FFT-impedance spectroscopy analysis of the growth of magnetic metal nanowires in ultra-high aspect ratio InP membranes.

Gerngross, M. D., Carstensen, J., Foll, H. and Adelung, Rainer (2016) FFT-impedance spectroscopy analysis of the growth of magnetic metal nanowires in ultra-high aspect ratio InP membranes. Semiconductor Science and Technology, 31 (1). DOI https://doi.org/10.1088/0268-1242/31/1/014005.

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Abstract

This paper reports on the characterization of the electrochemical growth process of magnetic nanowires in ultra-high-aspect ratio InP membranes via in situ fast Fourier transform impedance spectroscopy in a typical frequency range from 75 Hz to 18.5 kHz. The measured impedance data from the Ni, Co, and FeCo can be very well fitted using the same electric equivalent circuit consisting of a series resistance in serial connection to an RC-element and a Maxwell element. The impedance data clearly indicate the similarities in the growth behavior of Ni, Co and FeCo nanowires in ultra-high aspect ratio InP membranes-the beneficial impact of boric acid on the metal deposition in ultra-high aspect ratio membranes and the diffusion limitation of boric acid, as well as differences such as passivation or side reactions.

Document Type: Article
Additional Information: Times Cited: 0 Gerngross, M-D Carstensen, J. Foell, H. Adelung, R. Si
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
Open Access Journal?: No
DOI etc.: https://doi.org/10.1088/0268-1242/31/1/014005
ISSN: 0268-1242
Projects: Future Ocean
Date Deposited: 01 Mar 2017 08:14
Last Modified: 22 May 2019 13:53
URI: http://oceanrep.geomar.de/id/eprint/36105

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