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V-P-Fe系临界温度电阻的组份比分析

Analysis of component proportion of critical temperature resistor of V-P-Fe system

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【Author】 SUN Jian~1,GAN Chao-qin~2,LIU Yin~3,WU Zong-han~2(1.Coll of Elct and Automation Engin,Nanjing Normal University,Nanjing 210042,China;2.Dept of Phys,Southeast University,Nanjing 210096,China;3.Jiangsu Xingshun Electronics Device Ltd,Xinghua 225700,China)

【机构】南京师范大学电气与自动化工程学院；东南大学物理系；江苏兴顺电子元件厂；东南大学物理系江苏南京210042；江苏南京210096；江苏兴化225700；

【摘要】分析了临界温度电阻(CTR)各组份所起的作用,研究了3种样品的测量结果对应的电阻温度特性曲线,比较其不同组份的导电特性,得出在制作CTR时较为合适的各组份之比例V2O5∶P2O5∶Fe2O3=3∶1∶1和各组份相互牵制相互影响的关系:P2O5的量影响VO2微晶的稳定,也会影响Fe2O3的变价和电子的传导;在T>TC时,Fe2O3的量影响VO2导体性能,在T<TC时,影响CTR的平均导电性能。更多还原

【Abstract】 After analyzing a part plaied by each components of critical temperature resistor（CTR）,studying corresponding resistauce-temperature characteristic curve of the measurement results of three samples,and comparing electric conduction characteristic of different parts,the appropriate proportion has been known,that is,when CTR is manufactured,V₂O₅∶P₂O₅∶Fe₂O₃=3∶1∶1.The relationship of each part of components when they’re interacting is also been known.The quantity of P₂O₅ affects the stability of VO₂ crystallite and also affects the valence of Fe₂O₃,and it’s electronic conduction.The quantity of Fe₂O₃ affects the conductor performance of VO₂ when T>T_C,and it affects the average electric conductivity of the CTR when T<T_C.更多还原

【关键词】临界温度电阻；临界特性；阻温特性；
【Key words】 critical temperature resistor(CTR)； critical characteristic； resistance-temperature characteristic；

【基金】江苏省高校自然科学基金资助项目(02KJD510011)

【文献出处】传感器与微系统 ,Transducer and Microsystem Technologies , 编辑部邮箱 ,2006年01期

【分类号】TM54
【被引频次】2
【下载频次】100

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