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Microstructural and morphological analysis of nanostructured alumina particles synthesized at low temperature via aerosol route

Authorized Users Only
2008
Authors
Martín, M. I.
Rabanal, Maria Eugenia
Gómez, Luz Stella
Torralba, Jose Manuel
Milošević, Olivera
Article (Published version)
Metadata
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Abstract
Nanometer-sized particles (1-100 nm) are of considerable interest for a wide variety of applications, ranking from catalyst to luminescence ceramics, due to their unique and improved properties primarily determined by size, composition and structure. In this study, we report a simple, rapid aerosol decomposition process for the continuous synthesis of nanoparticles with adjustable sizes, narrow size distribution, high crystallinity and good stoichiometry. This paper presents the preparation and characterization of nanostructured spherical alumina particles (<500 nm sized) by low temperature aerosol synthesis for the application in MMCs reinforcement. Synthesis procedure includes aerosol formation ultrasonically from alumina nitrate water solution and its decomposition into a tubular flow reactor at 400 °C. Consequently, as-obtained particles are spherical, smooth, amorphous and in non-agglomerated state. The phase crystallization, either into γ-Al2O3 or α-Al2O3 is promoted by additi...onal thermal treatment ranging between 700 °C and 1300 °C. Detailed phase and structural analyses were carried out using X-ray powder diffraction (XRD), scanning electron microscopy (SEM/EDS) and analytical and high-resolution transmission electron microscopy (TEM/HRTEM). © 2008 Elsevier Ltd. All rights reserved.

Keywords:
aerosols / Al2O3 / nanoparticles / spray Pyrolysis
Source:
Journal of the European Ceramic Society, 2008, 28, 13, 2487-2494
Publisher:
  • Elsevier
Funding / projects:
  • Ministry for Education and Science of Spain, Juan de la Cierva Program JCI-2005-1892-13
  • Ministry for Education and Science of Spain, MAT2006-02458
  • Ministry for Education and Science of Spain, Grant SAB 2004-0035

DOI: 10.1016/j.jeurceramsoc.2008.03.019

ISSN: 0955-2219

WoS: 000258432400007

Scopus: 2-s2.0-47349122981
[ Google Scholar ]
24
22
Handle
https://hdl.handle.net/21.15107/rcub_dais_3573
URI
https://dais.sanu.ac.rs/123456789/3573
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Martín, M. I.
AU  - Rabanal, Maria Eugenia
AU  - Gómez, Luz Stella
AU  - Torralba, Jose Manuel
AU  - Milošević, Olivera
PY  - 2008
UR  - https://dais.sanu.ac.rs/123456789/3573
AB  - Nanometer-sized particles (1-100 nm) are of considerable interest for a wide variety of applications, ranking from catalyst to luminescence ceramics, due to their unique and improved properties primarily determined by size, composition and structure. In this study, we report a simple, rapid aerosol decomposition process for the continuous synthesis of nanoparticles with adjustable sizes, narrow size distribution, high crystallinity and good stoichiometry. This paper presents the preparation and characterization of nanostructured spherical alumina particles (<500 nm sized) by low temperature aerosol synthesis for the application in MMCs reinforcement. Synthesis procedure includes aerosol formation ultrasonically from alumina nitrate water solution and its decomposition into a tubular flow reactor at 400 °C. Consequently, as-obtained particles are spherical, smooth, amorphous and in non-agglomerated state. The phase crystallization, either into γ-Al2O3 or α-Al2O3 is promoted by additional thermal treatment ranging between 700 °C and 1300 °C. Detailed phase and structural analyses were carried out using X-ray powder diffraction (XRD), scanning electron microscopy (SEM/EDS) and analytical and high-resolution transmission electron microscopy (TEM/HRTEM). © 2008 Elsevier Ltd. All rights reserved.
PB  - Elsevier
T2  - Journal of the European Ceramic Society
T1  - Microstructural and morphological analysis of nanostructured alumina particles synthesized at low temperature via aerosol route
SP  - 2487
EP  - 2494
VL  - 28
IS  - 13
DO  - 10.1016/j.jeurceramsoc.2008.03.019
UR  - https://hdl.handle.net/21.15107/rcub_dais_3573
ER  - 
@article{
author = "Martín, M. I. and Rabanal, Maria Eugenia and Gómez, Luz Stella and Torralba, Jose Manuel and Milošević, Olivera",
year = "2008",
abstract = "Nanometer-sized particles (1-100 nm) are of considerable interest for a wide variety of applications, ranking from catalyst to luminescence ceramics, due to their unique and improved properties primarily determined by size, composition and structure. In this study, we report a simple, rapid aerosol decomposition process for the continuous synthesis of nanoparticles with adjustable sizes, narrow size distribution, high crystallinity and good stoichiometry. This paper presents the preparation and characterization of nanostructured spherical alumina particles (<500 nm sized) by low temperature aerosol synthesis for the application in MMCs reinforcement. Synthesis procedure includes aerosol formation ultrasonically from alumina nitrate water solution and its decomposition into a tubular flow reactor at 400 °C. Consequently, as-obtained particles are spherical, smooth, amorphous and in non-agglomerated state. The phase crystallization, either into γ-Al2O3 or α-Al2O3 is promoted by additional thermal treatment ranging between 700 °C and 1300 °C. Detailed phase and structural analyses were carried out using X-ray powder diffraction (XRD), scanning electron microscopy (SEM/EDS) and analytical and high-resolution transmission electron microscopy (TEM/HRTEM). © 2008 Elsevier Ltd. All rights reserved.",
publisher = "Elsevier",
journal = "Journal of the European Ceramic Society",
title = "Microstructural and morphological analysis of nanostructured alumina particles synthesized at low temperature via aerosol route",
pages = "2487-2494",
volume = "28",
number = "13",
doi = "10.1016/j.jeurceramsoc.2008.03.019",
url = "https://hdl.handle.net/21.15107/rcub_dais_3573"
}
Martín, M. I., Rabanal, M. E., Gómez, L. S., Torralba, J. M.,& Milošević, O.. (2008). Microstructural and morphological analysis of nanostructured alumina particles synthesized at low temperature via aerosol route. in Journal of the European Ceramic Society
Elsevier., 28(13), 2487-2494.
https://doi.org/10.1016/j.jeurceramsoc.2008.03.019
https://hdl.handle.net/21.15107/rcub_dais_3573
Martín MI, Rabanal ME, Gómez LS, Torralba JM, Milošević O. Microstructural and morphological analysis of nanostructured alumina particles synthesized at low temperature via aerosol route. in Journal of the European Ceramic Society. 2008;28(13):2487-2494.
doi:10.1016/j.jeurceramsoc.2008.03.019
https://hdl.handle.net/21.15107/rcub_dais_3573 .
Martín, M. I., Rabanal, Maria Eugenia, Gómez, Luz Stella, Torralba, Jose Manuel, Milošević, Olivera, "Microstructural and morphological analysis of nanostructured alumina particles synthesized at low temperature via aerosol route" in Journal of the European Ceramic Society, 28, no. 13 (2008):2487-2494,
https://doi.org/10.1016/j.jeurceramsoc.2008.03.019 .,
https://hdl.handle.net/21.15107/rcub_dais_3573 .

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