2000
DOI: 10.1088/0964-1726/9/4/304
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Development and characterization of micro-coil carbon fibers by a microwave CVD system

Abstract: Nano-and micro-coiled carbon fibers find applications in electronic devices, electromagnetic absorbers and filters. Smart devices can be conceived using tunable films on these fibers and tunable host materials. A new method of producing helical carbon fibers with dimensions in the order of less than a micrometer has been developed using microwaves. The microwave CVD system presented here eliminates the use of the toxic impurity gas, which is required in the conventional method. Both methods involve gas phase r… Show more

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Cited by 37 publications
(18 citation statements)
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“…In order to get the optimal reaction condition for the growth of carbon microcoils, a series of experiments have been done to check the effect of reaction temperature, reaction time, flow rate and the size of Ni particle. The results were shown in our previous paper [7].…”
Section: Synthesis Of Carbon Microcoilssupporting
confidence: 81%
See 1 more Smart Citation
“…In order to get the optimal reaction condition for the growth of carbon microcoils, a series of experiments have been done to check the effect of reaction temperature, reaction time, flow rate and the size of Ni particle. The results were shown in our previous paper [7].…”
Section: Synthesis Of Carbon Microcoilssupporting
confidence: 81%
“…Furthermore, the helical structure makes microcoils as potential candidates for effective fillers in EM shielding and absorber materials. Varadan, et. al reported about 15 dB of reflection reduction from carbon microcoils in a free space measurement [7].…”
Section: Properties and Applicationsmentioning
confidence: 99%
“…of SPIE Vol. 5055 211 nanostructures by microwave CVD just like their micro coil counterparts as presented by Varadan et.al [31]. Figure 8 shows helical nanotubes obtained by the microwave CVD method presented above.…”
Section: Gas Inletmentioning
confidence: 69%
“…This method has been successfully adopted for the fabrication of long (in the order of several centimeters) micro- [31] and nano- [32] coiled carbon fibers. These materials are observed to have large surface area with excellent mechanical, electrical and electronic properties.…”
Section: Introductionmentioning
confidence: 99%
“…Large quantity production of MWCNT has been reported by the Varadan's group [11]. MWCNTs were grown on Silicon carbide substrate using Microwave assisted Chemical Vapor Deposition (CVD).…”
Section: Fabrication and Characterization Of Mwcntmentioning
confidence: 99%