title: Oxygen pump based on stabilized zirconia.
abstract: When a DC voltage is applied across a zirconia ceramic layer, an electrical field is established to drive oxygen species through the layer. Taking advantage of this electrochemical phenomenon, we have designed and developed an oxygen pump that offers continuously adjustable oxygen partial pressure from 1 bar down to 10(-24) bar in the temperature range of 650-1100 °C. Demonstrated with electrical conductivity measurements on Fe-doped SrTiO3, these excellent capabilities of the oxygen pump are valuable for investigations on the defect chemistry of electroceramics.
authors.affiliation: Laboratory of Solid State Ionics, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.
authors.forename: Xiao-Dong
authors.initials: XD
authors.lastname: Zhang
authors.affiliation: Laboratory of Solid State Ionics, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.
authors.forename: Jian-Jun
authors.initials: JJ
authors.lastname: Li
authors.affiliation: Laboratory of Solid State Ionics, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.
authors.forename: Xin
authors.initials: X
authors.lastname: Guo