Energy applications of magnetocaloric materials

A Kitanovski - Advanced Energy Materials, 2020 - Wiley Online Library
The need for energy‐efficient and environmentally friendly refrigeration, heat pum**, air
conditioning, and thermal energy harvesting systems is currently more urgent than ever …

[HTML][HTML] Perspective and prospects for rare earth permanent magnets

JMD Coey - Engineering, 2020 - Elsevier
Rare earth permanent magnets constitute a mature technology, but the shock of the 2011
rare earth crisis led to the re-evaluation of many ideas from the 1980s and 1990s about …

A review of structures and physical properties of rare earth chalcophosphates

ZX Chen, W Liu, SP Guo - Coordination Chemistry Reviews, 2023 - Elsevier
Metal chalcophosphates are chemically and structurally diverse due to the various
connective ways of phosphorus-sulfur/selenium anionic groups. Rare earth metals have …

Most frequently asked questions about the coercivity of Nd-Fe-B permanent magnets

J Li, H Sepehri-Amin, T Sasaki, T Ohkubo… - … and technology of …, 2021 - Taylor & Francis
Physically, the coercivity of permanent magnets should scale with the anisotropy field of
ferromagnetic compounds, HA; however, the typical coercivity values of commercial …

Grain boundary engineering towards high-figure-of-merit Nd-Ce-Fe-B sintered magnets: synergetic effects of (Nd, Pr) Hx and Cu co-dopants

J **, M Yan, W Chen, W Zhang, Z Zhang, L Zhao… - Acta Materialia, 2021 - Elsevier
We present a potent pathway,(Nd, Pr) H x and Cu grain boundary engineering, to tackle the
trade-offs between coercivity, remanence and corrosion resistance of Nd-Ce-Fe-B sintered …

Comparative study of Pr/PrFe/PrAl grain boundary diffusion processed Nd–Ce–Fe–B sintered magnets with high Ce substitution: Evolutionary microstructure and …

J **, W Chen, M Bu, L Zhou, B Peng, W Li, M Yan - Acta Materialia, 2023 - Elsevier
Owing to high natural abundance, surplus stockpile and low price of Ce, the Nd–Ce–Fe–B
magnet possesses outstanding advantages as a novel permanent alternative with reduced …

Twins–A weak link in the magnetic hardening of ThMn12-type permanent magnets

S Ener, KP Skokov, D Palanisamy, T Devillers… - Acta Materialia, 2021 - Elsevier
Nd 2 Fe 14 B-type materials exhibit the highest energy product around room temperature
and hence dominate the high-performance permanent magnet market. Intensive research …

Merits of Pr80Ga20 grain boundary diffusion process towards high coercivity‒remanence synergy of Nd‒La‒Ce‒Fe‒B sintered magnet

M Yan, W Chen, J **, Y Liu, H Chen, SP Ringer, J Xu… - Acta Materialia, 2022 - Elsevier
Pursing high coercivity‒remanence synergy is a common challenge for permanent
magnets, particularly for the La/Ce-based RE‒Fe‒B (RE: rare earth) magnets that usually …

Strategy and mechanism for substantially enhanced coercivity in multi-main-phase Nd-La-Ce-Fe-B sintered magnets

H Chen, Y Li, H Zhang, W Liu, Z Wang, M Yue - Acta Materialia, 2023 - Elsevier
Improving the coercivity of high La/Ce content multi-main-phase (MMP) sintered magnets is
crucial for promoting the use of La/Ce elements in permanent magnets. In this work, we used …

Tuning the Magnetic Properties of Hard–Soft SrFe12O19/CoFe2O4 Nanostructures via Composition/Interphase Coupling

P Maltoni, T Sarkar, G Barucca, G Varvaro… - The Journal of …, 2021 - ACS Publications
Magnetic nanocomposites (NCs) are extremely appealing for a wide range of energy-related
technological applications, specifically as building blocks for next-generation permanent …