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Dielectric Properties of BaTiO3 Ceramics and Curie-Weiss and Modified Curie-Weiss Affected by Fractal Morphology

Authorized Users Only
2015
Authors
Mitić, Vojislav V.
Paunović, Vesna
Kocić, Ljubiša
Contributors
Ohji, Tatsuki
Singh, Mrityunjay
Mathur, Sanjay
Book part (Published version)
Metadata
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Abstract
The purpose of this paper is to investigate the dielectric properties of Ho doped BaTiO3 ceramics at different dopant concentration and fractal correction related to fractal-like structure of the material. The Curie-Weiss and modified Curie-Weiss law is used to clarify the influence of dopant on the dielectric properties and phase transformation in BaTiO3. Doped BaTiO3 were prepared using conventional method of solid-state sintering at 1320°C for four hours. As BaTiO3 doped ceramics are concerned, SEM analysis has shown that in samples doped with a rare-earth ions (low level), the grain size is ranged from 20 to 40 m, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size is ranged between 2 and 10 m. Dielectric measurements were carried out as a function of temperature up to180°C. The low doped samples sintered at 1320°C, display the high value of dielectric permittivity, at room temperature 2300°C for 0.01Ho/BaTiO3. The Curie constant for... all series of samples decreases with increase of dopant concentration and the lowest values were measured from samples doped with 0.01 wt% of aditive. © 2015 The American Ceramic Society. All rights reserved.

Keywords:
BaTiO3 ceramics / Curie-Weiss / dielectric properties / ferroelectrics material / fractal morphology
Source:
Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials: A Collection of Papers Presented at the 38th International Conference on Advanced Ceramics and Composites January 27–31, 2014 Daytona Beach, Florida, 2015, 123-133
Publisher:
  • Hoboken, NJ : John Wiley & Sons
Funding / projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
Note:
  • Ceramic Engineering and Science Proceedings, Volume 35

DOI: 10.1002/9781119040354.ch14

ISBN: 9781119040262

Scopus: 2-s2.0-85016010784
[ Google Scholar ]
1
Handle
https://hdl.handle.net/21.15107/rcub_dais_3527
URI
https://dais.sanu.ac.rs/123456789/3527
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CHAP
AU  - Mitić, Vojislav V.
AU  - Paunović, Vesna
AU  - Kocić, Ljubiša
PY  - 2015
UR  - https://dais.sanu.ac.rs/123456789/3527
AB  - The purpose of this paper is to investigate the dielectric properties of Ho doped BaTiO3 ceramics at different dopant concentration and fractal correction related to fractal-like structure of the material. The Curie-Weiss and modified Curie-Weiss law is used to clarify the influence of dopant on the dielectric properties and phase transformation in BaTiO3. Doped BaTiO3 were prepared using conventional method of solid-state sintering at 1320°C for four hours. As BaTiO3 doped ceramics are concerned, SEM analysis has shown that in samples doped with a rare-earth ions (low level), the grain size is ranged from 20 to 40 m, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size is ranged between 2 and 10 m. Dielectric measurements were carried out as a function of temperature up to180°C. The low doped samples sintered at 1320°C, display the high value of dielectric permittivity, at room temperature 2300°C for 0.01Ho/BaTiO3. The Curie constant for all series of samples decreases with increase of dopant concentration and the lowest values were measured from samples doped with 0.01 wt% of aditive. © 2015 The American Ceramic Society. All rights reserved.
PB  - Hoboken, NJ : John Wiley & Sons
T2  - Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials: A Collection of Papers Presented at the 38th International Conference on Advanced Ceramics and Composites January 27–31, 2014 Daytona Beach, Florida
T1  - Dielectric Properties of BaTiO3 Ceramics and Curie-Weiss and Modified Curie-Weiss Affected by Fractal Morphology
SP  - 123
EP  - 133
DO  - 10.1002/9781119040354.ch14
UR  - https://hdl.handle.net/21.15107/rcub_dais_3527
ER  - 
@inbook{
author = "Mitić, Vojislav V. and Paunović, Vesna and Kocić, Ljubiša",
year = "2015",
abstract = "The purpose of this paper is to investigate the dielectric properties of Ho doped BaTiO3 ceramics at different dopant concentration and fractal correction related to fractal-like structure of the material. The Curie-Weiss and modified Curie-Weiss law is used to clarify the influence of dopant on the dielectric properties and phase transformation in BaTiO3. Doped BaTiO3 were prepared using conventional method of solid-state sintering at 1320°C for four hours. As BaTiO3 doped ceramics are concerned, SEM analysis has shown that in samples doped with a rare-earth ions (low level), the grain size is ranged from 20 to 40 m, while with the higher dopant concentration the abnormal grain growth is inhibited and the grain size is ranged between 2 and 10 m. Dielectric measurements were carried out as a function of temperature up to180°C. The low doped samples sintered at 1320°C, display the high value of dielectric permittivity, at room temperature 2300°C for 0.01Ho/BaTiO3. The Curie constant for all series of samples decreases with increase of dopant concentration and the lowest values were measured from samples doped with 0.01 wt% of aditive. © 2015 The American Ceramic Society. All rights reserved.",
publisher = "Hoboken, NJ : John Wiley & Sons",
journal = "Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials: A Collection of Papers Presented at the 38th International Conference on Advanced Ceramics and Composites January 27–31, 2014 Daytona Beach, Florida",
booktitle = "Dielectric Properties of BaTiO3 Ceramics and Curie-Weiss and Modified Curie-Weiss Affected by Fractal Morphology",
pages = "123-133",
doi = "10.1002/9781119040354.ch14",
url = "https://hdl.handle.net/21.15107/rcub_dais_3527"
}
Mitić, V. V., Paunović, V.,& Kocić, L.. (2015). Dielectric Properties of BaTiO3 Ceramics and Curie-Weiss and Modified Curie-Weiss Affected by Fractal Morphology. in Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials: A Collection of Papers Presented at the 38th International Conference on Advanced Ceramics and Composites January 27–31, 2014 Daytona Beach, Florida
Hoboken, NJ : John Wiley & Sons., 123-133.
https://doi.org/10.1002/9781119040354.ch14
https://hdl.handle.net/21.15107/rcub_dais_3527
Mitić VV, Paunović V, Kocić L. Dielectric Properties of BaTiO3 Ceramics and Curie-Weiss and Modified Curie-Weiss Affected by Fractal Morphology. in Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials: A Collection of Papers Presented at the 38th International Conference on Advanced Ceramics and Composites January 27–31, 2014 Daytona Beach, Florida. 2015;:123-133.
doi:10.1002/9781119040354.ch14
https://hdl.handle.net/21.15107/rcub_dais_3527 .
Mitić, Vojislav V., Paunović, Vesna, Kocić, Ljubiša, "Dielectric Properties of BaTiO3 Ceramics and Curie-Weiss and Modified Curie-Weiss Affected by Fractal Morphology" in Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials: A Collection of Papers Presented at the 38th International Conference on Advanced Ceramics and Composites January 27–31, 2014 Daytona Beach, Florida (2015):123-133,
https://doi.org/10.1002/9781119040354.ch14 .,
https://hdl.handle.net/21.15107/rcub_dais_3527 .

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