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 …

The 2014 magnetism roadmap

RL Stamps, S Breitkreutz, J Åkerman… - Journal of Physics D …, 2014 - iopscience.iop.org
Magnetism is a very fascinating and dynamic field. Especially in the last 30 years, there have
been many major advances in a range of areas from novel fundamental phenomena to new …

Hard and semi-hard magnetic materials based on cobalt and cobalt alloys

J Mohapatra, M Xing, J Elkins, JP Liu - Journal of Alloys and Compounds, 2020 - Elsevier
Cobalt (Co) is one of the most important 3d transition metal elements used in the
development of magnetic materials, especially in hard magnetic materials, from the early Co …

Enhancing the performance of rare-earth free permanent magnets: A computational study of nitrogen and oxygen defects in CoPt, CoFePt2, and CoNiPt2 alloys

K Aledealat, B Aladerah, A Obeidat… - Journal of Physics and …, 2023 - Elsevier
This work presents a computational investigation utilizing density functional theory and
Monte Carlo simulations to study the influence of nitrogen and oxygen defects on the …

Calibrating dft formation enthalpy calculations by multifidelity machine learning

S Gong, S Wang, T Xie, WH Chae, R Liu, Y Shao-Horn… - JACS Au, 2022 - ACS Publications
The application of machine learning to predict materials properties measured by
experiments are valuable yet difficult due to the limited amount of experimental data. In this …

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 …

Chiral magnetism and high-temperature skyrmions in B20-ordered Co-Si

B Balasubramanian, P Manchanda, R Pahari, Z Chen… - Physical Review Letters, 2020 - APS
Magnets with chiral crystal structures and helical spin structures have recently attracted
much attention as potential spin-electronics materials, but their relatively low magnetic …

High-throughput and data-mining approach to predict new rare-earth free permanent magnets

A Vishina, OY Vekilova, T Björkman, A Bergman… - Physical Review B, 2020 - APS
We present an application of a high-throughput search of new rare-earth free permanent
magnets focusing on 3 d-5 d transition metal compounds. The search involved a part of the …

Recent developments of rare-earth-free hard-magnetic materials

D Li, DS Pan, SJ Li, ZD Zhang - Science China Physics, Mechanics & …, 2016 - Springer
Recent advances in rare-earth-free hard-magnetic materials including magnetic bulk, thin
films, nanocomposites and nanostructures are introduced. Since the costs of the rare-earth …

Prospect and status of iron-based rare-earth-free permanent magnetic materials

D Li, Y Li, D Pan, Z Zhang, CJ Choi - Journal of Magnetism and Magnetic …, 2019 - Elsevier
With the advent of high performance permanent magnets based on the rare-earth (RE)
elements such as Sm-Co, Nd-Fe-B alloys in 1980s, the application areas have been …