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Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles

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2015
1764.pdf (390.5Kb)
Authors
Maksimović, Vesna M.
Nikolić, Nebojša D.
Kusigerski, Vladan B
Blanusa, Jovan L
Article (Published version)
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Abstract
Cobalt 3D powder particles were successfully prepared by galvanostatic electrodeposition. The electrodeposited cobalt powders were characterized by X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and SQUID magnetometry. It was shown that the morphology, structure and magnetic properties of cobalt particles were closely associated and could be easily controlled by adjusting the electrodeposition process parameters. The morphology of cobalt powder particles was strongly affected by the hydrogen evolution reaction as a parallel reaction to cobalt electrodeposition. Depending on the applied current density, two types of powder particles were formed: dendrites at lower and spongy-like particles at higher current densities. Morphologies and structures of powder particles were correlated with their magnetic properties, and compared with those of the bulk cobalt. In comparison with the properties of bulk cobalt, the obtained 3D structu...tes exhibited a decreased saturation magnetization (M-S), but an enhanced coercivity (H-C), which was explained by their peculiar morphology.

Keywords:
electrodeposition / cobalt / powder / scanning electron microscope / X-ray diffraction analysis / magnetic properties
Source:
Journal of the Serbian Chemical Society, 2015, 80, 2, 197-207
Publisher:
  • Serbian Chemical Society
Funding / projects:
  • Synthesis, processing and characterization of nanostructured materials for application in the field of energy, mechanical engineering, environmental protection and biomedicine (RS-45012)

DOI: 10.2298/JSC200814104M

ISSN: 0352-5139

WoS: 000351326300008

Scopus: 2-s2.0-84924968293
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18
15
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1766
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Maksimović, Vesna M.
AU  - Nikolić, Nebojša D.
AU  - Kusigerski, Vladan B
AU  - Blanusa, Jovan L
PY  - 2015
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1766
AB  - Cobalt 3D powder particles were successfully prepared by galvanostatic electrodeposition. The electrodeposited cobalt powders were characterized by X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and SQUID magnetometry. It was shown that the morphology, structure and magnetic properties of cobalt particles were closely associated and could be easily controlled by adjusting the electrodeposition process parameters. The morphology of cobalt powder particles was strongly affected by the hydrogen evolution reaction as a parallel reaction to cobalt electrodeposition. Depending on the applied current density, two types of powder particles were formed: dendrites at lower and spongy-like particles at higher current densities. Morphologies and structures of powder particles were correlated with their magnetic properties, and compared with those of the bulk cobalt. In comparison with the properties of bulk cobalt, the obtained 3D structutes exhibited a decreased saturation magnetization (M-S), but an enhanced coercivity (H-C), which was explained by their peculiar morphology.
PB  - Serbian Chemical Society
T2  - Journal of the Serbian Chemical Society
T1  - Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles
VL  - 80
IS  - 2
SP  - 197
EP  - 207
DO  - 10.2298/JSC200814104M
ER  - 
@article{
author = "Maksimović, Vesna M. and Nikolić, Nebojša D. and Kusigerski, Vladan B and Blanusa, Jovan L",
year = "2015",
abstract = "Cobalt 3D powder particles were successfully prepared by galvanostatic electrodeposition. The electrodeposited cobalt powders were characterized by X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and SQUID magnetometry. It was shown that the morphology, structure and magnetic properties of cobalt particles were closely associated and could be easily controlled by adjusting the electrodeposition process parameters. The morphology of cobalt powder particles was strongly affected by the hydrogen evolution reaction as a parallel reaction to cobalt electrodeposition. Depending on the applied current density, two types of powder particles were formed: dendrites at lower and spongy-like particles at higher current densities. Morphologies and structures of powder particles were correlated with their magnetic properties, and compared with those of the bulk cobalt. In comparison with the properties of bulk cobalt, the obtained 3D structutes exhibited a decreased saturation magnetization (M-S), but an enhanced coercivity (H-C), which was explained by their peculiar morphology.",
publisher = "Serbian Chemical Society",
journal = "Journal of the Serbian Chemical Society",
title = "Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles",
volume = "80",
number = "2",
pages = "197-207",
doi = "10.2298/JSC200814104M"
}
Maksimović, V. M., Nikolić, N. D., Kusigerski, V. B.,& Blanusa, J. L.. (2015). Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles. in Journal of the Serbian Chemical Society
Serbian Chemical Society., 80(2), 197-207.
https://doi.org/10.2298/JSC200814104M
Maksimović VM, Nikolić ND, Kusigerski VB, Blanusa JL. Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles. in Journal of the Serbian Chemical Society. 2015;80(2):197-207.
doi:10.2298/JSC200814104M .
Maksimović, Vesna M., Nikolić, Nebojša D., Kusigerski, Vladan B, Blanusa, Jovan L, "Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles" in Journal of the Serbian Chemical Society, 80, no. 2 (2015):197-207,
https://doi.org/10.2298/JSC200814104M . .

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