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2008 | 113 | 3 | 1021-1024
Article title

Catalyst-Free Growth of Magnesium Oxide Whiskers and Their Characteristics

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EN
Abstracts
EN
This study reports the production of magnesium oxide (MgO) whiskers on silicon (Si) substrates by the thermal heating of MgB_2 powders. We investigated the structural properties of the as-synthesized whiskers by using X-ray diffraction, transmission electron microscopy, selected area electron diffraction, and scanning electron microscopy. The product consisted of one-dimensional whiskers with a square cross-section. The whiskers had a single-crystalline cubic structure of MgO. The photoluminescence measurement with the Gaussian fitting exhibited visible light emission bands centered at 2.39 eV and 2.91 eV. We proposed the growth of MgO whiskers to follow the vapor-solid mechanism.
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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
author
  • Advanced Materials R&D Center, Korea Institute of Industrial Technology, Republic of Korea
References
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n353kz
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