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Iron Nanofibers Synthesized by the Electrospinning Method for Use as a GHz Band Electromagnetic Wave Absorber
- Issue Date
- Jan-2010
- Publisher
- American Scientific Publishers
- Keywords
- Fe Nanofiber; Electrospinning; PVP; High Frequency Electromagnetic Wave Absorption
- Citation
- Journal of Nanoscience and Nanotechnology, v.10, no.1, pp 106 - 110
- Pages
- 5
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 10
- Number
- 1
- Start Page
- 106
- End Page
- 110
- ISSN
- 1533-4880
1533-4899
- Abstract
- In this study, we fabricated Fe nanofibers that had a high aspect ratio and were coated by an oxidation protection layer, because electromagnetic properties are affected by the aspect ratio and oxidized layers. PVP/Fe salt nanofibers were prepared by an electrospinning method using an optimized concentration of PVP solution with Iron(III) nitrate nonahydrate (Fe (NO3)(3)center dot 9H(2)O) solution to apply a high voltage. Subsequently, to prepare the Fe nanofibers, the PVP/Fe salt nanofibers were heated up to 600 degrees C in air and reduced to 450 degrees C in H-2. The Fe nanofibers were then coated by PVP to prevent re-oxidation. The S-parameter of the prepared Fe nanofibers was measured by a network analyzer, and the power loss was calculated to estimate the EM absorption ability.
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)