Microwave absorption properties and mechanism for hollow Fe3O4 nanosphere composites
作者： Z.W. Li , Z.H. Yang
DOI: 10.1016/J.JMMM.2015.03.087
关键词:
摘要: Abstract Hollow Fe 3 O 4 nanospheres with the diameter of 450 nm and wall thickness 80 nm are prepared using Ostwald ripening process. The composites filled hollow 60 wt% have good high-frequency absorption properties. In RL–f curves, two frequencies found, which their origins in quarter-wavelength resonator magnetic resonance, respectively. Based on model, calculated f A 1 RL a agreement observed values. Due to overlap absorptions, frequency band is expanded. composite light weight density 2.71 g/cm3 has bandwidth W P 65% return loss ≤ − 10 dB at 0.3 cm for EM or attenuation applications.
harvard.edu
elsevier.com
sci-hub.se 参考文章(22)
Z. W. Li, Linfeng Chen, Yuping Wu, C. K. Ong, Microwave attenuation properties of W-type barium ferrite BaZn2−xCoxFe16O27 composites Journal of Applied Physics. ,vol. 96, pp. 534- 539 ,(2004) , 10.1063/1.1757660
Z. W. Li, L. B. Kong, Z. H. Yang, Study of matching characteristics for Ni0.97−xZnxCo0.03Fe2O4 spinel ferrites Journal of Applied Physics. ,vol. 105, pp. 113912- ,(2009) , 10.1063/1.3133231
Z. W. Li, Lin Guoqing, Linfeng Chen, Wu Yuping, C. K. Ong, Co2+Ti4+ substituted Z-type barium ferrite with enhanced imaginary permeability and resonance frequency Journal of Applied Physics. ,vol. 99, pp. 063905- ,(2006) , 10.1063/1.2180431
Bochong Wang, Jianqiang Wei, Yong Yang, Tao Wang, Fashen Li, Investigation on peak frequency of the microwave absorption for carbonyl iron/epoxy resin composite Journal of Magnetism and Magnetic Materials. ,vol. 323, pp. 1101- 1103 ,(2011) , 10.1016/J.JMMM.2010.12.028
YB Xu, M Lu, QY Jin, C Hu, YZ Miao, Y Zhai, QS Bie, HR Zhai, GL Dunifer, R Naik, M Ahmad, None, Interlayer coupling and spin polarization of the nonmagnetic layers in Fe/Cu and Fe/Ag CMFs Journal of Applied Physics. ,vol. 75, pp. 6190- 6192 ,(1994) , 10.1063/1.355452
P.H. Zhou, J.L. Xie, Y.Q. Liu, L.J. Deng, Composition dependence of microstructure, magnetic and microwave properties in ball-milled FeSiB nanocrystalline flakes Journal of Magnetism and Magnetic Materials. ,vol. 320, pp. 3390- 3393 ,(2008) , 10.1016/J.JMMM.2008.07.020
H. J. Kwon, J. Y. Shin, J. H. Oh, The microwave absorbing and resonance phenomena of Y‐type hexagonal ferrite microwave absorbers Journal of Applied Physics. ,vol. 75, pp. 6109- 6111 ,(1994) , 10.1063/1.355476
S. B. Cho, D. H. Kang, J. H. Oh, Relationship between magnetic properties and microwave-absorbing characteristics of NiZnCo ferrite composites Journal of Materials Science. ,vol. 31, pp. 4719- 4722 ,(1996) , 10.1007/BF00366375
L. Z. Wu, J. Ding, H. B. Jiang, C. P. Neo, L. F. Chen, C. K. Ong, High frequency complex permeability of iron particles in a nonmagnetic matrix Journal of Applied Physics. ,vol. 99, pp. 083905- ,(2006) , 10.1063/1.2190719
Z. W. Li, Y. B. Gan, Xu Xin, G. Q. Lin, Characteristics of effective permeability and resonance frequency for barium-ferrite∕epoxy composites Journal of Applied Physics. ,vol. 103, pp. 073901- ,(2008) , 10.1063/1.2899958