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 …

Advances in nanostructured permanent magnets research

N Poudyal, JP Liu - Journal of Physics D: Applied Physics, 2012 - iopscience.iop.org
This paper reviews recent developments in research in nanostructured permanent magnets
(hard magnetic materials) with emphasis on bottom-up approaches to fabrication of hard/soft …

Magnetic anisotropy—How much is enough for a permanent magnet?

R Skomski, JMD Coey - Scripta Materialia, 2016 - Elsevier
Material choices for permanent magnets are analyzed in terms of energy product, anisotropy
and hardness parameter. Energy product is the main consideration for permanent magnets …

Predicting the future of permanent-magnet materials

R Skomski, P Manchanda, P Kumar… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
There are two main thrusts towards new permanent-magnet materials: improving extrinsic
properties by nanostructuring and intrinsic properties by atomic structuring. Theory—both …

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 …

Fabrication of bulk nanostructured permanent magnets with high energy density: challenges and approaches

M Yue, X Zhang, JP Liu - Nanoscale, 2017 - pubs.rsc.org
Nanostructured permanent magnetic materials, including exchange-coupled nanocomposite
permanent magnets, are considered as the next generation of high-strength magnets for …

Vapor-phase production of nanomaterials

M Malekzadeh, MT Swihart - Chemical Society Reviews, 2021 - pubs.rsc.org
The synthesis of nanomaterials, with characteristic dimensions of 1 to 100 nm, is a key
component of nanotechnology. Vapor-phase synthesis of nanomaterials has numerous …

Novel nanostructured rare-earth-free magnetic materials with high energy products

B Balasubramanian, B Das, R Skomski, W Zhang… - 2013 - digitalcommons.unl.edu
The development of new iron-or cobalt-rich permanent-magnet materials is of paramount
importance in materials science and technology since high-performance materials based on …

[PDF][PDF] Cobalt‐substituted magnetite nanoparticles and their assembly into ferrimagnetic nanoparticle arrays

Y Yu, A Mendoza‐Garcia, B Ning, S Sun - Advanced Materials, 2013 - researchgate.net
Synthesis of stable ferromagnetic (FM) or ferrimagnetic (FIM) nanoparticle (NP) dispersion is
key to the future fabrication of magnetic NP arrays with controlled magnetization directions …

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 …