DOI: 10.1063/1.1370986. Electrodeposition of highly uniform magnetic nanoparticle arrays in ordered alumite

Electrodeposition of highly uniform magnetic nanoparticle arrays in ordered alumite

10.1063/1.1370986

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report the fabrication of nanometer scale ordered arrays of magnetic cylindrical nanoparticles with low aspect ratio (height/radius a=0.2–7) and ultrahigh uniformity. Anodization and electrochemical deposition are employed for template synthesis and metal particle growth, respectively. Particle uniformity is achieved by an electrodeposition scheme, utilizing pulse reverse voltage wave forms to control nucleation and growth of the particles. The resulting nanoparticles are polycrystalline and grains are randomly oriented. The magnetic properties of the array are dominated by particle shape and by interparticle magnetostatic interactions. A very clear transition of the anisotropy from perpendicular to in plane is observed at an aspect ratio a of about two. The arrays exhibit good thermal stability, demonstrating a great potential of these structures as future recording media in a patterned scheme. The pulse reverse electrodeposition technique shows great promise for the synthesis of nanostructures of various nature.

Bibliography

Sun, M., Zangari, G., Shamsuzzoha, M., & Metzger, R. M. (2001). Electrodeposition of highly uniform magnetic nanoparticle arrays in ordered alumite. Applied Physics Letters, 78(19), 2964â2966.

Authors 4

Ming Sun (first)
Giovanni Zangari (additional)
Mohammad Shamsuzzoha (additional)
Robert M. Metzger (additional)

References 16 Referenced 95

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{'key': '2024020320064133800_r7'}
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10.1109/20.809134 / IEEE Trans. Magn. (1999)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:17 a.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 3:06 p.m.)
Indexed	3 months, 1 week ago (May 27, 2025, 1:45 a.m.)
Issued	24 years, 3 months ago (May 7, 2001)
Published	24 years, 3 months ago (May 7, 2001)
Published Print	24 years, 3 months ago (May 7, 2001)

Funders 0

None

BibTeX

@article{Sun_2001, title={Electrodeposition of highly uniform magnetic nanoparticle arrays in ordered alumite}, volume={78}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1370986}, DOI={10.1063/1.1370986}, number={19}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Sun, Ming and Zangari, Giovanni and Shamsuzzoha, Mohammad and Metzger, Robert M.}, year={2001}, month=may, pages={2964–2966} }

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