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; 文章编号:1672-7207(2012)03-0906-05 Hydrothermal synthesis and microwave absorption of sharp octahedral Fe3O4 crystals ZHOU Ke-sheng1, LU Yu-e1, YIN Li-song1... frequency and the absorption bandwidth less than -10 dB is 7.9 GHz after hydrothermal growth of 12 h. The microwave absorption is caused by magnetic loss mainly and dielectric loss secondly in the low......
. Moreover, in the range of 8-18 GHz, steel fiber, carbon fiber and PVA fiber all can improve the microwave absorption properties of concrete. The concrete with 0.5% carbon fiber can achieve the best...Electromagnetic Shielding and Absorption Properties of Fiber Reinforced Cementitious Composites张秀芝1,2,孙伟21. School of Materials Science and Engineering, University of Jinan2. School of Materials......
Microwave Absorption Studies of M-Type Ferrite Doped with Lanthanum Prepared by Citric Acid Sol-Gel刘学东,卢佃清,徐超,周朕摘 要:M type hexagonal ferrite (La0.5K0.5)xBa1-xFe12O19 (x=0.0, 0.1, 0.3, 0.5) doped with Lanthanum were synthesized through a citric acid sol-gel auto-combustion. The microwave absorption properties of M type hexagonal ferrite (La0.5K0.5......
Preparation and microwave absorption properties of Ni(Co/Zn/Cu)Fe2O4/SiC@SiO2 compositesPeng Wang,Ping-An Liu,Sheng YeSchool of Materials Science and Engineering, South China University of Technology... of SiC@SiO2. Coaxial method was used to measure the microwave absorption properties of the prepared composites in the frequency range of 2-18 GHz. When 70 wt% SiC is wrapped by 30 wt% SiO2,and 50 wt......
Crystal microstructure, infrared absorption, and microwave electromagnetic properties of (La1-xDyx)2/3Sr1/3MnO3LIU Jian, YUN Guohong, and SU Meiling Department of Physics, Inner Mongolia University... by solid state reaction in atmosphere to measure their X-ray diffraction (XRD) patterns, scanning electric microscope (SEM) images, infrared absorption spectra, and microwave electromagnetic......
have better microwave absorption property. 4) When the solvothermal temperature is 250 ℃, pH is 6 and SnO2 content is 8%, the powders prepared are of good microwave absorption.References [1] JIANG... on the products phase and microwave absorption were investigated by X-ray diffractometry and microwave reflectance. ITO nanopowders with cubic structure can be respectively prepared at 250 and 270......
Enhanced Microwave Absorption Properties of Double-Layer Absorbers Based on Spherical NiO and Co0.2Ni0.4Zn0.4Fe2O4 Ferrite CompositesPei-Jiang Liu1,2,3,Zheng-Jun Yao1,2,Vincent Ming Hong Ng3,Jin-Tang... and Application Technology3. School of Materials Science and Engineering, Nanyang Technological University摘 要:Microwave absorption properties of spherical NiO particles......
3D carbon network supported porous SiOC ceramics with enhanced microwave absorption propertiesChen Chen,Sifan Zeng,Xiaochun Han,Yongqiang Tan,Wanlin Feng,Huahai Shen,Shuming Peng,Haibin... are much larger than that of paraffin-based composite with ordinary SiOC. It is found that the porous structure of SiOC is crucial to achieve its high microwave absorption performance by improving both......
and microwave absorbing materials. Key words: glass-coated amorphous microwires; magnetic property; magnetic microwires-dielectric composite; natural ferro- magnetic resonance; electric dipole resonance... Magnetic and microwave properties of glass-coated amorphous ferromagnetic microwires DI Yong-jiang(邸永江), JIANG Jian-jun(江建军), DU Gang(杜 刚), TIAN Bin(田 斌), BIE Shao-wei(别少伟), HE Hua-hui(何华辉......
Absorption Property of YAG: Sm Phosphors Prepared using Sol-Gel Combustion Method Wang lixi1,Mu Lei1,Zhang Qitu1,Huang Yun1 (1.College of Materials Science and Engineering, Nanjing University... that there were several apparent characteristic absorption peaks due to the 4f→4f inner shell electron transitions from the 6H5/2 ground state to 6FJ (J=9/2,7/2 and 5/2) excited state of Sm3+. Moreover......
