Journal
CRYSTAL GROWTH & DESIGN
Volume 10, Issue 1, Pages 414-417Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg9010168
Keywords
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Funding
- Academy of Finland [128445]
- European Commission [MIFI-CT-2005-022110]
- National Basic Research Programme of China [2006CB300404]
- National Natural Science Foundation of China [60976003]
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The controlled growth of MgO nanorods was investigated under electron irradiation in transmission electron microscopes at accelerating voltages from 120 to 300 kV in the temperature range from -175 to 610 degrees C. The nanorod growth on the surface of MgO crystals was induced by Au, Pt, Ni, or Co particles of 2-4 run in size. The nanorods were grown tip to 8 nut after 5-30 min of electron irradiation time with beam current densities of 100-600 A/cm(2). The mechanism of nanorod formation and growth is explained on the basis of electrostatic interactions between positive ions of MgO species and negatively charged metal particles.
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