Co/CeO<sub>2</sub>/C composites derived from bimetallic metal–organic frameworks for efficient microwave absorption
Zhiqian Yao, Suqiong Xu, Xianke Zhang, Jiawei Zhu, Peng Liao, Jüjun Yuan, Chuicai Rong, Xiaoqing Liu, Zuzhou Xiong, Shuying Kang, Fangguang Kuang
Abstract
Co/CeO 2 /C shows an RL min of −45.22 dB and an EAB of 4.61 GHz at 1.75 mm. The MA performance of Co/CeO 2 /C is mainly attributed to the dielectric loss due to interfacial polarization and dipole polarization caused by oxygen vacancies in CeO 2 .
Topics & Concepts
Bimetallic stripMaterials scienceMetal-organic frameworkMicrowaveDielectricPolarization (electrochemistry)DipoleMetalAbsorption (acoustics)Composite materialDielectric lossChemical engineeringOptoelectronicsMetallurgyChemistryPhysical chemistryOrganic chemistryAdsorptionTelecommunicationsEngineeringComputer scienceElectromagnetic wave absorption materialsAdvanced Antenna and Metasurface TechnologiesDielectric materials and actuators