Universität zu Köln

Miguel, F. L., Mueller, R., Weinmann, M., Hempelmann, R., Mathur, S. and Muecklich, F. (2014). Production and characterization of nanocomposite thin films based on Ni matrix reinforced with SnO2 single-crystalline nanowires for electrical contact applications. J. Alloy. Compd., 603. S. 14 - 19. LAUSANNE: ELSEVIER SCIENCE SA. ISSN 1873-4669

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Abstract

Nanocomposite thin films based on electrodeposited Ni matrix reinforced with SnO2 single-crystalline nanowires grown onto Si substrates by chemical vapor deposition were produced. The composites were characterized by means of scanning and transmission electron microscopy (for imaging, selected area diffraction and transmission Kikuchi diffraction), atomic force microscopy (for 3D surface profiling and roughness evaluation) and 4-point probe electrical resistivity measurements. The Ni matrices obtained were nanocrystalline in nature (41 nm crystallite mean size) even though low direct current electrode-position was used. The topography and roughness of the samples were strongly affected by the presence of the nanowires as so was the electrical resistivity, which could be improved by Ag-coating the nanowires. A comparison with pure Ni produced in the same way is presented for determining the effects of the SnO2 nanowires. (C) 2014 Elsevier B. V. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Miguel, F. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Weinmann, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hempelmann, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mathur, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Muecklich, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-432182
DOI:	10.1016/j.jallcom.2014.03.066
Journal or Publication Title:	J. Alloy. Compd.
Volume:	603
Page Range:	S. 14 - 19
Date:	2014
Publisher:	ELSEVIER SCIENCE SA
Place of Publication:	LAUSANNE
ISSN:	1873-4669
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language NICKEL; RESISTIVITY; ULTRAFINE; MODEL Multiple languages Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/43218