TITLE

Charge transport in a CoPt3 nanocrystal microwire

AUTHOR(S)
Beecher, P.; De Marzi, G.; Quinn, A. J.; Redmond, G.; Shevchenko, E. V.; Weller, H.
PUB. DATE
December 2004
SOURCE
Applied Physics Letters;12/6/2004, Vol. 85 Issue 23, p5706
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The electrical characteristics of single CoPt3 nanocrystal microwires formed by magnetic field-directed growth from colloidal solutions are presented. The wires comprise disordered assemblies of discrete nanocrystals, separated from each other by protective organic ligand shells. Electrical data indicate that the activated charge transport properties of the wires are determined by the nanocrystal charging energy, governed by the size and capacitance of the individual nanocrystals. Focused ion beam-assisted deposition of Pt metal at the wire-electrode junctions is employed to optimize the wire-electrode contacts, whilst maintaining the nanocrystal-dominated transport characteristics of these one-dimensional nanocrystal structures.
ACCESSION #
15305369

 

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