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Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics
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| Zeitschriftentitel: | Journal of the American Ceramic Society |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Journal of the American Ceramic Society, 101, 2018, 2, S. 789-799 |
| Medientyp: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Li, Xiaojuan Jing, Qi Xi, Zengzhe Liu, Peng Long, Wei Fang, Pinyang Li, Xiaojuan Jing, Qi Xi, Zengzhe Liu, Peng Long, Wei Fang, Pinyang |
|---|---|
| author |
Li, Xiaojuan Jing, Qi Xi, Zengzhe Liu, Peng Long, Wei Fang, Pinyang |
| spellingShingle |
Li, Xiaojuan Jing, Qi Xi, Zengzhe Liu, Peng Long, Wei Fang, Pinyang Journal of the American Ceramic Society Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics Materials Chemistry Ceramics and Composites |
| author_sort |
li, xiaojuan |
| spelling |
Li, Xiaojuan Jing, Qi Xi, Zengzhe Liu, Peng Long, Wei Fang, Pinyang 0002-7820 1551-2916 Wiley Materials Chemistry Ceramics and Composites http://dx.doi.org/10.1111/jace.15270 <jats:title>Abstract</jats:title><jats:p>The dielectric relaxation and electrical conduction were investigated in (Bi<jats:sub><jats:italic>x</jats:italic></jats:sub>Na<jats:sub>1−<jats:italic>x</jats:italic></jats:sub>)<jats:sub>0.94</jats:sub>Ba<jats:sub>0.06</jats:sub>TiO<jats:sub>3</jats:sub> (Abb. <jats:italic>x</jats:italic>BNBT6, <jats:italic>x</jats:italic> = 0.5, 0.495, 0.485, and 0.475) ceramics prepared by solid state reaction. With a decrease in <jats:italic>x</jats:italic>, the dielectric properties of the ceramics decreased, whereas the electrical conduction increased, resulting in a transition from insulator to oxide‐ions conductor. When <jats:italic>x</jats:italic> = 0.475, the ceramics exhibited large conductivity (~10<jats:sup>−3</jats:sup> S cm<jats:sup>−1</jats:sup> at 575°C) and low activation energy (~0.45 eV), indicating their potential application in solid oxide fuel cells. A mixed conduction mechanism with oxide‐ions, electrons, and holes was proposed. With a decrease in <jats:italic>x</jats:italic> from 0.495 to 0.475, it was found that the <jats:italic>p</jats:italic>‐type conduction was switched to <jats:italic>n</jats:italic>‐type conduction. The dielectric relaxation of the <jats:italic>x</jats:italic> = 0.495 sample was associated with short‐range hopping of oxygen vacancies. However, the dielectric properties of the <jats:italic>x</jats:italic> = 0.485 and 0.475 samples can be explained by Maxwell‐Wagner interface relaxation.</jats:p> Dielectric relaxation and electrical conduction in (Bi<sub><i>x</i></sub>Na<sub>1−<i>x</i></sub>)<sub>0.94</sub>Ba<sub>0.06</sub>TiO<sub>3</sub> ceramics Journal of the American Ceramic Society |
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10.1111/jace.15270 |
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Online |
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Chemie und Pharmazie Technik |
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Wiley, 2018 |
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Wiley, 2018 |
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| title |
Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_unstemmed |
Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_full |
Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_fullStr |
Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_full_unstemmed |
Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_short |
Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_sort |
dielectric relaxation and electrical conduction in (bi<sub><i>x</i></sub>na<sub>1−<i>x</i></sub>)<sub>0.94</sub>ba<sub>0.06</sub>tio<sub>3</sub> ceramics |
| topic |
Materials Chemistry Ceramics and Composites |
| url |
http://dx.doi.org/10.1111/jace.15270 |
| publishDate |
2018 |
| physical |
789-799 |
| description |
<jats:title>Abstract</jats:title><jats:p>The dielectric relaxation and electrical conduction were investigated in (Bi<jats:sub><jats:italic>x</jats:italic></jats:sub>Na<jats:sub>1−<jats:italic>x</jats:italic></jats:sub>)<jats:sub>0.94</jats:sub>Ba<jats:sub>0.06</jats:sub>TiO<jats:sub>3</jats:sub> (Abb. <jats:italic>x</jats:italic>BNBT6, <jats:italic>x</jats:italic> = 0.5, 0.495, 0.485, and 0.475) ceramics prepared by solid state reaction. With a decrease in <jats:italic>x</jats:italic>, the dielectric properties of the ceramics decreased, whereas the electrical conduction increased, resulting in a transition from insulator to oxide‐ions conductor. When <jats:italic>x</jats:italic> = 0.475, the ceramics exhibited large conductivity (~10<jats:sup>−3</jats:sup> S cm<jats:sup>−1</jats:sup> at 575°C) and low activation energy (~0.45 eV), indicating their potential application in solid oxide fuel cells. A mixed conduction mechanism with oxide‐ions, electrons, and holes was proposed. With a decrease in <jats:italic>x</jats:italic> from 0.495 to 0.475, it was found that the <jats:italic>p</jats:italic>‐type conduction was switched to <jats:italic>n</jats:italic>‐type conduction. The dielectric relaxation of the <jats:italic>x</jats:italic> = 0.495 sample was associated with short‐range hopping of oxygen vacancies. However, the dielectric properties of the <jats:italic>x</jats:italic> = 0.485 and 0.475 samples can be explained by Maxwell‐Wagner interface relaxation.</jats:p> |
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| author | Li, Xiaojuan, Jing, Qi, Xi, Zengzhe, Liu, Peng, Long, Wei, Fang, Pinyang |
| author_facet | Li, Xiaojuan, Jing, Qi, Xi, Zengzhe, Liu, Peng, Long, Wei, Fang, Pinyang, Li, Xiaojuan, Jing, Qi, Xi, Zengzhe, Liu, Peng, Long, Wei, Fang, Pinyang |
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| description | <jats:title>Abstract</jats:title><jats:p>The dielectric relaxation and electrical conduction were investigated in (Bi<jats:sub><jats:italic>x</jats:italic></jats:sub>Na<jats:sub>1−<jats:italic>x</jats:italic></jats:sub>)<jats:sub>0.94</jats:sub>Ba<jats:sub>0.06</jats:sub>TiO<jats:sub>3</jats:sub> (Abb. <jats:italic>x</jats:italic>BNBT6, <jats:italic>x</jats:italic> = 0.5, 0.495, 0.485, and 0.475) ceramics prepared by solid state reaction. With a decrease in <jats:italic>x</jats:italic>, the dielectric properties of the ceramics decreased, whereas the electrical conduction increased, resulting in a transition from insulator to oxide‐ions conductor. When <jats:italic>x</jats:italic> = 0.475, the ceramics exhibited large conductivity (~10<jats:sup>−3</jats:sup> S cm<jats:sup>−1</jats:sup> at 575°C) and low activation energy (~0.45 eV), indicating their potential application in solid oxide fuel cells. A mixed conduction mechanism with oxide‐ions, electrons, and holes was proposed. With a decrease in <jats:italic>x</jats:italic> from 0.495 to 0.475, it was found that the <jats:italic>p</jats:italic>‐type conduction was switched to <jats:italic>n</jats:italic>‐type conduction. The dielectric relaxation of the <jats:italic>x</jats:italic> = 0.495 sample was associated with short‐range hopping of oxygen vacancies. However, the dielectric properties of the <jats:italic>x</jats:italic> = 0.485 and 0.475 samples can be explained by Maxwell‐Wagner interface relaxation.</jats:p> |
| doi_str_mv | 10.1111/jace.15270 |
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| imprint | Wiley, 2018 |
| imprint_str_mv | Wiley, 2018 |
| institution | DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14 |
| issn | 0002-7820, 1551-2916 |
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| physical | 789-799 |
| publishDate | 2018 |
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| publisher | Wiley |
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| series | Journal of the American Ceramic Society |
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| spelling | Li, Xiaojuan Jing, Qi Xi, Zengzhe Liu, Peng Long, Wei Fang, Pinyang 0002-7820 1551-2916 Wiley Materials Chemistry Ceramics and Composites http://dx.doi.org/10.1111/jace.15270 <jats:title>Abstract</jats:title><jats:p>The dielectric relaxation and electrical conduction were investigated in (Bi<jats:sub><jats:italic>x</jats:italic></jats:sub>Na<jats:sub>1−<jats:italic>x</jats:italic></jats:sub>)<jats:sub>0.94</jats:sub>Ba<jats:sub>0.06</jats:sub>TiO<jats:sub>3</jats:sub> (Abb. <jats:italic>x</jats:italic>BNBT6, <jats:italic>x</jats:italic> = 0.5, 0.495, 0.485, and 0.475) ceramics prepared by solid state reaction. With a decrease in <jats:italic>x</jats:italic>, the dielectric properties of the ceramics decreased, whereas the electrical conduction increased, resulting in a transition from insulator to oxide‐ions conductor. When <jats:italic>x</jats:italic> = 0.475, the ceramics exhibited large conductivity (~10<jats:sup>−3</jats:sup> S cm<jats:sup>−1</jats:sup> at 575°C) and low activation energy (~0.45 eV), indicating their potential application in solid oxide fuel cells. A mixed conduction mechanism with oxide‐ions, electrons, and holes was proposed. With a decrease in <jats:italic>x</jats:italic> from 0.495 to 0.475, it was found that the <jats:italic>p</jats:italic>‐type conduction was switched to <jats:italic>n</jats:italic>‐type conduction. The dielectric relaxation of the <jats:italic>x</jats:italic> = 0.495 sample was associated with short‐range hopping of oxygen vacancies. However, the dielectric properties of the <jats:italic>x</jats:italic> = 0.485 and 0.475 samples can be explained by Maxwell‐Wagner interface relaxation.</jats:p> Dielectric relaxation and electrical conduction in (Bi<sub><i>x</i></sub>Na<sub>1−<i>x</i></sub>)<sub>0.94</sub>Ba<sub>0.06</sub>TiO<sub>3</sub> ceramics Journal of the American Ceramic Society |
| spellingShingle | Li, Xiaojuan, Jing, Qi, Xi, Zengzhe, Liu, Peng, Long, Wei, Fang, Pinyang, Journal of the American Ceramic Society, Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics, Materials Chemistry, Ceramics and Composites |
| title | Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_full | Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_fullStr | Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_full_unstemmed | Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_short | Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| title_sort | dielectric relaxation and electrical conduction in (bi<sub><i>x</i></sub>na<sub>1−<i>x</i></sub>)<sub>0.94</sub>ba<sub>0.06</sub>tio<sub>3</sub> ceramics |
| title_unstemmed | Dielectric relaxation and electrical conduction in (BixNa1−x)0.94Ba0.06TiO3 ceramics |
| topic | Materials Chemistry, Ceramics and Composites |
| url | http://dx.doi.org/10.1111/jace.15270 |