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ZnCr2O4-V2O5-Li2O-ZnO湿敏材料的感湿机理
THE HUMIDITY SENSING MECHANISM OF ZnCr2O4-V2O5-Li2O-ZnO HUMIDITY-SENSITIVE MATERIAL
【摘要】 测试了ZnCr2O4-V2O5-Li2O-ZnO材料的感湿特性,与水的导电特性进行比较,二者的电导值出现看似矛盾的结果。通过对电子电导和离子电导的分离测试,提出了该材料感湿状态下高电导的形成机理,从而解释了上述实验结果。
【Abstract】 The Humidity-Sensitive and conductive properties of ZnCr2O4-V2O5-Li2O -ZnO were tested. Contradictory result of ZnCr2O4-V2O5-Li2O-ZnO and H2O’s conductance value showed up when the conductive properties of these two substances were compared. The Humidity -Sensitive principle of ZnCr2O4-V2O5-Li2O -ZnO under moist state that could explain the contradiction was raised according to the separate tests of the Electronic conductance and Ionic conductance.
【关键词】 湿敏材料;
本体电导;
电子电导;
离子电导;
【Key words】 humidity-sensitive material; self-conductance; electronic conductance; Ionic conductance;
【Key words】 humidity-sensitive material; self-conductance; electronic conductance; Ionic conductance;
- 【文献出处】 陶瓷学报 ,Journal of Ceramics , 编辑部邮箱 ,2008年03期
- 【分类号】TB34
- 【被引频次】4
- 【下载频次】124