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Impedance response of pseudobrookite thick films with a sandwich configuration

Authorized Users Only
2017
Authors
Luković, Miloljub D.
Nikolić, Maria Vesna
Vasiljević, Zorka Ž.
Blaž, Nelu
Luković, Snežana
Aleksić, Obrad S.
Conference object (Published version)
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Abstract
We have investigated the impedance response of pseudobrookite thick films screen printed on alumina substrate in the temperature interval from room temperature to 350 °C in the frequency range 100 Hz-1 MHz. Two thick film pastes were made containing starting hematite and anatase nanopowders (in the 1:1 and 1:1.33 molar ratio - containing excess anatase), glass fritt and organic vehicle. A sandwich PdAg electrode structure was obtained by first printing a PdAg electrode, followed by 3 layers of PSB paste and a PdAg electrode on top with a mesh structure. Each layer was sintered at 850 °C in a hybrid conveyor furnace. XRD analysis confirmed the formation of pseudobrookite with an orthorhombic crystal structure. SEM analysis of thick film surfaces and cross sections showed the formation of a porous structure with rod-shaped grains. The impedance response of pseudobrookite thick films, showed a decrease with the rise in sample temperature. It was analyzed using an equivalent circuit reflec...ting the dominant influence of grain boundaries.

Keywords:
thick films / impedance / pseudobrookite / grain boundary / alumina
Source:
2017 40th International Spring Seminar on Electronics Technology (ISSE), 2017, 1-5
Publisher:
  • IEEE
Projects:
  • Zero- to Three-Dimensional Nanostructures for Application in Electronics and Renewable Energy Sources: Synthesis, Characterization and Processing (RS-45007)
  • Innovative electronic components and systems based on inorganic and organic technologies embedded in consumer goods and products (RS-32016)

DOI: 10.1109/ISSE.2017.8000886

ISBN: 978-1-5386-0582-0

ISSN: 2161-2536

Scopus: 2-s2.0-85029894657
[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/2357
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Luković, Miloljub D.
AU  - Nikolić, Maria Vesna
AU  - Vasiljević, Zorka Ž.
AU  - Blaž, Nelu
AU  - Luković, Snežana
AU  - Aleksić, Obrad S.
PY  - 2017
UR  - http://dais.sanu.ac.rs/123456789/2357
AB  - We have investigated the impedance response of pseudobrookite thick films screen printed on alumina substrate in the temperature interval from room temperature to 350 °C in the frequency range 100 Hz-1 MHz. Two thick film pastes were made containing starting hematite and anatase nanopowders (in the 1:1 and 1:1.33 molar ratio - containing excess anatase), glass fritt and organic vehicle. A sandwich PdAg electrode structure was obtained by first printing a PdAg electrode, followed by 3 layers of PSB paste and a PdAg electrode on top with a mesh structure. Each layer was sintered at 850 °C in a hybrid conveyor furnace. XRD analysis confirmed the formation of pseudobrookite with an orthorhombic crystal structure. SEM analysis of thick film surfaces and cross sections showed the formation of a porous structure with rod-shaped grains. The impedance response of pseudobrookite thick films, showed a decrease with the rise in sample temperature. It was analyzed using an equivalent circuit reflecting the dominant influence of grain boundaries.
PB  - IEEE
C3  - 2017 40th International Spring Seminar on Electronics Technology (ISSE)
T1  - Impedance response of pseudobrookite thick films with a sandwich configuration
SP  - 1
EP  - 5
DO  - 10.1109/ISSE.2017.8000886
ER  - 
@conference{
author = "Luković, Miloljub D. and Nikolić, Maria Vesna and Vasiljević, Zorka Ž. and Blaž, Nelu and Luković, Snežana and Aleksić, Obrad S.",
year = "2017",
url = "http://dais.sanu.ac.rs/123456789/2357",
abstract = "We have investigated the impedance response of pseudobrookite thick films screen printed on alumina substrate in the temperature interval from room temperature to 350 °C in the frequency range 100 Hz-1 MHz. Two thick film pastes were made containing starting hematite and anatase nanopowders (in the 1:1 and 1:1.33 molar ratio - containing excess anatase), glass fritt and organic vehicle. A sandwich PdAg electrode structure was obtained by first printing a PdAg electrode, followed by 3 layers of PSB paste and a PdAg electrode on top with a mesh structure. Each layer was sintered at 850 °C in a hybrid conveyor furnace. XRD analysis confirmed the formation of pseudobrookite with an orthorhombic crystal structure. SEM analysis of thick film surfaces and cross sections showed the formation of a porous structure with rod-shaped grains. The impedance response of pseudobrookite thick films, showed a decrease with the rise in sample temperature. It was analyzed using an equivalent circuit reflecting the dominant influence of grain boundaries.",
publisher = "IEEE",
journal = "2017 40th International Spring Seminar on Electronics Technology (ISSE)",
title = "Impedance response of pseudobrookite thick films with a sandwich configuration",
pages = "1-5",
doi = "10.1109/ISSE.2017.8000886"
}
Luković MD, Nikolić MV, Vasiljević ZŽ, Blaž N, Luković S, Aleksić OS. Impedance response of pseudobrookite thick films with a sandwich configuration. 2017 40th International Spring Seminar on Electronics Technology (ISSE). 2017;:1-5
Luković, M. D., Nikolić, M. V., Vasiljević, Z. Ž., Blaž, N., Luković, S.,& Aleksić, O. S. (2017). Impedance response of pseudobrookite thick films with a sandwich configuration.
2017 40th International Spring Seminar on Electronics Technology (ISSE)IEEE., null, 1-5. 
https://doi.org/10.1109/ISSE.2017.8000886
Luković Miloljub D., Nikolić Maria Vesna, Vasiljević Zorka Ž., Blaž Nelu, Luković Snežana, Aleksić Obrad S., "Impedance response of pseudobrookite thick films with a sandwich configuration" null (2017):1-5,
https://doi.org/10.1109/ISSE.2017.8000886 .

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