Title: The Study of the Amperometric Oxygen Senor with a Thin Hole Based on La_(0.9)Sr_(0.1)Ga_(0.8)Mg_(0.2)O_(2.85)
Abstract: The La0.9Sr0.1Ga0.8Mg0.2O2.85 was used to make the amperometric oxygen sensor with a thin hole,which is solid oxygen ionic conductor in the intermediate temperate area.The diffused barrier and the oxygen pump layer were all made by using the thin film of this material.After that,the oxygen sensitive performance of the manufactured oxygen sensor was tested at 600 ℃ and 650 ℃.At these two temperature points,the tested data shown that there were good limiting current platforms when the oxygen concentration ranged from 0.1% to 3%,and the limiting currents exhibited a linear dependence on oxygen concentration.In addition,the response time was tested in 650 ℃ when the oxygen concentration changed between 0.5% and 3% back and forth.From the response time curves,it can be found that the up and down response times were all about 15 s
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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