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2009 | 116 | 1 | 58-61

Article title

Fabrication and Raman Studies οf MgO/SnO_2 Core-Shell Heteronanowires

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EN

Abstracts

EN
We have reported the fabrication of MgO core/SnO_2 shell nanowires, by a two-step evaporation process. Thermal annealing induced changes in morphology, in which the nanowire surface became rough by the agglomeration of SnO_2 shell layers and its crystallinity was enhanced. It was found that three fundamental modes (475, 634, 772 cm^{-1}) and an infrared (IR)-active mode (682 cm^{-1}) of rutile SnO_2 appeared in the Raman spectrum of MgO core/SnO_2 shell nanowires. By thermal annealing, the relative intensity of the A_{2u} to the A_{1g} line was reduced, presumably due to the disorder or size effects.

Keywords

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Contributors

author
  • Division of Materials Science and Engineering, Inha University, Incheon 402-751, Republic of Korea
author
  • Division of Materials Science and Engineering, Inha University, Incheon 402-751, Republic of Korea

References

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Document Type

Publication order reference

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YADDA identifier

bwmeta1.element.bwnjournal-article-appv116n111kz
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