2007 NSTI Nanotechnology Conference and Trade Show - Nanotech 2007 - 10th Annual

Transition Metal Oxide Core-Shell Nanowires: Synthesis and Electronic Properties

C. Zhou
University of Southern California, US

transition metal oxide, nanowire

We will present a generic nonequilibrium synthesis technique that has been invented to produce a distinct family of transition metal oxide nanowires, including YBa2Cu3O6.66, La0.67Ca0.33MnO3, PbZr0.58Ti0.42O3 and Fe3O4 .Key to our success is the growth of vertically aligned single-crystalline MgO nanowires, which worked as excellent templates for epitaxial deposition of the desired transition metal oxides and led to high-quality core-shell nanowires. Transport studies have been performed on La0.67Ca0.33MnO3, a0.67Sr0.33MnO3 and Fe3O4 nanoiwres. Intriguing magnetoresistance has been observed with these nanostructures at low and elevated temperatures.Our technique will enable various in-depth studies such as phase transition in nanoscale oxides and may pave the way for novel applications of these fascinating materials.

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Nanotech 2007 Conference Program Abstract


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