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  Structure and electrical conductivity of porous zirconium titanate ceramics produced by mechanochemical treatment and sintering

Gajović, A., Šantić, A., Djerdj, I., Tomašić, N., Moguš-Milanković, A., & Su, D. S. (2009). Structure and electrical conductivity of porous zirconium titanate ceramics produced by mechanochemical treatment and sintering. Journal of Alloys and Compounds, 479(1-2), 525-531. doi:10.1016/j.jallcom.2008.12.123.

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 Creators:
Gajović, Andreja, Author
Šantić, Ana, Author
Djerdj, Igor, Author
Tomašić, Nenad, Author
Moguš-Milanković, Andrea, Author
Su, Dang Sheng1, Author           
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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Free keywords: ZrTiO4 ceramics; Mechanochemical processing; Sintering; Crystal structure Ceramic in TEM
 Abstract: High-energy ball milling has been employed for mechanochemical treatment of TiO2 and ZrO2, thus facilitated the solid-state reaction toward ZrTiO4. The ceramics with different degrees of porosity were prepared by 8 h sintering of thus prepared nanopowder precursor at 1100, 1200, 1300 and 1400 °C. The solid-state reaction was completed after sintering at 1200 °C.

The correlation between the structure of ZrTiO4 ceramic (ZT) at the nano-scale and its electric response at different humidities was studied. Highly porous ZT ceramics sintered at 1100 and 1200 °C showed significant difference in electrical conductivity depending on atmosphere conditions indicating promising application as humidity sensors.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 315392
DOI: 10.1016/j.jallcom.2008.12.123
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Title: Journal of Alloys and Compounds
  Alternative Title : J. Alloys Compd.
Source Genre: Journal
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Pages: - Volume / Issue: 479 (1-2) Sequence Number: - Start / End Page: 525 - 531 Identifier: -