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Charge transport in a CoPt3 nanocrystal microwire
Beecher, Paul; De Marzi, Gianluca; Quinn, Aidan J.; Redmond, Gareth; Shevchenko, E. V.; Weller, H.
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. (C) 2004 American Institute of Physics. (DOI:10.1063/1.1830684)
Keyword(s): Superlattices; Nanowires; Organization; Temperature; Transition; Monolayers; Contacts; Arrays; Size; Nanocrystals; Metal to metal contacts; Capacitance; Focused ion beam technology
Publication Date:
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Institution: University College Cork
Funder(s): Higher Education Authority
Citation(s): Beecher, P., Marzi, G. D., Quinn, A. J., Redmond, G., Shevchenko, E. V. and Weller, H. (2004) 'Charge transport in a CoPt3 nanocrystal microwire', Applied Physics Letters, 85(23), pp. 5706-5708. doi: 10.1063/1.1830684
Publisher(s): AIP Publishing
File Format(s): application/pdf
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First Indexed: 2017-09-06 06:39:38 Last Updated: 2017-09-06 06:39:38