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Enhancement of positive temperature coefficient resistance effect of BaTiO3-based semiconducting ceramics caused by B2O3 vapor dopants |
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| Authors: | Qi Jianquan Zhu Qing Wang Yongli Wu Yajing Li Longtu |
| Affiliation: | Department of Materials Science and Engineering, State Key Laboratory of Advanced Ceramics and Fine Processing, Tsinghua University, Beijing 100084 People's Republic of China |
| Abstract: | The positive temperature coefficient resistivity (PTCR) effect of semiconducting BaTiO3 ceramics can be remarkably influenced by both dopants and ceramic processing. The behavior of B2O3 as vapor dopants was studied in this paper. It was found that the PTCR effect was enhanced distinctly, while the room temperature resistance also increased. |
| Keywords: | BaTiO3 B2O3 Positive temperature coefficient resistivity Vapor dopant |
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