Liu, X. G. and Geng, D. Y. and Choi, C. J. and Kim, J. C. and Zhang, Z. D. (2009) Magnetic properties, complex permittivity and permeability of FeNi nanoparticles and FeNi/AlOx nanocapsules. Journal of Nanoparticle Research, 11 (8). pp. 2097-2104.
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Structures, surface composition, magnetic properties, and electromagnetic properties of FeNi nanoparticles and FeNi/AlO x nanocapsules were investigated. The compositions of these nanoparticles/nanocapsules were found to be quite different from those of the corresponding targets. Al atoms could promote the evaporation of Fe atoms and suppress the evaporation of Ni atoms in the arc discharge process. The protective AlO x shell can effectively increase the resistivity of FeNi nanocapsules and suppress the growth of FeNi nanoparticles and reduce their magnetization. For FeNi nanoparticles/nanocapsules, the same natural resonance appearing at 6.4 GHz originates mainly from magnetic FeNi cores. FeNi nanoparticles/nanocapsules exhibit promising possibility for application as a new type of electromagnetic wave shield/absorbent.
|Uncontrolled Keywords:||Nanoparticles - Shell/core structure - Magnetic properties - Electromagnetic properties - Nanocomposites - Nanoelectronics|
|Subjects:||Physical Science > Nanoelectronics|
Material Science > Nanostructured materials
Engineering > Nanotechnology applications in ICT
|Deposited On:||07 Jan 2010 15:00|
|Last Modified:||07 Jan 2010 15:00|
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