Synergistic Dielectric–Magnetic Enhancement via Phase‐Evolution Engineering and Dynamic Magnetic Resonance

Abstract Dielectric polarization and magnetic resonance associated with intrinsic constituent and extrinsic structure are two kinds of fundamental attenuation mechanisms for microwave absorbers, but remain extremely challenging in revealing the composition‐morphology‐performance correlation. Herein, hierarchical MXene/metal‐organic framework derivatives with coherent boundaries and magnetic units below critical grain size are constructed to realize synergistic dielectric–magnetic enhancement by phase‐evolution engineering and dynamic magnetic resonance. Specifically, phase‐evolution induced inseparable interfaces, diverse incompatible phases, and defects/vacancies contribute to dielectric polarization, while…

• NN
  National Natural Science Foundation of China

  Awards: 61790581, 52231007, 11727807, 22088101, U21A2093, 52271167, 51725101
• NS
  Natural Science Foundation of Shaanxi Province

  Award: 2022JM‐260
• FR
  Fundamental Research Funds for the Central Universities

  Award: G2022KY05109
• PO
  Program of Shanghai Academic Research Leader

  Award: 19XD1400400