Electrodeposition of Nickel Particles and their Characterization

Authors

  • Gerardo T. Martínez Centro de Investigación en Química Aplicada
  • Genaro Zavala Instituto Tecnológico y de Estudios Superiores de Monterrey
  • Marcelo Videa Instituto Tecnológico y de Estudios Superiores de Monterrey

DOI:

https://doi.org/10.29356/jmcs.v53i1.1011

Keywords:

Electrodeposition, magnetic nanoparticles, Atomic Force Microscopy, Magnetic Force Microscopy

Abstract

Electrodeposition of nickel particles on ITO substrates is achieved by current pulse reduction. A comparison between potential pulse and current pulse experiments presents differences in particle size and particle size distribution. The latter shows smaller particle size dispersion than what is found with potential pulses. Characterization of the particles carried out by Atomic Force Microscopy shows particles with average sizes between 100 to 300 nm. Magnetic characterization by Magnetic Force Microscopy and SQUID shows that particles of ~300 nm were ferromagnetic with a coercive field of 200 Oe and a saturation magnetization of 40 × 10-6 emu at 300 K.

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Author Biographies

Gerardo T. Martínez, Centro de Investigación en Química Aplicada

Laboratorio de Microscopía

Genaro Zavala, Instituto Tecnológico y de Estudios Superiores de Monterrey

Departamento de Física

Marcelo Videa, Instituto Tecnológico y de Estudios Superiores de Monterrey

Departamento de Química

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Published

2019-06-24

Issue

Vol. 53 No. 1 (2009): Regular Issue

Section

Regular Articles

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