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High density p-type Bi0.5Sb1.5Te3 nanowires by electrochemical templating through ion-track lithography

Li, Xiaohong, Koukharenko, Elena, Nandhakumar, Iris S., Tudor, John, Beeby, Steve P. and White, Neil M. (2009) High density p-type Bi0.5Sb1.5Te3 nanowires by electrochemical templating through ion-track lithography Physical Chemistry Chemical Physics, 11, (18), pp. 3584-3590. (doi:10.1039/b818040g).

Record type: Article


High density p-type Bi0.5Sb1.5Te3 nanowire arrays are produced by a combination of electrodeposition and ion-track lithography technology. Initially, the electrodeposition of p-type Bi0.5Sb1.5Te3 films is investigated to find out the optimal conditions for the deposition of nanowires. Polyimide-based Kapton foils are chosen as a polymer for ion track irradiation and nanotemplating Bi0.5Sb1.5Te3 nanowires. The obtained nanowires have average diameters of 80 nm and lengths of 20 ?m, which are equivalent to the pore size and thickness of Kapton foils. The nanowires exhibit a preferential orientation along the {110} plane with a composition of 11.26 at.% Bi, 26.23 at.% Sb, and 62.51 at.% Te. Temperature dependence studies of the electrical resistance show the semiconducting nature of the nanowires with a negative temperature coefficient of resistance and band gap energy of 0.089 ± 0.006 eV

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Submitted date: 14 October 2008
Published date: 2009
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 66545
ISSN: 1463-9076
PURE UUID: 28cf7d94-4dba-47b5-b0a8-2fed55c691bf
ORCID for Steve P. Beeby: ORCID iD
ORCID for Neil M. White: ORCID iD

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Date deposited: 29 Jun 2009
Last modified: 19 Jul 2017 00:24

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Author: Xiaohong Li
Author: Elena Koukharenko
Author: John Tudor
Author: Steve P. Beeby ORCID iD
Author: Neil M. White ORCID iD

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