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Formation of carbon nitride nanospheres by ion implantation

Thomé, T, Colaux, JL, Terwagne, G, Colomer, J-F and Bertoni, G (2007) Formation of carbon nitride nanospheres by ion implantation Materials Chemistry and Physics, 103 (2-3). pp. 290-294.

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Abstract

Carbon nitride nanospheres have been synthesized into copper by simultaneous high fluence (10 at. cm) implantations of C and N ions. The composition of the implanted region has been measured using C(d,p)C and N(d,α)C nuclear reactions induced by a 1.05 MeV deuteron beam. The C and N depth profiles are very close and the retained doses into copper are relatively high, which indicates that carbon and nitrogen diffusion processes are likely limited during implantation. High resolution transmission electron microscopy (HRTEM) observations and electron diffraction (ED) analyses have been carried out to determine the structure of the nanospheres formed during implantation. Some consist in small hollow amorphous nanocapsules with sizes ranging from 30 to 100 nm. Large gas bubbles with diameters up to 300 nm have also been observed in the copper matrix. Electron energy-loss spectroscopy (EELS) measurements performed on the small nanocapsules indicate that their shells are composed of carbon and nitrogen. © 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Ion Beam Centre
Authors :
AuthorsEmailORCID
Thomé, TUNSPECIFIEDUNSPECIFIED
Colaux, JLUNSPECIFIEDUNSPECIFIED
Terwagne, GUNSPECIFIEDUNSPECIFIED
Colomer, J-FUNSPECIFIEDUNSPECIFIED
Bertoni, GUNSPECIFIEDUNSPECIFIED
Date : 15 June 2007
Identification Number : 10.1016/j.matchemphys.2007.02.028
Additional Information : NOTICE: this is the author’s version of a work that was accepted for publication in Materials Chemistry and Physics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Materials Chemistry and Physics, 103(2-3),June 2007, DOI 10.1016/j.matchemphys.2007.02.028.
Depositing User : Symplectic Elements
Date Deposited : 20 Mar 2013 14:32
Last Modified : 23 Sep 2013 19:58
URI: http://epubs.surrey.ac.uk/id/eprint/745711

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