Co-doping effects of (Al, Ti, Mg) on the microstructure and electrical behavior of ZnO-based ceramics
文献类型：期刊论文
| 作者 | Sun, QY; Li, GR; Tian, T; Zeng, JT; Zhao, KY; Zheng, LY; Barre, M; Dittmer, J; Gouttenoire, F; Rousseau, A |
| 刊名 | JOURNAL OF THE AMERICAN CERAMIC SOCIETY
 |
| 出版日期 | 2020-03-01 |
| 期号 | 5页码:3194 |
| ISSN号 | 0002-7820 |
| DOI | 10.1111/jace.16999 |
| 文献子类 | Article |
| 英文摘要 | Co-doped ZnO-based ceramics using Al, Ti, and Mg ions in different ratios were synthesized with the objective to investigate the doping effects on the crystalline features, microstructure and the electrical behavior. For Al and Ti doping, a coexistence of crystalline phases was shown with a major wurtzite ZnO structure and secondary spinel phases (ZnAl2O4, Zn2TiO4, or ZnaTibAlcOd), while Mg doping did not alter significantly the structural features of the wurtzite ZnO phase. The electrical behavior induced by Al, Ti, and Mg co-doping in different ratios was investigated using Raman, electron paramagnetic resonance (EPR) and Al-27 and Zn-67 solid-state nuclear magnetic resonance (NMR). Al doping induces a high electrical conductivity compared to other doping elements. In particular, shallow donors from Zn-i-Al-Zn defect structures are inferred from the characteristic NMR signal at about 185 ppm; that is, quite far from the usual oxygen coordinated Al. The Knight shift effect emanating from a highly conducting Al-doped ZnO ceramics was considered as the origin of this observation. Oppositely, as Ti doping leads to the formation of secondary spinel phases, EPR analysis shows a high concentration of Ti3+ ions which limit the electrical conductivity. The correlation between the structural features at the local order, the involved defects and the electrical behavior as function of the doping process are discussed. |
| WOS关键词 | TEMPERATURE THERMOELECTRIC PROPERTIES ; DOPED-ZNO ; PARAMAGNETIC-RESONANCE ; POWER-FACTOR ; PHOTOLUMINESCENCE ; CONDUCTIVITY ; ALUMINUM ; DEFECTS ; AL-27 ; ORDER |
| WOS研究方向 | Materials Science |
| 语种 | 英语 |
| 出版者 | WILEY |
| 源URL | [http://ir.sic.ac.cn/handle/331005/28367]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 推荐引用方式 GB/T 7714 | Sun, QY,Li, GR,Tian, T,et al. Co-doping effects of (Al, Ti, Mg) on the microstructure and electrical behavior of ZnO-based ceramics[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2020(5):3194. |
| APA | Sun, QY.,Li, GR.,Tian, T.,Zeng, JT.,Zhao, KY.,...&Kassiba, AH.(2020).Co-doping effects of (Al, Ti, Mg) on the microstructure and electrical behavior of ZnO-based ceramics.JOURNAL OF THE AMERICAN CERAMIC SOCIETY(5),3194. |
| MLA | Sun, QY,et al."Co-doping effects of (Al, Ti, Mg) on the microstructure and electrical behavior of ZnO-based ceramics".JOURNAL OF THE AMERICAN CERAMIC SOCIETY .5(2020):3194. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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