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Dielectric properties and ac conductivities of Bi1−xSmxFeO3 ceramics.
Dielectric properties and ac conductivities of Bi1−xSmxFeO3 ceramics.
- Source :
- Integrated Ferroelectrics; 2019, Vol. 196 Issue 1, p100-104, 5p
- Publication Year :
- 2019
-
Abstract
- Dielectric permittivity, dielectric losses and ac-conductivity of polycrystalline Bi<subscript>1−</subscript><subscript>x</subscript>Sm<subscript>x</subscript>FeO<subscript>3</subscript> (x = 0; 0.05; 0.1; 0.15; 0.2) are measured in the frequency range 1 kHz–10 MHz and in the temperature range 25–600 °C. Anomalies have been observed at the 200 °C, 300 °C and at the Néel temperature. It has been demonstrated that doping with Sm has enhanced the dielectric properties and increased conduction in the frequency region <1 MHz. At high frequency (>1 MHz) and at a certain temperature T<subscript>m</subscript>, depending on the composition Bi<subscript>1−</subscript><subscript>x</subscript>Sm<subscript>x</subscript>FeO<subscript>3</subscript>, the conductivity reaches a maximum. The results are discussed with reference to the model of correlated barrier hopping. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10584587
- Volume :
- 196
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Integrated Ferroelectrics
- Publication Type :
- Academic Journal
- Accession number :
- 136909415
- Full Text :
- https://doi.org/10.1080/10584587.2019.1591968