TITLE

Nanopropeller arrays of zinc oxide

AUTHOR(S)
Pu Xian Gao; Wang, Zhong L.
PUB. DATE
April 2004
SOURCE
Applied Physics Letters;4/12/2004, Vol. 84 Issue 15, p2883
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Polar surface dominated ZnO nanopropeller arrays were synthesized by a two-step high temperature solid-vapor deposition process. The axis of the nanopropellers is a straight nanowire along the c axis and enclosed by {2110} surfaces, which grew first; the sixfold symmetric nanoblades are later formed along the crystallographic equivalent a axes (<2110>) perpendicular to the nanowire; and the array is formed by epitaxial growth of nanoblades on the nanowire. The top surface of the nanoblade is the Zn terminated +c plane, showing surface steps and possible secondary growth of nanowires due to higher self-catalytic activity, while the back surface is the oxygen-terminated -c plane, which is smooth and inert. © 2004 American Institute of Physics.
ACCESSION #
12754104

 

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