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Impedance Response of Pseudobrookite Thick Films with a Sandwich Configuration

Authorized Users Only
2017
Authors
Luković, Miloljub
Nikolić, Maria Vesna
Vasiljević, Zorka Z
Blaz, Nelu V.
Luković, Snežana
Aleksić, Obrad
Conference object (Accepted 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 degrees 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 degrees 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 equivalen...t circuit reflecting the dominant influence of grain boundaries.

Keywords:
Titanium dioxide / Thick films / Silver alloys / Palladium alloys / Organic vehicles / Impedance response / Grain boundaries / Equivalent circuits / Electrodes / Binary alloys / Alumina / Alumina substrates
Source:
Proceedings of the International Spring Seminar on Electronics Technology, 2017
Publisher:
  • IEEE Computer Society
Funding / projects:
  • Innovative electronic components and systems based on inorganic and organic technologies embedded in consumer goods and products (RS-32016)
  • Zero- to Three-Dimensional Nanostructures for Application in Electronics and Renewable Energy Sources: Synthesis, Characterization and Processing (RS-45007)

DOI: 10.1109/ISSE.2017.8000886

ISBN: 978-153860582-0

ISSN: 2161-2528

WoS: 000426973000009

Scopus: 2-s2.0-85029894657
[ Google Scholar ]
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1073
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - CONF
AU  - Luković, Miloljub
AU  - Nikolić, Maria Vesna
AU  - Vasiljević, Zorka Z
AU  - Blaz, Nelu V.
AU  - Luković, Snežana
AU  - Aleksić, Obrad
PY  - 2017
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1073
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 degrees 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 degrees 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 Computer Society
C3  - Proceedings of the International Spring Seminar on Electronics Technology
T1  - Impedance Response of Pseudobrookite Thick Films with a Sandwich Configuration
DO  - 10.1109/ISSE.2017.8000886
ER  - 
@conference{
author = "Luković, Miloljub and Nikolić, Maria Vesna and Vasiljević, Zorka Z and Blaz, Nelu V. and Luković, Snežana and Aleksić, Obrad",
year = "2017",
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 degrees 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 degrees 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 Computer Society",
journal = "Proceedings of the International Spring Seminar on Electronics Technology",
title = "Impedance Response of Pseudobrookite Thick Films with a Sandwich Configuration",
doi = "10.1109/ISSE.2017.8000886"
}
Luković, M., Nikolić, M. V., Vasiljević, Z. Z., Blaz, N. V., Luković, S.,& Aleksić, O.. (2017). Impedance Response of Pseudobrookite Thick Films with a Sandwich Configuration. in Proceedings of the International Spring Seminar on Electronics Technology
IEEE Computer Society..
https://doi.org/10.1109/ISSE.2017.8000886
Luković M, Nikolić MV, Vasiljević ZZ, Blaz NV, Luković S, Aleksić O. Impedance Response of Pseudobrookite Thick Films with a Sandwich Configuration. in Proceedings of the International Spring Seminar on Electronics Technology. 2017;.
doi:10.1109/ISSE.2017.8000886 .
Luković, Miloljub, Nikolić, Maria Vesna, Vasiljević, Zorka Z, Blaz, Nelu V., Luković, Snežana, Aleksić, Obrad, "Impedance Response of Pseudobrookite Thick Films with a Sandwich Configuration" in Proceedings of the International Spring Seminar on Electronics Technology (2017),
https://doi.org/10.1109/ISSE.2017.8000886 . .

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