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Effect of electrolysis factors on crystal orientation and morphology of electrodeposited cobalt

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Abstract

Cobalt electrodeposition was carried out using sulfate and chloride baths to investigate the effects of electrolysis factors on the crystal orientation and morphology of the deposits. The preferred orientation of Co deposited from the sulfate baths changed from (0 0 0 2) to (1 1 \(\bar 2\) 0) plane with an increase in the deposition overpotential and the deposits showed the largest grain size with a smooth surface in the low overpotential region. On the other hand, no dependence of crystal orientation and morphology on deposition overpotential was found in chloride baths.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Faculty of Engineering, Kyushu University, Fukuoka, Japan

    H. Nakano, S. Kawano, S. Oue & H. Fukushima

  2. Nippon Tungsten Co., Ltd., Fukuoka, Japan

    K. Nakahara

  3. Department of Industrial Chemistry, Faculty of Engineering, Kyushu Sangyo University, Fukuoka, Japan

    T. Akiyama

Authors
  1. H. Nakano
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  2. K. Nakahara
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  3. S. Kawano
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  4. S. Oue
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  5. T. Akiyama
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  6. H. Fukushima
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Correspondence to H. Nakano.

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Nakano, H., Nakahara, K., Kawano, S. et al. Effect of electrolysis factors on crystal orientation and morphology of electrodeposited cobalt. Journal of Applied Electrochemistry 32, 43–48 (2002). https://doi.org/10.1023/A:1014219106152

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