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Citation: Lou Xiangdong, Yang Xiuqing, Li Jinghua, Shen Hesheng, Shen Yusheng. Preparation and Property of α-Fe₂O₃/SnO₂ Gas-sensing Film[J]. Chinese Journal of Applied Chemistry, ;1995, 12(1): 77-79. shu

Preparation and Property of α-Fe₂O₃/SnO₂ Gas-sensing Film

1.
1. Department of Chemistry, Henan Normal University, Xinxiang 453002;
2.
2. Departnient of Malerials Science and Engineering, University of Science andTechnology of China.Hefei

Received Date: 31 December 1993
Available Online: 16 May 1994
Fund Project:

The bilayer film consistetl ofα-Fe₂O₃ and SnO₂ was prepared by the sputtering method.The film showed a better sensitivity and selectivity than the individual layer alone.The effects of heat treatment conditions and thickness of the α-Fe₂O₃ layer on the gas-sensing property of the product have been studied.
- α-Fe₂O₃,
- SnO₂,
- bilayer film,
- gassensing property
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Preparation and Property of α-Fe₂O₃/SnO₂ Gas-sensing Film