Nanowires for optoelectronic device applications
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Gao, Q.
Joyce, H. J.
Paiman, S.
Kang, J. H.
Tan, H. H.
Kim, Y.
Smith, L. M.
Jackson, H. E.
Yarrison-Rice, J. M.
Zhang, X.
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Abstract
GaAs and InP based nanowires were grown epitaxially on GaAs or InP (111)B substrates by metalorganic chemical vapor deposition using Au nanoparticles as catalyst. In this paper, we will give an overview of nanowire research activities in our group. In particular, the effects of growth parameters for GaAs and InP nanowires on the crystal quality were studied in detail. We demonstrated the ability to obtain defect-free GaAs nanowires via either two-temperature procedure, or by controlling V/III ratio or growth rate. The crystal structure of InP nanowires, ie, WZ or ZB, can also be engineered by just controlling the V/III ratio.
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Physica Status Solidi (C) Current Topics in Solid State Physics
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