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Influence of additives on the properties of spherical nickel particles prepared by ultrasonic spray pyrolysis

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1999
Authors
Stopić, Srećko R.
Nedeljković, Jovan
Rakočević, Zlatko
Uskoković, Dragan
Article (Published version)
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Abstract
Ideal spherical nonagglomerated Ni particles (mean diameter 0.62-1.12 mu m) were prepared by ultrasonic spray pyrolysis of NiCl2 aqueous solution in the presence of 0.1 mass% of Pd, Cu, or Ni in an H-2-N-2 atmosphere at 900 degrees C. Incomplete reduction of the NiCl2 aqueous solution in the absence of additives was observed under the same conditions. Differential thermal and thermal-gravimetric analyses revealed a decrease in initial reduction temperature of NiCl2 from 375 to 275 degrees C by the addition of Pd, Cu, or Ni. The morphology of Ni particles was analyzed using scanning tunneling microscopy. The surface roughness of Ni particles was found to be controllable by addition of appropriate additives.
Source:
Journal of Materials Research, 1999, 14, 7, 3059-3065

DOI: 10.1557/JMR.1999.0410

ISSN: 0884-2914 (Print)

WoS: 000082550700051

Scopus: 2-s2.0-0032670656
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URI
http://dais.sanu.ac.rs/123456789/3352
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  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences SASA

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