Rare‐Earth‐Free Mn30Fe20−xCuxAl50 Magnetocaloric Materials with Stable Cubic CsCl‐Type Structure for Room‐Temperature Refrigeration

Y Zhang, W Hao, C Hu, X Wang… - Advanced Functional …, 2023 - Wiley Online Library
Magnetic refrigeration technology based on the magnetocaloric effect (MCE) of magnetic
substances has been considered a prominent, energy‐efficient, and environmentally benign …

[HTML][HTML] Overcoming catch-22 for rare earth metals in green transition: solutions in electrical machine manufacturing

DC Popa, L Szabó - Renewable and Sustainable Energy Reviews, 2025 - Elsevier
The emphasis of modern society on environmental sustainability is accompanied by a lesser-
known paradox. Rare earth permanent magnet machines play an essential role in …

Emerging magnetic materials for electric vehicle drive motors

CL Rom, RW Smaha, S O'Donnell, S Dugu, SR Bauers - MRS Bulletin, 2024 - Springer
Increasing demand for electric vehicles (EVs) is increasing demand for the permanent
magnets that drive their motors, as approximately 80% of modern EV drivetrains rely on high …

Life Cycle Assessment of Rare Earth Elements-Free Permanent Magnet Alternatives: Sintered Ferrite and Mn–Al–C

A Amato, A Becci, A Bollero… - ACS Sustainable …, 2023 - ACS Publications
Permanent magnets are fundamental constituents in key sectors such as energy and
transport, but also robotics, automatization, medicine, etc. High-performance magnets are …

Formation of pure -phase in Mn–Al–C by fast annealing using spark plasma sintering

F Maccari, A Aubert, S Ener, E Bruder, I Radulov… - Journal of Materials …, 2022 - Springer
Mn–Al–C is intended to be one of the “gap magnets” with magnetic performance in-between
ferrites and Nd-Fe-B. These magnets are based on the metastable ferromagnetic τ-phase …

Strong proton transfer from phenolic ring to imine functionality in 1D azido and dicyanamido bridged Mn (II) coordination polymers: Synthesis, crystal structure and …

R Bikas, N Heydari, S Demeshko, T Lis - Inorganica Chimica Acta, 2022 - Elsevier
In this research, two new 1D coordination polymers of Mn (II),[Mn (LH) 2 (µ 1, 5-dca) 2] n (1)
and [Mn (LH) 2 (µ 1, 3-N 3)(CH 3 OH)(N 3)] n (2) were synthesized and characterized by …

[HTML][HTML] Effects of quenching on the microstructure and magnetic properties of MnBi nanopowders synthesized by low-oxygen induction thermal plasma

J Wang, Y Hirayama, M Bian, K Takagi - Scripta Materialia, 2024 - Elsevier
Fine and magnetically hard MnBi powders with limited surface oxidation were
unprecedentedly synthesized with a high-throughput low-oxygen induction thermal plasma …

[HTML][HTML] Tripling in coercivity (Hc) for the thermal and structural highly stabilized MnAlBi-C rare earth free permanent magnet via Bi doping

HL Fang, J Liu, PW Huang, DW Shi - Materials & Design, 2023 - Elsevier
The limited coercivity (H c) and metastability of the ferromagnetic τ phase MnAl-C magnet
have constrained its magnetic performance and application potential. Bi was doped into the …

Magnetic structure of 3d-element doped Mn4N films confirmed by X-ray magnetic circular dichroism–Conditions for magnetic compensation

T Komori, T Horiuchi, H Mitarai, T Yasuda… - Journal of Magnetism …, 2022 - Elsevier
We investigated the magnetic structure of Mn 4 N epitaxial films doped with 3d elements and
discussed conditions under which magnetization compensation (MC) occurs in these films at …

Microstructure and coupling mechanisms in MnBi–FeSiB nanocomposites obtained by spark plasma sintering

A Alexandru-Dinu, C Locovei, C Bartha… - Scientific Reports, 2024 - nature.com
Fabrication and extensive characterization of hard-soft nanocomposites composed of hard
magnetic low-temperature phase LTP-MnBi and amorphous Fe70Si10B20 soft magnetic …