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A novel selective area growth method for ZnO crystals was developed by a combination of catalyst arrangement using nanoindentation and electric current heating. The crystal growth of ZnO nanowhiskers was initiated from the catalyst. The nanowhiskers varied in size from a diameter of 70 to 300 nm and a length of 1 to 20 μm. Among the nanowhiskers obtained, a novel zigzag nanowhisker appeared. The one-dimensionality...
When a Zn wire was heated by electric current, ZnO whiskers grew on the wire surface. The average diameters of the whiskers grown under O 2 , 20% O 2 and Ar atmospheres were 0.12, 0.17 and 0.4 μm, respectively. The well-known visible emission was observed from the whiskers grown under O 2 and 20% O 2 atmospheres. The whiskers grown under Ar atmosphere showed strong...
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