Crystallinity-controlled iron-carbon composite nanofibersSynthesis and characteristic properties

Zhipeng Wang; Mohd Zamri Mohd Yusop; Takehiko Hihara; Yasuhiko Hayashi; Masaki Tanemura

doi:10.1016/j.jcrysgro.2010.03.023

Crystallinity-controlled iron-carbon composite nanofibersSynthesis and characteristic properties

Zhipeng Wang, Mohd Zamri Mohd Yusop, Takehiko Hihara, Yasuhiko Hayashi, Masaki Tanemura

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Aligned Fe-carbon composite nonofibers (Fe-CNFs) grew on graphite substrates bombarded by Ar ions at an oblique incident angle with a simultaneous Fe supply at room temperature. Morphology alteration and crystallinity variation of Fe-CNFs were achieved by adjusting the supply rate of Fe atoms. The effects of different Fe concentrations on the morphological and crystalline structures of Fe-CNFs were discussed in detail. The higher the Fe supply rates, the higher the Fe concentration in Fe-CNFs. Higher Fe concentration in Fe-CNFs favors the graphitization of carbon materials, but destroys the directivity of Fe-CNFs pointing to ion beam incident direction. The magnetic properties of Fe-CNFs with different Fe contents were also analyzed in detail.

Original language	English
Pages (from-to)	1935-1939
Number of pages	5
Journal	Journal of Crystal Growth
Volume	312
Issue number	12-13
DOIs	https://doi.org/10.1016/j.jcrysgro.2010.03.023
Publication status	Published - Jun 1 2010
Externally published	Yes

Keywords

A1. Amorphous
A1. Polycrystalline
A3. Ion irradiation
B1. Iron-carbon composite nanofiber
B2. Coercivity
B2. Magnetic properties

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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title = "Crystallinity-controlled iron-carbon composite nanofibersSynthesis and characteristic properties",

abstract = "Aligned Fe-carbon composite nonofibers (Fe-CNFs) grew on graphite substrates bombarded by Ar ions at an oblique incident angle with a simultaneous Fe supply at room temperature. Morphology alteration and crystallinity variation of Fe-CNFs were achieved by adjusting the supply rate of Fe atoms. The effects of different Fe concentrations on the morphological and crystalline structures of Fe-CNFs were discussed in detail. The higher the Fe supply rates, the higher the Fe concentration in Fe-CNFs. Higher Fe concentration in Fe-CNFs favors the graphitization of carbon materials, but destroys the directivity of Fe-CNFs pointing to ion beam incident direction. The magnetic properties of Fe-CNFs with different Fe contents were also analyzed in detail.",

keywords = "A1. Amorphous, A1. Polycrystalline, A3. Ion irradiation, B1. Iron-carbon composite nanofiber, B2. Coercivity, B2. Magnetic properties",

author = "Zhipeng Wang and {Mohd Yusop}, {Mohd Zamri} and Takehiko Hihara and Yasuhiko Hayashi and Masaki Tanemura",

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T1 - Crystallinity-controlled iron-carbon composite nanofibersSynthesis and characteristic properties

AU - Wang, Zhipeng

AU - Mohd Yusop, Mohd Zamri

AU - Hihara, Takehiko

AU - Hayashi, Yasuhiko

AU - Tanemura, Masaki

PY - 2010/6/1

Y1 - 2010/6/1

N2 - Aligned Fe-carbon composite nonofibers (Fe-CNFs) grew on graphite substrates bombarded by Ar ions at an oblique incident angle with a simultaneous Fe supply at room temperature. Morphology alteration and crystallinity variation of Fe-CNFs were achieved by adjusting the supply rate of Fe atoms. The effects of different Fe concentrations on the morphological and crystalline structures of Fe-CNFs were discussed in detail. The higher the Fe supply rates, the higher the Fe concentration in Fe-CNFs. Higher Fe concentration in Fe-CNFs favors the graphitization of carbon materials, but destroys the directivity of Fe-CNFs pointing to ion beam incident direction. The magnetic properties of Fe-CNFs with different Fe contents were also analyzed in detail.

AB - Aligned Fe-carbon composite nonofibers (Fe-CNFs) grew on graphite substrates bombarded by Ar ions at an oblique incident angle with a simultaneous Fe supply at room temperature. Morphology alteration and crystallinity variation of Fe-CNFs were achieved by adjusting the supply rate of Fe atoms. The effects of different Fe concentrations on the morphological and crystalline structures of Fe-CNFs were discussed in detail. The higher the Fe supply rates, the higher the Fe concentration in Fe-CNFs. Higher Fe concentration in Fe-CNFs favors the graphitization of carbon materials, but destroys the directivity of Fe-CNFs pointing to ion beam incident direction. The magnetic properties of Fe-CNFs with different Fe contents were also analyzed in detail.

KW - A1. Amorphous

KW - A1. Polycrystalline

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KW - B2. Magnetic properties

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