Characterization of nano-crystalline ZrO2 synthesized via reactive plasma processing

Characterization of nano-crystalline ZrO2 synthesized via reactive plasma processing

Nano-crystalline ZrO2 powder has been synthesized via reactive plasma processing. The synthesized ZrO2 powders were characterized by X-ray diffraction (XRD), Raman spectroscopy, transmission electron microscopy (TEM) and FTIR spectroscopy. The synthesized powder consists of a mixture of tetragonal a...

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Veröffentlicht in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2011-07, Vol.176 (12), p.894-899
Hauptverfasser: Jayakumar, S, Ananthapadmanabhan, P V, Perumal, K, Thiyagarajan, T K, Mishra, S C, Su, L T, Tok, AIY, Guo, J
Format: Artikel
Sprache:eng
Schlagworte:
Crystallites
Diffraction
Mathematical analysis
Nanocrystals
Phases
Plasma processing
Transmission electron microscopy
Zirconium dioxide
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Zusammenfassung:Nano-crystalline ZrO2 powder has been synthesized via reactive plasma processing. The synthesized ZrO2 powders were characterized by X-ray diffraction (XRD), Raman spectroscopy, transmission electron microscopy (TEM) and FTIR spectroscopy. The synthesized powder consists of a mixture of tetragonal and monoclinic phases of zirconia. Average crystallite size calculated from the XRD pattern shows that particles with crystallite size 20nm or less than 20nm are in tetragonal phase, whereas particles greater than 20nm are in the monoclinic phase. TEM results show that particles have spherical morphology with maximum percentage of particles distributed in a narrow size from about 15nm to 30nm.
ISSN:0921-5107
DOI:10.1016/j.mseb.2011.05.013