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The role of defects and growth directions in the formation of periodically twinned and kinked unseeded germanium nanowires
Date
2011
Abstract
Here we show the impact of preferred growth directions and defects in the formation of complex Ge nanowire (NW) structures grown by a simple organic medium based synthesis. Various types of NWs 15 are examined including: straight defect free NWs; periodically bent NWs with precise angles between the NW segments; NWs with mutually exclusive lateral or longitudinal faults; and more complex â wormlikeâ structures. We show that choice of solvent and reaction temperature can be used to tune the morphology of the NWs formed. The various types of NWs were probed in depth using transmission electron microscopy (TEM), scanning electron microscopy (SEM), selected area electron diffraction (SAED) and dark field TEM (DFTEM).
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Description
peer-reviewed
Publisher
American Chemical Society
Citation
Crystal Growth and Design;11(17), pp. 3266-3272
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Ryan_2011_role.pdf
Adobe PDF, 2.38 MB
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Funding Information
Science Foundation Ireland (SFI), Irish Governmentâ s Programme for Research in Third Level Institutions, Cycle 4, Irish Research Council for Science, Engineering and Technology (IRCSET)