhuwan Pandey , David S. Parker

The future of spintronic and semiconductor applications demands materials with tailored electronic and magnetic properties. This study uses density functional theory to investigate the electronic structure of the half-metallic compound…

Materials Science · Physics 2025-07-08 Sujoy Datta , Prashant Singh

We investigate the effect of Mn substitution in Fe$_2$Ti$_{1-x}$Mn$_x$Sn on electronic structure and magnetic and electrical transport properties. The spin-polarized density of states calculations using density-functional theory (DFT)…

Materials Science · Physics 2025-08-20 Kulbhushan Mishra , Shishir Kumar Pandey , S. Chaudhuri , Rajeev Rawat , P. A. Bhobe