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Epitaxial Germanium Nanowires on GaAs Grown by Chemical Vapor Deposition

Kim, Yong; Song, Man Suk; Kim, Young Dae; Jung, Jae Hun; Gao, Qiang; Jagadish, Chennupati; Tan, Hark Hoe


We successfully synthesized epitaxial Ge nanowires on GaAs (100) and GaAs (111)B substrates by using Au-nanoparticle-catalyzed chemical vapor deposition. From an analysis of the inclined angles of the Ge nanowires to the substrate normal, we find that the epitaxial Ge nanowires grow along the 〈110〉 directions regardless of the substrate's orientation. This is in contrast with epitaxial Ge nanowires on Si and Ge substrates, which grow predominantly along the 〈111〉 direction. In addition,...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Journal of the Korean Physical Society


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