| Studies on electrical properties and CO-sensing characteristics of La_（0.9） _（0.1）FeO_3 |
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| 引用本文： | 牟宗刚,张玲,李曦峰,胡季帆. Studies on electrical properties and CO-sensing characteristics of La_（0.9） _（0.1）FeO_3[J]. 中国稀土学报(英文版), 2011, 0(4): 374-377 |
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| 作者姓名： | 牟宗刚 张玲 李曦峰 胡季帆 |
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| 作者单位： | Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials;School of Chemistry and Chemical Engineering;University of Jinan;School of Resources and Evironment;State Key Laboratory for Crystal Materials and School of Physics and Microelectronics;Shandong University; |
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| 基金项目： | supported by Shandong Natural Science Foundation (ZR2010BL002); Foundation of Science and Technology of Shandong Education Department ( 2010J10LB04); the Foundation of Science and Technology of University of Jinan (2010XKY1010) |
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| 摘 要： | Semiconducting sensors offer an inexpensive and simple method for monitoring gases. Sensors based on the ABO3-type composite oxides materials have an advantage of high stability. The perovskite structures of these compounds are preserved, when an A-site deficiency of some perovskite structure compounds was formed. However, they exhibit particular physical properties. In this paper, La0.9 0.1FeO3 powder with an orthorhombic perovskite phase was prepared by sol-gel method. The electrical properties and CO-sensing characteristics of the La0.9 0.1FeO3 were also investigated. The results demonstrated that the La0.9 0.1FeO3 was a p-type semiconductor material. Compared with LaFeO3, the conductance of La0.9 0.1FeO3 was better than that of LaFeO3. The sensor based on La0.9 0.1FeO3 showed excellent CO gas-sensing characteristics.
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| 关 键 词： | La0.9□0.1FeO3 perovskite structure CO-sensing electrical properties rare earths |
Studies on electrical properties and CO-sensing characteristics of La_(0.9) _(0.1)FeO_3 |
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| MU Zonggang ZHANG Ling LI Xifeng HU Jifan. Studies on electrical properties and CO-sensing characteristics of La_(0.9) _(0.1)FeO_3[J]. Journal of Rare Earths, 2011, 0(4): 374-377 |
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| Authors: | MU Zonggang ZHANG Ling LI Xifeng HU Jifan |
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| Affiliation: | MU Zonggang ZHANG Ling LI Xifeng HU Jifan (1. Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials,School of Chemistry and Chemical Engineering,University of Jinan,Jinan 250022,China,2. School of Resources and Evironment,3. State Key Laboratory for Crystal Materials and School of Physics and Microelectronics,Shandong University,Jinan 250100,China) |
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| Abstract: | Semiconducting sensors offer an inexpensive and simple method for monitoring gases. Sensors based on the ABO3-type composite oxides materials have an advantage of high stability. The perovskite structures of these compounds are preserved, when an A-site deficiency of some perovskite structure compounds was formed. However, they exhibit particular physical properties. In this paper, La0.90.1FeO3 powder with an orthorhombic perovskite phase was prepared by sol-gel method. The electrical properties and CO-sens... |
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| Keywords: | La0.9□0.1FeO3 perovskite structure CO-sensing electrical properties rare earths |
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