Progress and prospects of hard hexaferrites for permanent magnet applications

C de Julian Fernandez, C Sangregorio… - Journal of Physics D …, 2021 - iopscience.iop.org
Permanent magnets based on hard hexaferrite represent the largest family of magnets being
used today by volume. They generate moderate remanence induction, but present crucial …

Carbon nanocoils/carbon foam as the dynamically frequency‐tunable microwave absorbers with an ultrawide tuning range and absorption bandwidth

L Wu, S Shi, G Wang, P Mou, X Liu… - Advanced Functional …, 2022 - Wiley Online Library
The absorption frequency of conventional microwave absorbing materials (MAMs) is hardly
tuned in operando, while such dynamic frequency regulation of MAMs is of great …

Absorption-dominant mmWave EMI shielding films with ultralow reflection using ferromagnetic resonance frequency tunable M-type ferrites

H Lee, SH Ryu, SJ Kwon, JR Choi, S Lee, B Park - Nano-Micro Letters, 2023 - Springer
Although there is a high demand for absorption-dominant electromagnetic interference (EMI)
shielding materials for 5G millimeter-wave (mmWave) frequencies, most current shielding …

Design of modern magnetic materials with giant coercivity

EA Gorbachev, ES Kozlyakova, LA Trusov… - Russian Chemical …, 2021 - iopscience.iop.org
The review is devoted to compounds and materials demonstrating extremely high magnetic
hardness. The recent advances in the synthesis of modern materials for permanent magnets …

Regulating integral alignment of magnetic MXene nanosheets in layered composites to achieve high-effective electromagnetic wave absorption

Y Zhou, J Sun, Z Li, B Zhou, C Liu, Y Feng - Composites Science and …, 2024 - Elsevier
The integral structure design is equally crucial to the regulation of electromagnetic
components in microwave absorbing materials. In this work, magnetic MXene/polyvinylidene …

Commonly neglected ester groups enhanced microwave absorption

H Jin, J Zhou, J Tao, Y Gu, C Yu, P Chen, Z Yao - Small, 2023 - Wiley Online Library
Oxygen‐containing functional groups have high potential to excite polarization loss. The
nature and mechanism of the polarization loss brought on by oxygen‐containing functional …

Achieving Ultra-Broad Microwave Absorption Bandwidth Around Millimeter-Wave Atmospheric Window Through an Intentional Manipulation on Multi-Magnetic …

C Liu, L Xu, X Xiang, Y Zhang, L Zhou, B Ouyang… - Nano-Micro Letters, 2024 - Springer
The utilization of electromagnetic waves is rapidly advancing into the millimeter-wave
frequency range, posing increasingly severe challenges in terms of electromagnetic …

In situ construction of complex spinel ferrimagnet in multi-elemental alloy for modulating natural resonance and highly efficient electromagnetic absorption

X Liu, Y Duan, Y Guo, Z Li, J Ma, J Di… - Chemical Engineering …, 2023 - Elsevier
The contradiction between the demand for highly efficient low-frequency electromagnetic
wave (EMW) absorption materials and the relatively poor permeability of existing absorbers …

[HTML][HTML] Hexaferrite-based permanent magnets with upper magnetic properties by cold sintering process via a non-aqueous solvent

A Serrano, E García-Martín, C Granados-Miralles… - Acta Materialia, 2021 - Elsevier
The incessant technological pursuit towards a more sustainable and green future depends
strongly on permanent magnets. At present, their use is widespread, making it imperative to …

Tuning the particle size, natural ferromagnetic resonance frequency and magnetic properties of ε-Fe 2 O 3 nanoparticles prepared by a rapid sol–gel method

E Gorbachev, M Soshnikov, M Wu… - Journal of Materials …, 2021 - pubs.rsc.org
In this study, we demonstrate the synthesis and the investigation of magnetostatic and
magnetodynamic properties of epsilon iron oxide (ε-Fe2O3) nanoparticles of various sizes …