Current progress and future challenges in rare-earth-free permanent magnets

J Cui, M Kramer, L Zhou, F Liu, A Gabay… - Acta Materialia, 2018 - Elsevier
Permanent magnets (PM) are critical components for electric motors and power generators.
Key properties of permanent magnets, especially coercivity and remanent magnetization …

Hard and semi-hard Fe-based magnetic materials

J Mohapatra, X Liu, P Joshi, JP Liu - Journal of Alloys and Compounds, 2023 - Elsevier
Iron (Fe) is the most important ferromagnetic element, not only for its high magnetic moment
and high Curie temperature but for its abundance as well. Fe-based magnetic materials are …

Micromagnetics of rare-earth efficient permanent magnets

J Fischbacher, A Kovacs, M Gusenbauer… - Journal of Physics D …, 2018 - iopscience.iop.org
The development of permanent magnets containing less or no rare-earth elements is linked
to profound knowledge of the coercivity mechanism. Prerequisites for a promising …

rare-earth-free permanent magnets: The effects of twinning versus dislocations in Mn-Al magnets

Y Jia, Y Wu, S Zhao, S Zuo, KP Skokov, O Gutfleisch… - Physical Review …, 2020 - APS
Defects of various kinds strongly affect local magnetic anisotropy and thus play a crucial role
in coercivity in high-performance permanent magnets. In particular, in rare-earth-free …

[HTML][HTML] Revisiting Néel 60 years on: The magnetic anisotropy of L10 FeNi (tetrataenite)

CD Woodgate, CE Patrick, LH Lewis… - Journal of Applied …, 2023 - pubs.aip.org
The magnetocrystalline anisotropy energy of atomically ordered L1 0 FeNi (the meteoritic
mineral tetrataenite) is studied within a first-principles electronic structure framework. Two …

Magnetism and magnetic properties of 3d transition metal monolayer on Pd (1 0 0)

A Obeidat, B Aladerah, M Gharaibeh… - Journal of Magnetism and …, 2023 - Elsevier
First-principles calculations based on density functional theory (DFT) are utilized to examine
the effect of 3d transition metal (TM) monolayer on the Pd (0 0 1) substrate. Four transition …

First-principles study of electronic structure and magnetic properties of L10-ordered FeNi, FePd, and FePt alloys

K Aledealat, B Aladerah, A Obeidat, M Gharaibeh - Heliyon, 2021 - cell.com
The structural, electronic, and magnetic properties of three spin configurations of L1 0-
ordered FeM alloys (M= Ni, Pd, or Pt) were studied using the first-principles method. The …

Magnetic properties of transition-metal atomic monolayer in nickel supercell: Density functional theory and Monte Carlo simulation

K Aledealat, B Aladerah, A Obeidat - Journal of Magnetism and Magnetic …, 2022 - Elsevier
An extensive description of the magnetic properties of the 3d, 4d, and 5d transition-metal
(TM) atomic monolayers sandwiched in pure nickel Ni/TM/Ni is presented using density …

Directly obtained τ-phase MnAl, a high performance magnetic material for permanent magnets

H Fang, S Kontos, J Ångström, J Cedervall… - Journal of Solid State …, 2016 - Elsevier
The metastable tetragonal τ-phase has been directly obtained from casting Mn 0.54 Al 0.46
and (Mn 0.55 Al 0.45) 100 C 2 using the drop synthesis method. The as-casted samples …

The impact of dislocations on coercivity in L10-MnAl

F Bittner, J Freudenberger, L Schultz… - Journal of Alloys and …, 2017 - Elsevier
Two different transformation routes, quenching followed by heat treatment (route 1), and
cooling at intermediate rate (route 2), were used to obtain the L1 0 phase in Mn-Al alloys …