Non-lithographic formation of three dimensional periodic nanostructures by germanium nanowire etching |
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Authors: | Huang Xuezhen Coffer Jeffery L |
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Institution: | Department of Chemistry, Texas Christian University, Fort Worth, Texas 76129, USA. |
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Abstract: | The intrinsic reactivity of curved nanoscale germanium surfaces, under carefully controlled anodic etch conditions, is exploited to produce intricate three-dimensional helical patterns. Such structures, retaining crystalline Ge character and yielding strong visible emission, demonstrate a feature spacing of a periodic nature that correlates with their measured width. |
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