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Seo, Kwanyong
The SEO Group
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  • Flexible solar cell, transparent solar cell, PV-battery hybrid system, hetero-junction solar cell

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Diffusion-Driven Crystal Structure Transformation: Synthesis of Heusler Alloy Fe3Si Nanowires

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Title
Diffusion-Driven Crystal Structure Transformation: Synthesis of Heusler Alloy Fe3Si Nanowires
Other Titles
Diffusion-Driven Crystal Structure Transformation: Synthesis of Heusler Alloy Fe3Si Nanowires
Author
Seo, KwanyongBagkar, NitinKim, Si-inIn, JunehoYoon, HanaJo, YounghunKim, Bongsoo
Keywords
Metal silicide; nanowire; crystal transformation; magnetic materials; Heusler alloy
Issue Date
2010-09
Publisher
AMER CHEMICAL SOC
Citation
NANO LETTERS, v.10, no.9, pp.3643 - 3647
Abstract
We report fabrication of Heusler alloy Fe3Si nanowires by a diffusion-driven crystal-structure transformation method from paramagnetic FeSi nanowires. Magnetic measurements of the Fe3Si nanowire ensemble show high-temperature ferromagnetic properties with T-c >> 370 K. This methodology is also successfully applied to Co2Si nanowires in order to obtain metal-rich nanowires (Co) as another evidence of the structural transformation process. Our newly developed nanowire crystal transformation method would be valuable as a general method to fabricate metal-rich suicide nanowires that are otherwise difficult to synthesize
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DOI
10.1021/nl102093e
ISSN
1530-6984
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ECHE_Journal Papers
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