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MOF Ligand-Directed Heterointerface Engineering for Tuning Electromagnetic Loss Mechanisms in Fe3O4/Polymetallic Spinel Ferrite Composites

delete2026-08-10
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PRE
AI
Z
Zihuan Weng
R
Ruifeng Niu
Y
Yi Liu
兰 迪 cover
兰 迪 (Di Lan)
Z
Zengchao Li
Z
Zirui Jia *
吴广磊 cover
吴广磊 (Guanglei Wu) *
DOI:10.1016/j.carbon.2026.121971delete
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Abstract

Abstract

En 中文
• An inverse strategy involving prior synthesis of metal microspheres followed by epitaxial growth of Fe-based MOFs is proposed, using three ligands to regulate precursor topology and defects, establishing a “ligand-precursor-heterointerface” relationship. • Ligand-directed heterointerfaces induce charge accumulation and a built-in electric field via the Mott-Schottky effect, while bimetallic distortion introduces oxygen vacancies, synergistically enhancing dipolar and conduction polarization. • Ligands balance dielectric and magnetic losses by tuning ferrite crystallite size and anisotropy, thereby optimizing impedance matching and underscoring their essential role in governing overall absorption performance.
Keywords:
Metal-organic frameworks (MOFs)
heterointerface
electromagnetic wave absorption
ferrite

Journal

Carbon cover
Carbon
IF:
11.6
Papers:
2.0W
Citations:
10.5W

Organization

H
hubei university of automotive technology
Scholars:
502
Papers: 250
Citations: 0
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