TITLE

Magnesium oxide nanowires synthesized by pulsed liquid-injection metal organic chemical vapor deposition

AUTHOR(S)
Lai, Y. F.; Chaudouët, P.; Charlot, F.; Matko, I.; Dubourdieu, C.
PUB. DATE
January 2009
SOURCE
Applied Physics Letters;1/12/2009, Vol. 94 Issue 2, pN.PAG
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Vertically aligned MgO nanowires were epitaxially grown at 600 °C on Au-coated MgO (001) substrates by metal organic chemical vapor deposition using Mg(tmhd)2 precursor. Discrete Au particles were embedded in the wires and distributed along the central axis. Scanning and transmission electron microscopy show that the orientation, diameter, and length of the wires strongly depend on the processing conditions such as oxygen partial pressure and reactive species flow rate as well as the starting Au thickness. Diameters down to 15–20 nm were obtained. The growth can be switched from vertical to horizontal wires by decreasing the period at which reactants are supplied.
ACCESSION #
36258475

 

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