Three-dimensional structure of helical and zigzagged nanowires using electron tomography |
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Authors: | Kim Han Sung Hwang Seon Oh Myung Yoon Park Jeunghee Bae Seung Yong Ahn Jae Pyoung |
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Affiliation: | Department of Chemistry, Korea University, Jochiwon 339-700, Korea. |
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Abstract: | Electron tomography and high-resolution transmission electron microscopy were used to characterize the unique three-dimensional structures of helical or zigzagged GaN, ZnGa2O4, and Zn2SnO4 nanowires. The GaN nanowires adopt a helical structure that consists of six equivalent <011> growth directions with the axial 0001] direction. We also confirmed that the ZnGa2O4 nanosprings have four equivalent <011> growth directions with the 001] axial direction. The zigzagged Zn2SnO4 nanowires consisted of linked rhombohedrons having the side edges matched to the <110> direction and the 111] axial direction. |
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