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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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Composition-Tuned ConSi Nanowires: Location-Selective Simultaneous Growth along Temperature Gradient

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Title
Composition-Tuned ConSi Nanowires: Location-Selective Simultaneous Growth along Temperature Gradient
Other Titles
Composition-Tuned ConSi Nanowires: Location-Selective Simultaneous Growth along Temperature Gradient
Author
Seo, KwanyongLee, SunghunYoon, HanaIn, JunehoVaradwaj, Kumar S. K.Jo, YounghunJung, Myung-HwaKim, JinheeKim, Bongsoo
Keywords
nanowires; transition metal silicides; cobalt silicide; single-crystalline; crystal engineering; metastable compounds
Issue Date
2009-05
Publisher
AMER CHEMICAL SOC
Citation
ACS NANO, v.3, no.5, pp.1145 - 1150
Abstract
We report the simultaneous and selective synthesis of sing le-crystalline ConSi NWs (n = 1-3) and their corresponding crystal structures-simple cubic (CoSi), orthorhombic (Co2Si), and face-centered cubic (Co3Si)-following a composition change. ConSi NWs were synthesized by placing the sapphire substrates along a temperature gradient. The synthetic process is a successful demonstration of tuning the chemical composition in ConSi NWs. The synthesis and detailed crystal structure of single-crystalline Co2Si and Co3Si are reported for the first time including the bulk and the nanostructure phases. The electrical and magnetic properties of Co2Si NWs are investigated and compared with those of CoSi NWs
URI
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DOI
10.1021/nn900191g
ISSN
1936-0851
Appears in Collections:
ECHE_Journal Papers
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