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Magneto-sensitive nickel nanowires fabricated by electrodeposition into multi- and single-ion track templates

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Abstract

Polycarbonate templates of (30±1) μm thickness containing cylindrical etched-track nanochannels of (500±50) nm diameter were used for electrodeposition of Ni nanowires. Using 104 channels per cm2, the most favourable deposition potential of  − 1.0 V was determined in a potentiostatic mode by varying the deposition potential with respect to an Ag/AgCl reference electrode over a range between  − 0.1 V and  − 1.5 V. The deposition efficiency at  − 1.0 V was estimated around 10%. The resulting single wires had a resistance around 200 Ω and showed an anisotropic magnetoresistance (AMR) effect of 1%, applicable to directionally sensitive magnetic field sensors.

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Acknowledgements

This work was supported in part by European Network on Ion Track Technology, EuNITT (HPRN-CT-2000-00047), Izumi Science & Technology Foundation (H16-J-139), Saneyoshi Scholarship Foundation (No. 1708), Mitutoyo Association for Science & Technology (MAST), Yazaki Memorial Foundation for Science & Technology and Japan Society for the Promotion of Science, Grant-in-aid for Young Scientists (B) (No. 17760581).

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Authors and Affiliations

  1. Materials Research Department, Gesellschaft für Schwerionenforschung (GSI), D-64291, Darmstadt, Germany

    T. Ohgai, I. Enculescu, C. Zet, R. Spohr & R. Neumann

  2. The Svedberg Laboratory, Uppsala University, Box 533, S-75121, Uppsala, Sweden

    L. Westerberg

  3. The Angstrom Laboratory, Uppsala University, Box 534, S-75120, Uppsala, Sweden

    K. Hjort & R. Spohr

  4. Faculty of Engineering, Nagasaki University, Nagasaki, 852-8521, Japan

    T. Ohgai

  5. National Institute of Materials Physics, 76900, Bucharest, Romania

    I. Enculescu

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  1. T. Ohgai
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  2. I. Enculescu
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  3. C. Zet
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  4. L. Westerberg
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  5. K. Hjort
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  6. R. Spohr
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  7. R. Neumann
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Correspondence to T. Ohgai.

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Ohgai, T., Enculescu, I., Zet, C. et al. Magneto-sensitive nickel nanowires fabricated by electrodeposition into multi- and single-ion track templates. J Appl Electrochem 36, 1157–1162 (2006). https://doi.org/10.1007/s10800-006-9200-5

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  • DOI: https://doi.org/10.1007/s10800-006-9200-5

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