Published: May 1, 2025
Language: Английский
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 5, 2025
Abstract Electronic devices are becoming portable, miniaturized, and high performance, more widely used in emerging complex fields. Electromagnetic functional materials with multiple functions that can be applied to scenarios urgently need developed. This research assembled a multifunctional magnetic heterodimensional structure through interface defect engineering, conceived an innovative hybrid energy storage device antenna. The exhibits excellent microwave absorption, electromagnetic interference (EMI) shielding properties. minimum reflection loss is −57.06 dB at 6.16 GHz, the optimal EMI effectiveness 74.08 18 GHz. At current densities of 0.5 3 A g −1 , discharge/charge specific capacities remain 836.64/820.48 401.4/401.7 mAh after 300 500 cycles, respectively. Hybrid convert into electrical for storage. antenna shows harvesting characteristic S, C, X, Ku multi‐bands. |S 11 | reach −65.6 tuned by adjusting dielectric substrate thickness. work will furnish new prospects design development scenarios.
Language: Английский
Citations
8
Carbon, Journal Year: 2025, Volume and Issue: 235, P. 120095 - 120095
Published: Feb. 6, 2025
Language: Английский
Citations
7
Materials Science and Engineering R Reports, Journal Year: 2025, Volume and Issue: 164, P. 100982 - 100982
Published: March 28, 2025
Language: Английский
Citations
5
Materials Chemistry Frontiers, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Electromagnetic wave absorbing material (EMWAM) based on metal-organic framework (MOF) has high loss capacity and wide absorption bandwidth. This paper reviews recent research MOF-based EMWAM outlines current challenges future directions.
Language: Английский
Citations
3
Soft Science, Journal Year: 2024, Volume and Issue: 4(4)
Published: Dec. 24, 2024
Microwaves are currently used in many fields, including the military, medical, and communication. However, ensuing electromagnetic radiation has seriously threatened human life. Therefore, design of high-performance microwave absorbing materials (MAMs) become an important development direction. Metal-organic frameworks (MOFs) regarded as a bright new star among MAMs with broad application prospects due to their advantages tunable structure, large specific surface area, high porosity, etc . This paper reviews research progress derived from MOFs recent years, preparation methods, properties absorption mechanisms. Finally, problems MOF-derived discussed.
Language: Английский
Citations
16
Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 179216 - 179216
Published: Feb. 1, 2025
Language: Английский
Citations
2
Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 7, 2025
Abstract The narrow resonance width of magnetic alloys limits their application as wide frequency electromagnetic wave absorbers within the gigahertz range. To address this issue, study proposes engineering homogeneous interfaces and enhancing anisotropy through Sm doping in FeCo alloy, thereby giving rise to a broadened an increased loss. results show that Sm‐doping produces abundant grain boundaries strengthening charge transfer (0.16 ev) moment (0.34 µ B ), which ultimately heightens interfacial exchange coupling coefficient by six times. Furthermore, magnetocrystalline constant rises from 4.1 × 10 5 3.0 10⁶ J m − 3 , stress expands four fold, owing induced 4f electron spin‐orbit lattice distortion. Consequently, natural are elevated 10.4 6.4 GHz, separately. Eventually, with loss angle above 0.5 over 7–14 GHz present ultra‐wide absorption. This work provides new approach homointerface improve absorption alloys.
Language: Английский
Citations
1
Carbon, Journal Year: 2024, Volume and Issue: unknown, P. 119851 - 119851
Published: Nov. 1, 2024
Language: Английский
Citations
9
Carbon, Journal Year: 2024, Volume and Issue: unknown, P. 119965 - 119965
Published: Dec. 1, 2024
Language: Английский
Citations
4
ACS Applied Electronic Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 8, 2025
This study investigates the design of an electronic structure in a defect-engineered (MgCoNiCuZn)O high-entropy oxide (HEO), demonstrating distinct frequency-dependent dielectric behavior enabled by complex microstructure. Detailed structural analysis reveals phase transformation from multiphase mixture at lower calcination temperatures to stable, single-phase rock-salt 1000 °C. Scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) mapping show unique elemental domain segregation, with p-type (Cu, Ni, Co) n-type (Zn, Mg) semiconductor domains forming multiple internal interfaces. These interfaces facilitate two key polarization mechanisms: (1) interfacial (Maxwell–Wagner–Sillars) within grains, driven charge accumulation boundaries, (2) space across grain boundaries. Dielectric measurements reveal strong frequency dependence, high properties low frequencies suitable for charging applications reduced values frequencies, beneficial discharging processes such as regenerative braking electric vehicles. work demonstrates potential HEOs tailor advanced applications, including tunable radio (RF) devices, wireless communication, adaptive energy storage systems, vehicle technologies.
Language: Английский
Citations
0