Oxygen-Sensitive Resistivity of La_2CuO_4 at High Temperatures
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概要
- 論文の詳細を見る
The electrical resistivity of La_2CuO_4 at high temperatures was studied under various atmospheres. The temperature dependences of the resistivity under air and 1 atm O_2 gas showed hystereses in a wide temperature range around 300℃, which was related to the tetragonal-orthorhombic phase transition of the compound. The resistivity rapidly changed depending on oxygen pressure: the resistivities at 690℃ were 0.272 Ωcm and 0.70 Ωcm in O_2 and N_2 gases, respectively. This indicates that the resistivity is very sensitive to oxygen pressure and the compound can be used as an oxygen gas sensor.
- 社団法人応用物理学会の論文
- 1987-11-20
著者
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Shibata K
Institute For Materials Research Tohoku University:institute Of Industrial Science University Of Tok
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Shibata Kenji
Institute For Materials Research Tohoku University:institute Of Industrial Science University Of Tok
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NOZAKI Hiroshi
National Institute for Resarch in Inorganic Materials
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TANAKA Junzo
National Institute for Research in Inorganic Materials
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Tanaka Junzo
National Institute For Materials Science
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SHIBATA Kenji
National Institute for Researches in Inorganic Materials
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