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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 |
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Personen und Körperschaften: | , , , , , |
In: | Journal of the American Ceramic Society, 101, 2018, 2, S. 789-799 |
Medientyp: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Wiley
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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 |
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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 |
doi_str_mv |
10.1111/jace.15270 |
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Online |
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Chemie und Pharmazie Technik |
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ElectronicArticle |
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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 |
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Wiley, 2018 |
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Wiley, 2018 |
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2018 |
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Journal of the American Ceramic Society |
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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 |
author_sort | li, xiaojuan |
container_issue | 2 |
container_start_page | 789 |
container_title | Journal of the American Ceramic Society |
container_volume | 101 |
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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imprint | Wiley, 2018 |
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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 |
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physical | 789-799 |
publishDate | 2018 |
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publisher | Wiley |
record_format | ai |
recordtype | ai |
series | Journal of the American Ceramic Society |
source_id | 49 |
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 |