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Synthesis and characterization of zinc titanate nano-crystal powders obtained by mechanical activation

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2005
223.pdf (667.2Kb)
Authors
Obradović, Nina
Labus, Nebojša
Srećković, Tatjana
Minić, Dragica M.
Ristić, Momčilo M.
Contributors
Ristić, Momčilo M.
Article (Published version)
Metadata
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Abstract
Development of dielectric materials for microwave frequencies is increasing with rapid progress in mobile and satellite communications systems, where zinc titanates have found application due to their semi-conducting and dielectric properties. Mechanical activation by grinding is a well-known method and common part of the powder preparation route in the field of ceramics. The aim of this work is investigation of the influence of experimental conditions for mechanochemical synthesis of zinc orthotitanate. Starting powder mixtures of ZnO and TiO2, in the molar ratio that is in accordance with the stoichiometry of zinc titanate spinel type Zn2TiO4, were mechanically activated using a high-energy planetary ball mill. The process of mechanical activation was performed during different time intervals from 0 to 300 minutes. Microstructure characterization was determined by X-ray diffraction analysis and scanning electron microscopy. Also, the specific surface area (SSA) of powders samples was... measured by a nitrogen gas sorption analyzer using the BET method. The very first traces of zinc titanate are detectable after only 5 minutes of activation. The most interesting occurrence during the mechanical method of activation is that we have an almost pure phase after 90 minutes.

Keywords:
ball milling / mechanical activation / XRPD / SEM / BET / scanning electron microscopy / spinel Zn2TiO4
Source:
Science of Sintering, 2005, 37, 2, 123-129
Publisher:
  • Belgrade : International Institute for the Science of Sintering

DOI: 10.2298/SOS0502123O

ISSN: 1820-7413 (Online); 0350-820X

WoS: 000230910000005

Scopus: 2-s2.0-33746641804
[ Google Scholar ]
14
11
Handle
https://hdl.handle.net/21.15107/rcub_dais_226
URI
https://dais.sanu.ac.rs/123456789/226
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Obradović, Nina
AU  - Labus, Nebojša
AU  - Srećković, Tatjana
AU  - Minić, Dragica M.
AU  - Ristić, Momčilo M.
PY  - 2005
UR  - https://dais.sanu.ac.rs/123456789/226
AB  - Development of dielectric materials for microwave frequencies is increasing with rapid progress in mobile and satellite communications systems, where zinc titanates have found application due to their semi-conducting and dielectric properties. Mechanical activation by grinding is a well-known method and common part of the powder preparation route in the field of ceramics. The aim of this work is investigation of the influence of experimental conditions for mechanochemical synthesis of zinc orthotitanate. Starting powder mixtures of ZnO and TiO2, in the molar ratio that is in accordance with the stoichiometry of zinc titanate spinel type Zn2TiO4, were mechanically activated using a high-energy planetary ball mill. The process of mechanical activation was performed during different time intervals from 0 to 300 minutes. Microstructure characterization was determined by X-ray diffraction analysis and scanning electron microscopy. Also, the specific surface area (SSA) of powders samples was measured by a nitrogen gas sorption analyzer using the BET method. The very first traces of zinc titanate are detectable after only 5 minutes of activation. The most interesting occurrence during the mechanical method of activation is that we have an almost pure phase after 90 minutes.
PB  - Belgrade : International Institute for the Science of Sintering
T2  - Science of Sintering
T1  - Synthesis and characterization of zinc titanate nano-crystal powders obtained by mechanical activation
SP  - 123
EP  - 129
VL  - 37
IS  - 2
DO  - 10.2298/SOS0502123O
UR  - https://hdl.handle.net/21.15107/rcub_dais_226
ER  - 
@article{
author = "Obradović, Nina and Labus, Nebojša and Srećković, Tatjana and Minić, Dragica M. and Ristić, Momčilo M.",
year = "2005",
abstract = "Development of dielectric materials for microwave frequencies is increasing with rapid progress in mobile and satellite communications systems, where zinc titanates have found application due to their semi-conducting and dielectric properties. Mechanical activation by grinding is a well-known method and common part of the powder preparation route in the field of ceramics. The aim of this work is investigation of the influence of experimental conditions for mechanochemical synthesis of zinc orthotitanate. Starting powder mixtures of ZnO and TiO2, in the molar ratio that is in accordance with the stoichiometry of zinc titanate spinel type Zn2TiO4, were mechanically activated using a high-energy planetary ball mill. The process of mechanical activation was performed during different time intervals from 0 to 300 minutes. Microstructure characterization was determined by X-ray diffraction analysis and scanning electron microscopy. Also, the specific surface area (SSA) of powders samples was measured by a nitrogen gas sorption analyzer using the BET method. The very first traces of zinc titanate are detectable after only 5 minutes of activation. The most interesting occurrence during the mechanical method of activation is that we have an almost pure phase after 90 minutes.",
publisher = "Belgrade : International Institute for the Science of Sintering",
journal = "Science of Sintering",
title = "Synthesis and characterization of zinc titanate nano-crystal powders obtained by mechanical activation",
pages = "123-129",
volume = "37",
number = "2",
doi = "10.2298/SOS0502123O",
url = "https://hdl.handle.net/21.15107/rcub_dais_226"
}
Obradović, N., Labus, N., Srećković, T., Minić, D. M.,& Ristić, M. M.. (2005). Synthesis and characterization of zinc titanate nano-crystal powders obtained by mechanical activation. in Science of Sintering
Belgrade : International Institute for the Science of Sintering., 37(2), 123-129.
https://doi.org/10.2298/SOS0502123O
https://hdl.handle.net/21.15107/rcub_dais_226
Obradović N, Labus N, Srećković T, Minić DM, Ristić MM. Synthesis and characterization of zinc titanate nano-crystal powders obtained by mechanical activation. in Science of Sintering. 2005;37(2):123-129.
doi:10.2298/SOS0502123O
https://hdl.handle.net/21.15107/rcub_dais_226 .
Obradović, Nina, Labus, Nebojša, Srećković, Tatjana, Minić, Dragica M., Ristić, Momčilo M., "Synthesis and characterization of zinc titanate nano-crystal powders obtained by mechanical activation" in Science of Sintering, 37, no. 2 (2005):123-129,
https://doi.org/10.2298/SOS0502123O .,
https://hdl.handle.net/21.15107/rcub_dais_226 .

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