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 …

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 …

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 …

Hf–Co and Zr–Co alloys for rare-earth-free permanent magnets

B Balamurugan, B Das, WY Zhang… - Journal of Physics …, 2014 - iopscience.iop.org
The structural and magnetic properties of nanostructured Co-rich transition-metal alloys, Co
100− x TM x (TM= Hf, Zr and 10≤ x≤ 18), were investigated. The alloys were prepared …

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 …

Evidence of structural and two magnetic phase transitions in Cu doped La2FeMnO6 double perovskites

S Mohanty, R Sharma, SK Rout, S Mukherjee - Journal of Alloys and …, 2022 - Elsevier
In this report, we have addressed a comprehensive study on the structural phase transitions
with the help of a combination of high temperature x-ray diffraction and temperature …

Magnetic nanostructuring and overcoming Brown's paradox to realize extraordinary high-temperature energy products

B Balasubramanian, P Mukherjee, R Skomski… - Scientific reports, 2014 - nature.com
Nanoscience has been one of the outstanding driving forces in technology recently,
arguably more so in magnetism than in any other branch of science and technology. Due to …

Statistics on magnetic properties of Co compounds: A database-driven method for discovering Co-based ferromagnets

JK Byland, Y Shi, DS Parker, J Zhao, S Ding… - Physical Review …, 2022 - APS
The search for new ferromagnetic compounds is often targeted at known structure families,
particularly those containing iron, cobalt, and manganese. We propose a method to expand …

Toward rare-earth-free permanent magnets: a combinatorial approach exploiting the possibilities of modeling, shape anisotropy in elongated nanoparticles, and …

D Niarchos, G Giannopoulos, M Gjoka, C Sarafidis… - Jom, 2015 - Springer
The objective of the rare-earth free permanent magnets (REFREEPM) project is to develop a
new generation of high-performance permanent magnets (PMs) without rare earths. Our …

Permanent magnets: History, current research, and outlook

R Skomski - Novel Functional Magnetic Materials: Fundamentals …, 2016 - Springer
Recent developments in permanent magnetism are summarized, considering both intrinsic
and extrinsic properties. After a general introduction to permanent magnetism, several …