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Related papers: A tool to predict coercivity in magnetic materials

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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…

A quantitative mathematical model for the critical thickness of strained epitaxial metal films is presented, at which the magnetic moment experiences a reorientation from in-plane to perpendicular magnetic anisotropy. The model is based on…

Strongly Correlated Electrons · Physics 2011-06-13 Artur Braun

Single crystal elastic constants of bcc iron and bct FeC and FeN alloys, martensites, have been evaluated by ab initio calculations based on the density functional theory. The energy of a strained crystal has been computed using the…

Materials Science · Physics 2015-08-04 Maaouia Souissi , Hiroshi Numakura

Detection of material inhomogeneities is an important task in magnetic imaging and plays a significant role in understanding physical processes. For example, in spintronics, the sample heterogeneity determines the onset of current-driven…

Computational Physics · Physics 2021-11-03 Illia Horenko , Davi Rodrigues , Terence O'Kane , Karin Everschor-Sitte

As a pinning-controlled permanent magnet, tailoring the cellular nanostructure of samarium-cobalt-based 1:7-type (SmCo-1:7) magnets remains crucial for improving magnetic performance. Jointing forward and inverse machine learning models…

We report the discovery of a giant out-of-plane coercivity in the Fe-doped Mn3Sn single crystals. The compound of Mn2.42Fe0.58Sn exhibits a series of magnetic transitions accompanying with large magnetic anisotropy and electric transport…

Applied Physics · Physics 2023-10-31 Weihao Shen , Yalei Huang , Xinyu Yao , Fangyi Qi , Guixin Cao

The width of the magnetic hysteresis loop is often correlated with the material's magnetocrystalline anisotropy constant $\kappa_1$. Traditionally, a common approach to reduce the hysteresis width has been to develop alloys with $\kappa_1$…

Materials Science · Physics 2025-04-14 Hongyi Guan , Negar Ahani , Carlos J. García-Cervera , Ananya Renuka Balakrishna

A method is proposed for investigating the spontaneous magnetization, the spontaneous volume magnetostriction, and their relationship in disordered face-centered-cubic Fe$_{0.72}$Pt$_{0.28}$ and Fe$_{0.65}$Ni$_{0.35}$ in the temperature…

Materials Science · Physics 2014-03-19 F. Liot

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 hardness of materials plays an important role in material design. There are numerous experimental methods to measure the hardness of materials, but theoretical prediction of hardness is challenging. By investigating the correlation…

Materials Science · Physics 2024-12-24 Faridun N. Jalolov , Alexander G. Kvashnin

The Nd permanent magnet (Nd$_{2}$Fe$_{14}$B) is an indispensable material used in modern energy conversion devices. The realization of high coercivity at finite temperatures is a burning issue. One of the important ingredients for…

Materials Science · Physics 2021-01-20 Masamichi Nishino , Ismail Enes Uysal , Seiji Miyashita

The magnetic moments and magnetic anisotropy energy (MAE) of CoRh alloy nanoparticles are determined experimentally and theoretically. Non-trivial correlations between chemical order, magnetic order and MAE are revealed. A remarkable…

Materials Science · Physics 2015-05-13 M. Muñoz-Navia , J. Dorantes-Dávila , D. Zitoun , C. Amiens , N. Jaouen , A. Rogalev , M. Respaud , G. M. Pastor

Nd$_{2}$Fe$_{14}$B -- a widely used permanent magnet -- has magnetocrystalline anisotropy constants that differ between the bulk and interface regions. This study explores the effects of lattice distortion on the magnetocrystalline…

L10 ordered magnetic alloys such as FePt, FePd, CoPt and FeNi are well known for their large magnetocrystalline anisotropy. Among these, L10-FeNi alloy is economically viable material for magnetic recording media because it does not contain…

Applied Physics · Physics 2020-01-08 V. Thiruvengadam , B. B. Singh , T. Kojima , K. Takanashi , M. Mizuguchi , S. Bedanta

Additive manufacturing (AM) offers an unprecedented opportunity for the quick production of complex shaped parts directly from a powder precursor. But its application to functional materials in general and magnetic materials in particular…

Materials Science · Physics 2019-04-02 Min Yi , Bai-Xiang Xu , Oliver Gutfleisch

We have found an unusual effect of increasing the coercive force in the Stoner-Wohlfarth model applied to magnetic nanoparticles of a special morphology. The particles consist of a ferromagnetic single-domain core surrounding by a…

Materials Science · Physics 2025-05-16 Vladimir P. Savin , Yury A. Koksharov

The Fe$_5$PB$_2$ compound offers tunable magnetic properties via the possibility of various combinations of substitutions on the Fe and P-sites. Here, we present a combined computational and experimental study of the magnetic properties of…

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

Magnetic susceptibility of the isostructural Ce(Ni{1-x}Cu{x})5 alloys (0< x <0.9) was studied as a function of the hydrostatic pressure up to 2 kbar at fixed temperatures 77.3 and 300 K, using a pendulum-type magnetometer. A pronounced…

Strongly Correlated Electrons · Physics 2007-05-23 G. E. Grechnev , A. V. Logosha , A. S. Panfilov , I. V. Svechkarev , O. Musil , P. Svoboda

We present a study of the dynamic magnetic properties of TiN-buffered epitaxial thin films of the Heusler alloy Fe$_{1.5}$CoGe. Thickness series annealed at different temperatures are prepared and the magnetic damping is measured, a lowest…

Materials Science · Physics 2019-04-26 Andres Conca , Alessia Niesen , Günter Reiss , Burkard Hillebrands