Rare-earth-free permanent magnets: the past and future

J Mohapatra, JP Liu - Handbook of magnetic materials, 2018 - Elsevier
Permanent magnets are essential components in everyday technologies, including in
energy conversion and transportation. Since the discovery of rare-earth-based permanent …

Heavy rare earth free, free rare earth and rare earth free magnets-Vision and reality

KP Skokov, O Gutfleisch - Scripta Materialia, 2018 - Elsevier
It is commonly understood that among the intermetallic phases used for permanent magnets,
practically none can fully realize its potential based on the intrinsic magnetic properties. We …

Magnetic-field-induced strain-glass-to-martensite transition in a Fe-Mn-Ga alloy

X Sun, D Cong, Y Ren, KD Liss, DE Brown, Z Ma… - Acta Materialia, 2020 - Elsevier
Strain glass is a frozen disordered strain state with local strain order manifested by nano-
sized strain domains, which is formed as a result of do** sufficient point defects into the …

Ab initio phase stabilities of Ce-based hard magnetic materials and comparison with experimental phase diagrams

Hİ Sözen, S Ener, F Maccari, KP Skokov… - Physical Review …, 2019 - APS
Recent developments in electrical transportation and renewable energies have significantly
increased the demand of hard magnetic materials with a reduced critical rare-earth content …

Consolidation of cobalt nanorods: A new route for rare-earth free nanostructured permanent magnets

S Ener, E Anagnostopoulou, I Dirba, LM Lacroix, F Ott… - Acta Materialia, 2018 - Elsevier
Rare-earth free permanent magnets were produced by consolidation of cobalt nanorods
synthesized by the polyol process exhibiting a mean diameter in the range 10–30 nm …

Machine learning informed tetragonal ratio c/a of martensite

HX Liu, HL Yan, Y Zhao, N Jia, S Tang, D Cong… - Computational Materials …, 2024 - Elsevier
Tetragonal ratio (c/a) is a critical structural parameter that heavily decides plenty of
performances of tetragonal martensitic materials. Nevertheless, the knowledge about c/a …

Bulk combinatorial analysis for searching new rare-earth free permanent magnets: Reactive crucible melting applied to the Fe-Sn binary system

B Fayyazi, KP Skokov, T Faske, DY Karpenkov… - Acta Materialia, 2017 - Elsevier
The reactive crucible melting method is known to be an efficient and low-cost bulk
combinatorial synthesis technique to search for new phases. In this work, we tested this …

Combined ab initio and experimental screening of phase stabilities in the Ce-Fe-Ti- system ( and metals)

HI Sözen, S Ener, F Maccari, B Fayyazi… - Physical Review …, 2023 - APS
One of the main challenges for the synthesis and application of the promising hard-magnetic
compound Ce Fe 11 Ti is the formation of Laves phases that are detrimental for their …

Tuning the magnetocrystalline anisotropy of by alloying

OY Vekilova, B Fayyazi, KP Skokov, O Gutfleisch… - Physical Review B, 2019 - APS
The electronic structure, magnetic properties, and phase formation of hexagonal
ferromagnetic Fe 3 Sn-based alloys have been studied from first principles and by …

Wasp waisted-like hysteresis loops observed in the γ-Fe2MnGa compound

JR Andrez, EC Passamani, AY Takeuchi… - Journal of Alloys and …, 2017 - Elsevier
Bulk and local magnetic properties of the polycrystalline Fe 2 MnGa compound, submitted to
cold-work and annealing, have been studied using DC magnetization measurements and …